[Bug 81644] New: Random crashes on RadeonSI with Chromium.

[Bug 81644] New: Random crashes on RadeonSI with Chromium.

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

          Priority: medium
            Bug ID: 81644
          Assignee: dri-devel@lists.freedesktop.org
           Summary: Random crashes on RadeonSI with Chromium.
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: aaronbottegal@gmail.com
          Hardware: Other
            Status: NEW
           Version: git
         Component: Drivers/Gallium/radeonsi
           Product: Mesa

Chromium randomly crashes with RadeonSI driver when using Chromium. Most
usually with Youtube videos. Everything is current git from Oibaf PPA using
Mint 17 Cinnamon, although I'm about to move to Arch Linux so I don't know how
long I'll be able to provide logs as the problem doesn't exist in Arch's
currents AFAIK. But there are logs in Bug #77980 from my crash, which was close
sounding, but apparently a different bug.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

Aaron B <aaronbottegal@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Hardware|Other                       |x86-64 (AMD64)
           Priority|medium                      |high

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[Bug 81644] Random crashes on RadeonSI with Chromium.

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #1 from Michel Dänzer <michel@daenzer.net> ---
(In reply to comment #1)
> Everything is current git from Oibaf PPA using Mint 17 Cinnamon, although I'm
> about to move to Arch Linux so I don't know how long I'll be able to provide
> logs as

Better attach them here ASAP then. :) Xorg.0.log, dmesg and glxinfo.

> the problem doesn't exist in Arch's currents AFAIK.

What version of Mesa does that use?

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[Bug 81644] Random crashes on RadeonSI with Chromium.

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #2 from Aaron B <aaronbottegal@gmail.com> ---
Created attachment 103414
  --> https://bugs.freedesktop.org/attachment.cgi?id=103414&action=edit
DMesg

I have moved to Arch. Bug just happened and is in these logs. I'm currently on
Mesa-git. And the bug not being present isn't solid. My friend told me it
didn't happen, and has the same tower. But he didn't stay on it long enough to
happen so I'm going to take that back for now. I don't remember this bug in
Mesa from around January, but yet my card was unusable in January. So I'd ping
it to somewhere around 2-5 months old tbh. But yes, Chromium has this problem
on arch, and I switched not only OS's but DE's so it's not a Cinnamon problem.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #3 from Aaron B <aaronbottegal@gmail.com> ---
Created attachment 103415
  --> https://bugs.freedesktop.org/attachment.cgi?id=103415&action=edit
GLXInfo

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[Bug 81644] Random crashes on RadeonSI with Chromium.

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #4 from Aaron B <aaronbottegal@gmail.com> ---
Created attachment 103416
  --> https://bugs.freedesktop.org/attachment.cgi?id=103416&action=edit
XOrg log, with crash+recover.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #5 from Aaron B <aaronbottegal@gmail.com> ---
Created attachment 103417
  --> https://bugs.freedesktop.org/attachment.cgi?id=103417&action=edit
Hardware report.

Important hardware:

R9 270X - 2GB GDDR5 - ASUS.
FX-8350 - AMD.
M5A99FX PRO 2.0 - ASUS.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #6 from Aaron B <aaronbottegal@gmail.com> ---
Created attachment 103455
  --> https://bugs.freedesktop.org/attachment.cgi?id=103455&action=edit
Xorg crash, no recover.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #7 from Aaron B <aaronbottegal@gmail.com> ---
Created attachment 103504
  --> https://bugs.freedesktop.org/attachment.cgi?id=103504&action=edit
Crash+recover

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[Bug 81644] Random crashes on RadeonSI with Chromium.

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #8 from Aaron B <aaronbottegal@gmail.com> ---
Created attachment 103505
  --> https://bugs.freedesktop.org/attachment.cgi?id=103505&action=edit
DMesg of crash+recover.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

Aaron B <aaronbottegal@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #103504|0                           |1
        is obsolete|                            |

--- Comment #9 from Aaron B <aaronbottegal@gmail.com> ---
Created attachment 103522
  --> https://bugs.freedesktop.org/attachment.cgi?id=103522&action=edit
Two crashes+recovers. Xorg.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

Aaron B <aaronbottegal@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #103505|0                           |1
        is obsolete|                            |

--- Comment #10 from Aaron B <aaronbottegal@gmail.com> ---
Created attachment 103523
  --> https://bugs.freedesktop.org/attachment.cgi?id=103523&action=edit
Two crashes+recovers. Dmesg.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #11 from Aaron B <aaronbottegal@gmail.com> ---
(In reply to comment #1)
> (In reply to comment #1)
> > Everything is current git from Oibaf PPA using Mint 17 Cinnamon, although I'm
> > about to move to Arch Linux so I don't know how long I'll be able to provide
> > logs as
> 
> Better attach them here ASAP then. :) Xorg.0.log, dmesg and glxinfo.
> 
> > the problem doesn't exist in Arch's currents AFAIK.
> 
> What version of Mesa does that use?

I'm guessing as of this patch this can be closed?
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2062afb4f804afef61cbe62a30cac9a46e58e067

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #12 from Michel Dänzer <michel@daenzer.net> ---
(In reply to comment #11)
> I'm guessing as of this patch this can be closed?
> http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/
> ?id=2062afb4f804afef61cbe62a30cac9a46e58e067

No, that's unrelated.

BTW, the backtraces in Xorg log files aren't useful for diagnosing this kind of
problem, so there's no point in attaching more Xorg log files just for that.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #13 from Michel Dänzer <michel@daenzer.net> ---
(In reply to comment #6)
> Chromium randomly crashes with RadeonSI driver when using Chromium. Most
> usually with Youtube videos.

Using Flash or HTML5 video? Fullscreen or windowed? ...

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #14 from Aaron B <aaronbottegal@gmail.com> ---
(In reply to comment #13)
> (In reply to comment #6)
> > Chromium randomly crashes with RadeonSI driver when using Chromium. Most
> > usually with Youtube videos.
> 
> Using Flash or HTML5 video? Fullscreen or windowed? ...

I use HTML5 video. But it's a Chromium issue in general, flash video just helps
it happen faster. It also happens a lot when switching tabs, clicking on
content that adds a new element on the page over top of everything else, or
loading more objects. Good examples are opening the comments section on Yahoo,
and the mousing over of names on facebook. Think it'd be useful to try to
attach a gdb session to Chromium? In the dmesg log, every time the problem
happens, Chromium does receive a segfault.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #15 from Michel Dänzer <michel@daenzer.net> ---
(In reply to comment #14)
> I use HTML5 video. But it's a Chromium issue in general, flash video just
> helps it happen faster.

Is it HTML5 or Flash now? :)


> Think it'd be useful to try to attach a gdb session to Chromium? In the dmesg
> log, every time the problem happens, Chromium does receive a segfault.

Yes, backtraces of those crashes might be interesting.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #16 from Aaron B <aaronbottegal@gmail.com> ---
(In reply to comment #15)
> (In reply to comment #14)
> > I use HTML5 video. But it's a Chromium issue in general, flash video just
> > helps it happen faster.
> 
> Is it HTML5 or Flash now? :)
> 
> 
> > Think it'd be useful to try to attach a gdb session to Chromium? In the dmesg
> > log, every time the problem happens, Chromium does receive a segfault.
> 
> Yes, backtraces of those crashes might be interesting.

Whoops, I meant the video playing in HTML5 made the glitch happen worse. But
it's video in general, Flash video on other sites does crash it too. And okay,
if I can get it working I'll hopefully have a good log to show sooner or later.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #17 from Aaron B <aaronbottegal@gmail.com> ---
I just got a crash while trying to get some debugging output...but all Chromium
would output, and it was just through the terminal, was "GPU process stalled
after 10000ms." and that was basically all the information I got from it. I'll
try again tomorrow, maybe try valgrind or some different CL arguments this time
around. We'll see. Now it's time for sleep, though.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #18 from jackdachef@gmail.com ---
so I got a different bug or could this be the same ?

running on drm-next-3.17-rebased-on-fixes

only doing some surfing via current opera-developer
(https://bugs.gentoo.org/show_bug.cgi?id=514696)

flash plugin was not working (tested via surfing over to speedtest.net)

switched a few times between KDE4, fluxbox, xfce4 and razor-qt

window managers were compiz-fusion (0.8.8/0.8.6), kwin with opengl compositing
(opengl 1.2, 2.0, 3.1 testing)


programs used:

- gnote, tomboy
- opera-developer
- firefox (flash rendered unusable by uninstalling vdpau, no data via env
VDPAU_TRACE=1 firefox), noscript, adblock
(these were all if I remember correctly)


first hardlock (no Magic SYSRQ Key recovery possible) was during playing around
and switching between Themes in Opera Developer (version 24)


second hardlock was during simply reading a few notes in gnote and surfing via
firefox (version 31)

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #19 from Aaron B <aaronbottegal@gmail.com> ---
It sounds like the same bug, but I'm not 1000% sure. But I had a few crashes in
Chromium, the only out of place log message is:

ATTENTION: default value of option force_s3tc_enable overridden by environment.
[8923:8923:0731/125646:ERROR:sandbox_linux.cc(302)] InitializeSandbox() called
with multiple threads in process gpu-process

Not what to make of it, but it's something more.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #20 from Aaron B <aaronbottegal@gmail.com> ---
[7925:7960:0731/125644:ERROR:gpu_watchdog_thread.cc(253)] The GPU process hung.
Terminating after 10000 ms.
[7894:7894:0731/125644:ERROR:gpu_process_transport_factory.cc(347)] Lost UI
shared context.

Here also is the message about the process hanging, it was in the log too,
missed it at first.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #21 from Aaron B <aaronbottegal@gmail.com> ---
I'm getting the glitch a lot more, but trying to remember what sets it off
most:

1. Youtube. Often, but not as often as #2.

2. Clicking on an element that brings up another element onto the page,
basically over it with a higher z-index, like I said facebook does this a LOT.

3. Adding elements to the page at all can also trigger this bug. Like loading
ANY comments, from disqus to yahoo, they all have triggered it.

4. Slideshows where the objects slide against each other, like in PCWorld
slideshows, just had a crash there.

All of these have in common is moving pixels, but also adding pixels to the
screen. Is there special code for that, those dirty rectangles being glitchy or
something? I have, well, only bare minimal knowledge of how these drivers work
from looking at lots of Git commits, but I bet that is a pretty good clue to
people who know what they're looking at with what could be wrong. :)

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #22 from Aaron B <aaronbottegal@gmail.com> ---
Just had a horrible chance I dropped the ball on ,it killed the server and
outputs couldn't even be reached on my card. I restarted LightDM to only have
it fail and lose the log of the crash, but Steam was failing to start any games
also, even starting steam took a few tries. I'm trying to reproduce. The only
error I got out of I screwed up the log files was "Active IB in BO." or
something of that nature, and it was printed in the tty2 terminal when lightdm
died. That's all I could scroung out of it, but I'm trying to reproduce now,
that error could provide all the information needed if I could have gotten the
logs from it.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #23 from jackdachef@gmail.com ---
@Aaron:

try reading into Magic SYSRQ key: http://en.wikipedia.org/wiki/Magic_SysRq_key



next time when X seems to freeze - first do a Magic SYSRQ + R, then try to
imitate a "secure attention key" 
== Magic SYSRQ + k

whether that unlocks it


or if X doesn't show any change anymore but the system still seems to be alive:

Magic SYSRQ Key + r

then Magic SYSRQ Key + w
(what tasks or kernel threads, etc. is stuck)

then the rest of "REISUB" (Magic SYSRQ Key + e, i, s, u, b)


after the next start you can look through the contents of the kernel messages
in

/var/log/kern.log

via


tail -n 3500 /var/log/kern.log | less

(keyboard cursor up & down, quit via "q")


if the messages are too much 

try via


tail -n 7500 /var/log/kern.log | less

or higher


sudo may be needed, if not using root privileges

logging may be disabled, so it first might have to be enabled 


hope this helps ...

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[Bug 81644] Random crashes on RadeonSI with Chromium.

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 1185 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #24 from Aaron B <aaronbottegal@gmail.com> ---
Created attachment 103786
  --> https://bugs.freedesktop.org/attachment.cgi?id=103786&action=edit
DMesg of multile flash crashes.

I don't think it'll help much, it's more of the same from a dmesg, but this
crash was like the other I experienced, pooped me out to a command prompt after
some time. It stalled on some new rings other than 0, which is "nice" I guess.

But this was caused by Chromium, just refreshing a page or switching tabs, one
of those. When it happened, Counter Strike Source was murdered, so it affected
it too in some way. But, my steam log shows nothing with the output directed to
it. I guess it shut down too quick to flush anything to it. I don't really know
what else to do, I've been reading up the posts from Agd5f (Drazner?) posts and
I mean, I'm a programmer and do lots of assembly and it makes sense. I just
don't know where to start debugging such a lower level kernel problem. I
believe it's out of my realm too much so to try anything else besides post
logs. :/

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[Bug 81644] Random crashes on RadeonSI with Chromium.

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 1234 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #25 from jackdachef@gmail.com ---
Created attachment 103839
  --> https://bugs.freedesktop.org/attachment.cgi?id=103839&action=edit
X turning black & crash (30 minutes of HTML5 video on youtube, movie trailers),
no successful recovery, recovery with Magic SYSRQ + k

not sure if to post it here or bug #79980

watched movie trailers with chromium (adobe flash player explicitly turned
off), after approx. 30 minutes on another trailer (mostly 1080p, 720p) the
screen stalled and turned black,

seemingly couldn't recover on its own, sound kept on continuing, so figured
that Magic SYSRQ + k could be successful and it was


originally wanted to post the bug info from within chromium but during attempt
to surf over to bugs.freedesktop.org the screen turned black again and
successfully recovered with a little help of Magic SYSRQ + k (so the trend
seems to be that it's getting better but we're not quite there yet) ...

will post full dmesg with info *after* 2nd crash here, too

more looks like it's related to #79980 than being a separate bug (currently
posing this from within firefox 31)

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[Bug 81644] Random crashes on RadeonSI with Chromium.

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 1138 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #26 from jackdachef@gmail.com ---
Created attachment 103841
  --> https://bugs.freedesktop.org/attachment.cgi?id=103841&action=edit
full dmesg output with the 2 crashes included (Magic SYSRQ + k), reiserfs is
/boot (storing the info there)

summary: 1st crash happened within fluxbox + chromium (html5 video) on youtube,
movie trailers



right after Magic SYSRQ + k, xdm (slim) came up again

erroneously got into Xfce4 + compiz-fusion,



then exited and got into fluxbox + chromium again

here the 

2nd crash happened during attempt to open up/loading of bugs.freedesktop.org
(via chromium)



now posting this information from fluxbox + firefox 31 (compiled on this
system) still on the running system (no system reboot !) - so gpu state got
more stable than previous drm-next-3.17-rebased-on-fixes


dmesg output seems to suggest that it's still related & an issue introduced
with the recent GPUVM changes


hope this information is valuable and helps in tracking down where the problem
lies

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[Bug 81644] Random crashes on RadeonSI with Chromium.

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 1394 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #27 from jackdachef@gmail.com ---
Created attachment 103843
  --> https://bugs.freedesktop.org/attachment.cgi?id=103843&action=edit
Xorg.0.log, after several crashes X can't be opened/used anymore, device seems
unavailable

not sure if to post this here or in #79980, 

but when continuing usage after the gpu gets unstable with chromium-usage (so
using chromium in browsing in complex sites; chromium with adobe flash player
[youtube !]; chromium with HTML5 video [youtube] - seems to mostly accelerate &
more easily trigger the common issue with #79980 ?)

the following end-result is visible in the attached Xorg.0.log, the gpu isn't
accessible anymore and a system reboot is necessary


usage-pattern was following:

- firefox - browsing the web, viewing wallpapers, gmail, google plus
- gnote - writing notes
- switching between firefox and gnote

desktop environment used was Xfce4 + compiz-fusion; past experience has shown
that it doesn't matter whether composited or not (fluxbox, xfce4+compiz-fusion,
kde4+kwin, razor-qt + kwin); so no difference since opengl or webgl
acceleration is used anyway


(opengl); webgl might be something further to investigate - 

the "issue" is, however that all of this works in 99%-100% with 3.14 kernel for
me

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[Bug 81644] Random crashes on RadeonSI with Chromium.

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 374 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #28 from jackdachef@gmail.com ---
Created attachment 103844
  --> https://bugs.freedesktop.org/attachment.cgi?id=103844&action=edit
full dmesg output with all the crashes included, X (via xdm/slim or startx)
can't be launched anymore

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[Bug 81644] Random crashes on RadeonSI with Chromium.

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 1152 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #29 from jackdachef@gmail.com ---
using the new firmware
(http://people.freedesktop.org/~agd5f/radeon_ucode/ucode.tar.gz) didn't seem to
make a change in stability:


starting in fluxbox
+ firefox
+ gnote


watching videos on youtube (adobe flash player) for several minutes, writing
some notes in gnote, exiting; gmail, google+

starting in Xfce4+ compiz-fusion, exiting


starting in fluxbox
+ firefox
+ gnote


browsing, watching wallpapers, gmail, google+


text corruption, especially in gmail & google search results occured with:

radeon 0000:01:00.0: Packet0 not allowed!


couldn't pinpoint what triggered it, several occurences in dmesg



starting up chromium, browsing youtube (adobe flash explicitly disabled),
wanted to watch a video (HTML5 video), screen doesn't react anymore, turns
black

gpu/screen turns black, hardlock


will attach dmesg later, no suspicious content besides

radeon 0000:01:00.0: Packet0 not allowed!


any useful data in connection with chromium -> hardlock, all data lost

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[Bug 81644] Random crashes on RadeonSI with Chromium.

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 507 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #30 from jackdachef@gmail.com ---
@Aaron:

you tried running Chromium without hardware acceleration ? just booted up
latest drm-next-3.17-rebased-on-fixes with newest firmware/ucode & running
chromium



@Michel:

would it help to run chromium without hardware acceleration to get some
meaningful information ?

I'm slowly running out of ideas on what else to try :/

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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[-- Attachment #1.1: Type: text/plain, Size: 326 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #31 from jackdachef@gmail.com ---
related:

https://bugs.freedesktop.org/show_bug.cgi?id=39469

https://bugzilla.kernel.org/show_bug.cgi?id=38792

?

so it's more of a userspace issue ?

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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[-- Attachment #1.1: Type: text/plain, Size: 646 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #32 from jackdachef@gmail.com ---
with hardware acceleration disabled no crashes, lockups, etc. within 4-4.5
hours,

now running chromium with

R600_LLVM=0 R600_DEBUG=sb,sbsafemath,nollvm chromium-browser

== LLVM is disabled


and watching HTML5 videos,



did a little search through bugs.freedesktop.org:

radeonsi isn't the only chipset family affected: intel cards hd2000, hd3000,
hd4000; gm45, gm965, i915 (sandybridge, ivybridge, haswell, etc.), or other
radeons are also affected in different ways

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[Bug 81644] Random crashes on RadeonSI with Chromium.

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 503 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #33 from jackdachef@gmail.com ---
Created attachment 103895
  --> https://bugs.freedesktop.org/attachment.cgi?id=103895&action=edit
dmesg: X crashing while playing HTML5 video movie trailers on youtube, LLVM
disabled, sb backend

so it at least doesn't seem to be caused by LLVM and/or vdpau,

must be something else in combination with the hardware acceleration

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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[-- Attachment #1.1: Type: text/plain, Size: 526 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #34 from jackdachef@gmail.com ---
(In reply to comment #33)
> Created attachment 103895 [details]
> dmesg: X crashing while playing HTML5 video movie trailers on youtube, LLVM
> disabled, sb backend
> 
> so it at least doesn't seem to be caused by LLVM and/or vdpau,
> 
> must be something else in combination with the hardware acceleration

this was with hardware acceleration enabled

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[Bug 81644] Random crashes on RadeonSI with Chromium.

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 694 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #35 from Aaron B <aaronbottegal@gmail.com> ---
Created attachment 103896
  --> https://bugs.freedesktop.org/attachment.cgi?id=103896&action=edit
Steam crash because of Chromium crash.

This is a log of steam trying to play CSS with Chromium open, which crashed, so
we got a good and new log. Shows the VM dies.

Also, in dmesg got a new error among the GPU resets attempts:

[63446.944129] radeon 0000:01:00.0: still active bo inside vm

This was after a crash that failed to recover and dropped to a TTY screen. Not
much, but it's something new for me.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 1561 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #36 from jackdachef@gmail.com ---
Google Chrome 38 disabled lots of stuff (about:gpu) :

Graphics Feature Status
Canvas: Software only. Hardware acceleration disabled
Flash: Hardware accelerated
Flash Stage3D: Software only, hardware acceleration unavailable
Flash Stage3D Baseline profile: Software only, hardware acceleration
unavailable
Compositing: Hardware accelerated
Rasterization: Software only, hardware acceleration unavailable
Threaded Rasterization: Enabled
Video Decode: Software only, hardware acceleration unavailable
Video Encode: Hardware accelerated
WebGL: Hardware accelerated


had some features explicitly disabled via about:flags:

enable-zero-copy: off
enable-one-copy: off
accelerated overflow scroll: off
disable accelerated 2D Canvas (disabled anyway)
Composite fixed position elements: off
Composite RenderLayers with transitions: off
Composite fixed root backgrounds: off


hardlock occured with this running on razor-qt with kwin + opengl compositing

after 25 minutes of movie trailers watching in youtube (forgot to explicitely
disable adobe-flash, 1 flash video, the others were HTML5 video)

so unfortunately no log


will now try with hardware acceleration disabled & flash player enabled


as mentioned in bug #79980 there, however, also was a crash with firefox
browsing on composited Xfce (compiz-fusion) with hardware acceleration disabled


there could be a common issue ... or not

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[Bug 81644] Random crashes on RadeonSI with Chromium.

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 269 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #37 from Aaron B <aaronbottegal@gmail.com> ---
VLC also, rarely, has the crashing problem with simple video output
acceleration.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 649 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #38 from Michel Dänzer <michel@daenzer.net> ---
(In reply to comment #32)
> R600_DEBUG=sb,sbsafemath,nollvm chromium-browser

Those debugging options only have an effect with the r600g driver, not with
radeonsi.


> radeonsi isn't the only chipset family affected: intel cards hd2000, hd3000,
> hd4000; gm45, gm965, i915 (sandybridge, ivybridge, haswell, etc.), or other
> radeons are also affected in different ways

r600g issues might be related, but most definitely not Intel GPU ones.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 972 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #39 from jackdachef@gmail.com ---
(In reply to comment #38)
> (In reply to comment #32)
> > R600_DEBUG=sb,sbsafemath,nollvm chromium-browser
> 
> Those debugging options only have an effect with the r600g driver, not with
> radeonsi.
> 

are the other ways to temporarily disable LLVM for debugging in radeonsi ?

gentoo ebuilds force users to compile mesa & radeonsi with llvm - so that
seemingly is the only way of operation with these kind of chipsets/cards ?


> 
> > radeonsi isn't the only chipset family affected: intel cards hd2000, hd3000,
> > hd4000; gm45, gm965, i915 (sandybridge, ivybridge, haswell, etc.), or other
> > radeons are also affected in different ways
> 
> r600g issues might be related, but most definitely not Intel GPU ones.

so things are implemented *that* differently between intel & radeon drivers ?

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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[-- Attachment #1.1: Type: text/plain, Size: 322 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #40 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #39)
> 
> are the other ways to temporarily disable LLVM for debugging in radeonsi ?

llvm is required for radeonsi.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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[-- Attachment #1.1: Type: text/plain, Size: 2722 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #41 from jackdachef@gmail.com ---
Created attachment 104076
  --> https://bugs.freedesktop.org/attachment.cgi?id=104076&action=edit
dmesg-output after 25 minute hardware-accelerated html5 video crash, no
hardlock this time (Magic SYSRQ works), screen corruption (screen subdivided
horizontally into ~18 parts)

kernel running with drm-next-3.17-rebased-on-fixes applied on top of 3.16-rc6

latest commit:
author    Christian König <christian.koenig@amd.com>    2014-07-28 11:30:12
(GMT)
committer    Alex Deucher <alexander.deucher@amd.com>    2014-08-04 21:45:53
(GMT)
commit    fa783807977da98da35590fd1d5efdfd4f33fd59 (patch)
tree    0f1573ae770843228930a0f278a82eb5d482a4c5
parent    5fc6854683aad9ae8b711cbe0d824c11b4aad66c (diff)
drm/radeon: allow userptr write access under certain conditions



several hours of pushing and trying to get X/system lockup with firefox
(hardware acceleration enabled) and watching & opening up large jpg images -
showed that at least that issue was resolved (Bug #81612 )


Then now proceeded to re-test HTML5 video with hardware acceleration (hardware
acceleration disabled was seemingly stable so far)

the funny thing: each of the last 3 test attempts after pretty much exactly 25
minutes it tends to lock up X


reproducer: chromium 38.0.2107.3 (previous versions should also work), but this
one has more options disabled which should rule out other crash/instability
triggers,

youtube.com ,
keywords: movie trailers 2014

watching random movie trailers with preferrably 1080p (some only available in
720p)


result: screen content locks up, mouse still movable for a short time & sound
continuing, the screen turning black - (box locking up/hardlock - this time
*not*) - this time: (in total 2) attempts to salvage via Magic SYSRQ + k

screen flickers, another Magic SYSRQ + k

screen turns on again, mentioned screen corruption (screen subdivided
horizontally into ~18 parts) with mostly white and green color in the shape of
tiles

took a photo, if needed


so we got a *clear* improvement: the box does *not* hardlock anymore, Magic
SYSRQ key works again and screen attempts to recover with Magic SYSRQ + k,

but it's not successful yet


hope the information of dmesg helps with further adding some ideas on how to
solve this


added the following patchset (patches 2-7) on top of that kernel
https://lkml.org/lkml/2014/8/3/120 ([PATCH 0/7] locking/rwsem: enable reader
opt-spinning & writer respin ), not sure if that might increase stability


Cheers

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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[-- Attachment #1.1: Type: text/plain, Size: 397 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #42 from Aaron B <aaronbottegal@gmail.com> ---
I've been able to get lucky and not get a hard lock most of the time. You HAVE
to wait 10 seconds for the drm to reset the GPU. The patch didn't improve or
change anything, I've seen those results for a while.

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--- Comment #43 from jackdachef@gmail.com ---
(In reply to comment #42)
> I've been able to get lucky and not get a hard lock most of the time. You
> HAVE to wait 10 seconds for the drm to reset the GPU. The patch didn't
> improve or change anything, I've seen those results for a while.

any special commands you append to the radeon driver ? defaults (no special
settings) ?

is it compiled into the kernel ? initramfs ?


thanks, will wait next time for 10+ seconds and crossing fingers

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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--- Comment #44 from Maciej <gutigen@outlook.com> ---
Testing Oibaf repo with kernel 3.16 under Ubuntu Gnome 14.04 - no issues after
few hours using Chrome Beta (even tried with #ignore-gpu-blacklist flag). At
least on my machine (7770) this issue looks to be Ubuntu 14.04 only.

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--- Comment #45 from Aaron B <aaronbottegal@gmail.com> ---
I'm on Arch, from Mint, and have the issue on both. If you still don't have a
crash for a while, lets start comparing chrome/DE settings. I'm on an R9 270X,
which is a 7850 reclocked AFAIK.

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--- Comment #46 from Michel Dänzer <michel@daenzer.net> ---
(In reply to comment #43)
> any special commands you append to the radeon driver ?

If you're still using radeon.hard_reset=1, you might try dropping that.

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--- Comment #47 from arnej <ajanbu@gmx.de> ---
Created attachment 104430
  --> https://bugs.freedesktop.org/attachment.cgi?id=104430&action=edit
dmesg

I also have these problems. I attached my dmesg.

Until now (mesa 10.2.5), my system always hung completely and I had to reboot.
Now I'm using mesa git and the screen goes blank, sound continues from the
youtube video, and after about 10 seconds the screen is back and usable again.

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--- Comment #48 from Aaron B <aaronbottegal@gmail.com> ---
One way to trigger the bug pretty darn often is to run chromium for a while,
then start an opengl game. I start TF2 and very, very often get a complete
crash. The game usually closes, the browser stays open, though, if it recovers.
Does that help any to know we can trigger it pretty often like that?

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--- Comment #49 from TheLetterN <bugzilla.20.kamdrimar@spamgourmet.com> ---
I may have found a way to reliably trigger this bug. However, this is based on
the assumption that this bug is also in Drivers/Gallium/r600 (Arch with mesa
version 10.2.5-1) which is what I'm using on my sysem with a Radeon HD 5870.
I'm posting here because the symptoms and error messages are exactly the same,
and it looks like this bug is present in multiple mesa drivers, and I couldn't
find a relevant bug posting in /Drivers/Gallium/r600.

So if anyone is willing to test it, I've found that using certain abilities in
Tales of Maj'Eyal 64-bit Linux ( http://te4.org/ ) triggers the GPU lockup.
Specifically, using the ability "Death Dance" will trigger it, and I believe
something being called by the spinningwinds.lua and spinningwinds.frag scripts
within
t-engine4-linux64-1.2.3/game/modules/tome-1.2.2-gfx.team//data/gfx/shaders/ is
causing it.

Unfortunately you'd have to make a berserker character and get to level 8 and
28 strength to unlock "Death Dance", so I've uploaded a gzipped save file you
can extract and put in ~/.t-engine/4.0/tome/save/ That should work for testing
if it triggers the GPU lock.

http://s000.tinyupload.com/index.php?file_id=67207270324448074311

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--- Comment #50 from Michel Dänzer <michel@daenzer.net> ---
(In reply to comment #49)
> I may have found a way to reliably trigger this bug. [...]

Please file your own report. In the unlikely case that it is indeed the same
bug as this report is about, it'll be easy to merge the reports.

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--- Comment #51 from Maciej <gutigen@outlook.com> ---
Any news? Mesa from 10.2 and up is still unusable on 7770.

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--- Comment #52 from Aaron B <aaronbottegal@gmail.com> ---
Nope, still having daily crashes with Chromium and VLC. Although I haven't been
able to build mesa 32 or 64 in a week because git always hangs at 99 damn
percent.

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--- Comment #53 from Maciej <gutigen@outlook.com> ---
I upgraded xserver from 1.15 to 1.16 today and it looks like issue is gone. I
even tried to reproduce the bug by running multiple flash instances and it
didn't hang. Can anyone confirm that this bug doesn't occur on 1.16?

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--- Comment #54 from Aaron B <aaronbottegal@gmail.com> ---
I'm on 3.16 and have been for a while, it definitely is still in there.

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--- Comment #55 from Aaron B <aaronbottegal@gmail.com> ---
1.16* Whoops, not talking the kernel.

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--- Comment #56 from Clément Guérin <geecko.dev@free.fr> ---
I had this bug because I forced hw acceleration ON in Chromium (about:flags).
Now that everything is set as default it's stable as rock. No crash in two
days, before that it was more like 5-6 crashes a day.

Arch Linux with latest mesa-git/llvm-svn, Linux 3.16. HD 7950

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--- Comment #57 from Maciej <gutigen@outlook.com> ---
Well, after a day the bug is back, so xserver update didn't help.
@Clément Guérin - I have this bug on default Chrome, turning on HW just makes
it more frequent.

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--- Comment #58 from Aaron B <aaronbottegal@gmail.com> ---
I would also like to add, if this happens three times in quick succession (Have
chrome running with an OpenGL game starting/Level loading in a game) it'll
sometimes have 3 quick fail and recovers. If it does happen 3 times in a row, X
dies and it throws up a few "Couldn't schedule IB" with possibly a previous
"Still active IB in BO." or two to the kernel log. This is pretty rare, but
about one out of every 5 crashes when I'm starting a game and Chromium/Mesa
fail to start the OpenGL app will fail in such a manner, although it has also
happened with just Chromium, but that is much more rare.

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--- Comment #59 from Aaron B <aaronbottegal@gmail.com> ---
*Still active OB in VM"* Just had about 3 crashes in 2 hours. This is a joke of
a bug that it seems nobody cares, and probably affects all SI, and probably
R600 users.

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--- Comment #60 from Aaron B <aaronbottegal@gmail.com> ---
I mean, if it helps, every crash is always during a situation where new
graphics information would be loaded up to the card, that can't me that much of
the Mesa code since I'd imagine the most complex part is all the OpenGL
standards compliance.

I run my R9 270X on a PCIe 3.0 port on a M5A99FX Pro 2.0 Evo motherboard.
Anyone else on majorly different hardware and have this problem?

(Fun fact, it had an uncovered crashed while I was typing this in, no other
screen updates at all.)

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--- Comment #61 from Damian Nowak <nowaker@geozone.pl> ---
My story: https://bugs.freedesktop.org/show_bug.cgi?id=65963#c4

tl;dr Mesa 10.1.4 is the last version that doesn't cause the problem.

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Damian Nowak <nowaker@geozone.pl> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |nowaker@geozone.pl

--- Comment #62 from Damian Nowak <nowaker@geozone.pl> ---
*** Bug 65963 has been marked as a duplicate of this bug. ***

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--- Comment #63 from Michel Dänzer <michel@daenzer.net> ---
(In reply to comment #61)
> tl;dr Mesa 10.1.4 is the last version that doesn't cause the problem.

If somebody could bisect that regression between Mesa 10.1 and 10.2, that would
be very helpful. See https://bugs.freedesktop.org/show_bug.cgi?id=79696#c21 for
some hints.

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--- Comment #64 from Christian König <deathsimple@vodafone.de> ---
(In reply to comment #58)
> I would also like to add, if this happens three times in quick succession
> (Have chrome running with an OpenGL game starting/Level loading in a game)
> it'll sometimes have 3 quick fail and recovers. If it does happen 3 times in
> a row, X dies and it throws up a few "Couldn't schedule IB" with possibly a
> previous "Still active IB in BO." or two to the kernel log. This is pretty
> rare, but about one out of every 5 crashes when I'm starting a game and
> Chromium/Mesa fail to start the OpenGL app will fail in such a manner,
> although it has also happened with just Chromium, but that is much more rare.

Regarding this you could try Alex drm-next-3.18 branch, it contains some reset
work from Maarten Lankhorst and me and should address this issue.

But nerveless bisecting what causes the crash to appear between mesa 10.1.4 and
10.2 sound like a good idea to me.

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--- Comment #65 from Aaron B <aaronbottegal@gmail.com> ---
I don't know what changed, if anything, but I did upgrade Chrome about 3 days
ago, and now the past 2 days ever since I saw them mentioning more then 3-4
crashes a day, I'm running into 15-20 crashes a day. I can't do anything with
Chrome. Next time I watch a video, we'll see if that went down in stability.
LIke I said though, I did upgrade Chrome, but I don't remember any regressions
in the first day of use. Maybe I didn't close it so I wasn't running on the new
version, but still my crash numbers have gone through the roof now, I can't
keep chrome open at all unless it's needed.

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--- Comment #66 from Christian König <deathsimple@vodafone.de> ---
(In reply to comment #65)
> I don't know what changed, if anything, but I did upgrade Chrome about 3
> days ago, and now the past 2 days ever since I saw them mentioning more then
> 3-4 crashes a day, I'm running into 15-20 crashes a day. I can't do anything
> with Chrome. Next time I watch a video, we'll see if that went down in
> stability. LIke I said though, I did upgrade Chrome, but I don't remember
> any regressions in the first day of use. Maybe I didn't close it so I wasn't
> running on the new version, but still my crash numbers have gone through the
> roof now, I can't keep chrome open at all unless it's needed.

Well that at least makes the issue more reproducible. Could you try grabbing an
apitrace log what what's going wrong?

That would really help.

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--- Comment #67 from Aaron B <aaronbottegal@gmail.com> ---
Created attachment 105569
  --> https://bugs.freedesktop.org/attachment.cgi?id=105569&action=edit
API trace of a crash.

> (In reply to comment #65)
> > I don't know what changed, if anything, but I did upgrade Chrome about 3
> > days ago, and now the past 2 days ever since I saw them mentioning more then
> > 3-4 crashes a day, I'm running into 15-20 crashes a day. I can't do anything
> > with Chrome. Next time I watch a video, we'll see if that went down in
> > stability. LIke I said though, I did upgrade Chrome, but I don't remember
> > any regressions in the first day of use. Maybe I didn't close it so I wasn't
> > running on the new version, but still my crash numbers have gone through the
> > roof now, I can't keep chrome open at all unless it's needed.
> 
> Well that at least makes the issue more reproducible. Could you try grabbing
> an apitrace log what what's going wrong?
> 
> That would really help.

This what you're looking for?

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--- Comment #68 from Michel Dänzer <michel@daenzer.net> ---
(In reply to comment #67)
> This what you're looking for?

No, we're looking for the /home/aaron/chromium.*.trace file generated by
apitrace corresponding to the crash.

BTW, can you try if Mesa 10.1 is stable for you as well? And if so, bisect?

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[Bug 81644] Random crashes on RadeonSI with Chromium.

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

Aaron B <aaronbottegal@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #105569|0                           |1
        is obsolete|                            |

--- Comment #69 from Aaron B <aaronbottegal@gmail.com> ---
Created attachment 105581
  --> https://bugs.freedesktop.org/attachment.cgi?id=105581&action=edit
chromiumapitrace

(In reply to comment #68)
> (In reply to comment #67)
> > This what you're looking for?
> 
> No, we're looking for the /home/aaron/chromium.*.trace file generated by
> apitrace corresponding to the crash.
> 
> BTW, can you try if Mesa 10.1 is stable for you as well? And if so, bisect?

If I get time I'll compile Mesa 10.1 32 and 64 bit and see if they work. No
promises, as git always fails either on or right after receiving 99% of
objects, so I have to try about 20 times to even attempt compile basically
anything.

Still, you're in luck as I started an API Trace and as soon as my browser
started to open, it killed it, so it's a nice and pair of traces.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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[-- Attachment #1.1: Type: text/plain, Size: 405 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=81644

Aaron B <aaronbottegal@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #105581|0                           |1
        is obsolete|                            |

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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[-- Attachment #1.1: Type: text/plain, Size: 302 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #70 from Aaron B <aaronbottegal@gmail.com> ---
Wrong file. This is the right file:

https://drive.google.com/file/d/0B1laUfqMuZQBeWpHSDYtV2N3RjQ/edit?usp=sharing

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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[-- Attachment #1.1: Type: text/plain, Size: 838 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #71 from Michel Dänzer <michel@daenzer.net> ---
(In reply to comment #70)
> https://drive.google.com/file/d/0B1laUfqMuZQBeWpHSDYtV2N3RjQ/edit?usp=sharing

Can you reproduce the crash by feeding those traces to glretrace?


(In reply to comment #69)
> If I get time I'll compile Mesa 10.1 32 and 64 bit and see if they work. No
> promises, as git always fails either on or right after receiving 99% of
> objects, so I have to try about 20 times to even attempt compile basically
> anything.

Note that you only really need to clone a Git repository once, after that all
the history (including all the commits you might need to test during the
bisection) is available locally.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 1611 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #72 from Aaron B <aaronbottegal@gmail.com> ---
(In reply to comment #71)
> (In reply to comment #70)
> > https://drive.google.com/file/d/0B1laUfqMuZQBeWpHSDYtV2N3RjQ/edit?usp=sharing
> 
> Can you reproduce the crash by feeding those traces to glretrace?
> 
> 
> (In reply to comment #69)
> > If I get time I'll compile Mesa 10.1 32 and 64 bit and see if they work. No
> > promises, as git always fails either on or right after receiving 99% of
> > objects, so I have to try about 20 times to even attempt compile basically
> > anything.
> 
> Note that you only really need to clone a Git repository once, after that
> all the history (including all the commits you might need to test during the
> bisection) is available locally.

Yeah, but I build it with yaourt, which likes to contain it's gits elsewhere
and apparently deletes them every time as you can't keep a clone unless it's in
the same session. I would work on getting 2-3 clones and uploading them to my
git and copying from that if need be, but it's just tons of work for me. Like I
said, I have to try about 20 times to even clone anything, it's a severe pain.

And running glretrace about 10 times on the trace files, no beans on getting
another crash.

[aaron@Aaron-Arch Chromiumapitrace]$ glretrace chromium.trace
0 64 glXSwapIntervalMESA(interval = 1) = 0
64: warning: unsupported glXSwapIntervalMESA call
Rendered 150 frames in 2.68355 secs, average of 55.8961 fps
[aaron@Aaron-Arch Chromiumapitrace]$

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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[-- Attachment #1.1: Type: text/plain, Size: 598 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #73 from Aaron B <aaronbottegal@gmail.com> ---
I'm not having any luck bisecting, because I can't even get mesa-10.1.4 to
compile. I recompiled LLVM with R600 and everything, but still no dice. Could
it be I'm using LLVM 3.6 or should there be no functional difference? I'm
getting errors for non-existent members and implicit function declarations. If
I could get it to compile I probably could have had it bisected, but looks like
I can't do it right now.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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[-- Attachment #1.1: Type: text/plain, Size: 439 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #74 from Michel Dänzer <michel@daenzer.net> ---
(In reply to comment #73)
> Could it be I'm using LLVM 3.6 [...]

Yes, only released versions of LLVM can be supported by released versions of
Mesa. Even LLVM 3.5 is only being released now, so you might need LLVM 3.4(.y)
for Mesa 10.1.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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[-- Attachment #1.1: Type: text/plain, Size: 753 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #75 from Michel Dänzer <michel@daenzer.net> ---
(In reply to comment #72)
> Yeah, but I build it with yaourt, which likes to contain it's gits elsewhere
> and apparently deletes them every time as you can't keep a clone unless it's
> in the same session.

Sounds like a severe yaourt limitation, but maybe you can convince it to clone
an existing local repository instead of a remote one?


> And running glretrace about 10 times on the trace files, no beans on getting
> another crash.

Then those trace files won't help others reproduce the problem either
unfortunately, let alone fix it.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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[-- Attachment #1.1: Type: text/plain, Size: 562 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #76 from Aaron B <aaronbottegal@gmail.com> ---
Ah, okay. Yeah, dropped to LLVM 3.4 and we're good to go. I'll report any
results I find interesting or believe may be problematic soon, along with my
bisect paths. I have 4 days off, so I'll probably be posting here a lot if I
get anything. Also helps I'm currently working on getting my projects to a
publishable state so I'll be in the programming-debugging mood to boot.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #77 from Aaron B <aaronbottegal@gmail.com> ---
Took a few hours, but only one shot thankfully.

first bad commit: [0e7b0f2a0ad3818d02907746a86568c264c97701] meta: Refactor
binding of renderbuffer as texture image

http://cgit.freedesktop.org/mesa/mesa/commit/?id=0e7b0f2a0ad3818d02907746a86568c264c97701

I think this is all you guys, now.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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[-- Attachment #1.1: Type: text/plain, Size: 621 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #78 from Marek Olšák <maraeo@gmail.com> ---
(In reply to comment #77)
> Took a few hours, but only one shot thankfully.
> 
> first bad commit: [0e7b0f2a0ad3818d02907746a86568c264c97701] meta: Refactor
> binding of renderbuffer as texture image
> 
> http://cgit.freedesktop.org/mesa/mesa/commit/
> ?id=0e7b0f2a0ad3818d02907746a86568c264c97701
> 
> I think this is all you guys, now.

That commit doesn't have any effect on radeonsi. Back to square one I guess.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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[-- Attachment #1.1: Type: text/plain, Size: 407 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #79 from Michel Dänzer <michel@daenzer.net> ---
Aaron, most likely the bisection didn't work because you marked commits as good
which would have shown the problem after more testing. I'm afraid you'll have
to test longer before declaring a commit as good.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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[-- Attachment #1.1: Type: text/plain, Size: 698 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #80 from Aaron B <aaronbottegal@gmail.com> ---
(In reply to comment #79)
> Aaron, most likely the bisection didn't work because you marked commits as
> good which would have shown the problem after more testing. I'm afraid
> you'll have to test longer before declaring a commit as good.

Hmm, okay, I'll try again. I'll test for about 8 hours this time. I don't have
the best grasp of the Mesa works, but I didn't think I screwed up as it seemed
to be something related to multisampler blitting which sounds darn close to
what is screwed up.

Starting over.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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[-- Attachment #1.1: Type: text/plain, Size: 721 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #81 from Michel Dänzer <michel@daenzer.net> ---
(In reply to comment #80)
> Hmm, okay, I'll try again. I'll test for about 8 hours this time.

Thanks. Basically, you need to test for at least as long as it's ever taken for
the problem to appear. A multiple of that would be even better.


> I don't have the best grasp of the Mesa works, but I didn't think I screwed up
> as it seemed to be something related to multisampler blitting which sounds darn
> close to what is screwed up.

The meta code is only used by classic drivers, not by Gallium based drivers.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #82 from Aaron B <aaronbottegal@gmail.com> ---
I'm still bisecting, but I just want to say I suck at it and I'll probably need
at least 2 bisects to the same point, if not more. I'm trying to be patient,
but on the old Mesa's the glitch just takes so long to do, even when I set it
up to do it.

So, should I skip to bisecting if this DMA patch that was just proposed is the
source of our problem, also?

https://bugs.freedesktop.org/show_bug.cgi?id=83500

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #83 from Aaron B <aaronbottegal@gmail.com> ---
This bisect put me here, which looks like it didn't go as planned again...

http://cgit.freedesktop.org/mesa/mesa/commit/?id=78578b759943cb198d34eedc00b3408c1599f6ec

I'm going to give up for now, maybe when I don't have so many other things
going on I'll bisect it over a week or so.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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[-- Attachment #1.1: Type: text/plain, Size: 234 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #84 from Clément Guérin <geecko.dev@free.fr> ---
Awesome work Aaron, don't give up!

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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[-- Attachment #1.1: Type: text/plain, Size: 807 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #85 from Aaron B <aaronbottegal@gmail.com> ---
I won't. I just am the typical programmer...it takes a while to trace it, but
why not just look for other broken stuff? Someone else has to have better
ability to do it and find what is causing it before I take a week to trace it
completely. :)

I've been using the patch I linked to for half a day now, the disabling 1D
tiling in conjunction with ReadonSI DMA. I have had no Chromium crashes. I did
have an odd crash in steam while playing a flash video on a game page in large
mode, but I don't believe it to be related. I'll report in later as to if I
believe it is a valid work around, for now it seems good though.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #86 from Aaron B <aaronbottegal@gmail.com> ---
1 day since I compiled mesa with the 2nd patch here, all is well and stable.

https://bugs.freedesktop.org/show_bug.cgi?id=83500

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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[-- Attachment #1.1: Type: text/plain, Size: 486 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #87 from Michel Dänzer <michel@daenzer.net> ---
(In reply to comment #86)
> https://bugs.freedesktop.org/show_bug.cgi?id=83500

I think in the meantime Grigori has seen GPU hangs even with that patch though,
with 2D tiling.

However, can you avoid the problem if you start Chromium with the environment
variable R600_DEBUG=nodma?

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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[-- Attachment #1.1: Type: text/plain, Size: 983 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #88 from Aaron B <aaronbottegal@gmail.com> ---
(In reply to comment #87)
> (In reply to comment #86)
> > https://bugs.freedesktop.org/show_bug.cgi?id=83500
> 
> I think in the meantime Grigori has seen GPU hangs even with that patch
> though, with 2D tiling.
> 
> However, can you avoid the problem if you start Chromium with the
> environment variable R600_DEBUG=nodma?

I was waiting for someone to comment before I updated my status. I have had one
crash, one of the ones where X dies because of 3 quick lock ups+recovers. But,
considering that was the only crash in 2 days, it's much better than before. I
also didn't know if the crash was Chromium or not, because I was alt+tabing
into other windows, but I'd bet it was. Let me recompile mesa fresh and try
launching Chromium and let you know the end of today if disabling also fixes
it.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #89 from Maciej <gutigen@outlook.com> ---
Could someone please fix this already? Mesa 10.2.x, 10.3-RC and git are simply
unusable on 7770.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #90 from Aaron B <aaronbottegal@gmail.com> ---
My testing has been delayed since they pushed LLVM 3.5 to stable on Arch, but
they changed one of the function's parameters. Then, 3.6 compiles perfectly for
64-bit, yet when compiling 32-bit, it fails to link. So I've been stuck using
repro's of 10.2.7 which...seems better, but it still does crash. Maybe it a
memory/buffer overrun problem, because the versions are either god-awful, or
somewhat usable with only a rare hiccup, which more recent versions just
getting worse and worse. But like I said, I can't compile basically anything
right now until everyone gets their stuff straight on function names and
parameters.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #91 from Michel Dänzer <michel@daenzer.net> ---
(In reply to comment #89)
> Could someone please fix this already? Mesa 10.2.x, 10.3-RC and git are
> simply unusable on 7770.

I'm sorry to hear that. We're working on it, but since we haven't been able to
reproduce these issues, we need your help for testing: Does the environment
variable R600_DEBUG=nodma help? If not, can you try if Mesa 10.1 is stable for
you, and if so, bisect between 10.1 and 10.2?

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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--- Comment #92 from Aaron B <aaronbottegal@gmail.com> ---
Like I said, I tried. But, it's too hard to reproduce. Unless you do it over a
2 week time span, it's so difficult to find. Maybe he could do it better since
his builds seem to crash more if it's completely unusable. But, if you're on
arch and don't want to help, stick to 32 and 64-bit LLVM 3.4.2. I can't help
for now.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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--- Comment #93 from Maciej <gutigen@outlook.com> ---
(In reply to comment #91)
> I'm sorry to hear that. We're working on it, but since we haven't been able
> to reproduce these issues, we need your help for testing: Does the
> environment variable R600_DEBUG=nodma help? If not, can you try if Mesa 10.1
> is stable for you, and if so, bisect between 10.1 and 10.2?

R600_DEBUG=nodma doesn't seem to help, got a hang while typing this comment.

It doesn't happen with Mesa 10.1 from default Ubuntu 14.04 installation, but I
need at least Mesa 10.3 and llvm-3.5 for any enjoyable gaming. My choice is
either use Mesa for gaming, but then I can't use browser with any sort of
hardware acceleration (or flash) or use fglrx for awesome 12fps desktop
performance (cause fglrx is broken at all fronts).

As for bisecting, I have no idea how to do that, nor I have time to learn - I'm
just a Ubuntu user with no technical skills.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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--- Comment #94 from Grigori Goronzy <greg@chown.ath.cx> ---
Maybe the crash actually happens because of glamor rendering - setting
R600_DEBUG won't do anything in that case.

Does this patch to Mesa make any difference?

https://bugs.freedesktop.org/attachment.cgi?id=105745

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #95 from Maciej <gutigen@outlook.com> ---
(In reply to comment #94)
> Maybe the crash actually happens because of glamor rendering - setting
> R600_DEBUG won't do anything in that case.
> 
> Does this patch to Mesa make any difference?
> 
> https://bugs.freedesktop.org/attachment.cgi?id=105745

I got a feeling that You guys always expect everyone here to have some sort of
skills, but a lot of Linux users have no idea how to compile Mesa, just like
me. I can test this if it lands in something like Oibaf PPA, but that's it :/

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #96 from Aaron B <aaronbottegal@gmail.com> ---
Just a while ago, I was the same way, sort. The main thing is to get away from
the not-as-good package manager in Ubuntu, and go with Arch like I did. Package
support is amazing because of the AUR, which build source for you, and when you
have to do it yourself like us, most of the time you can just grab the config
from the auto-installer, which should have 99% of the config options in-place.
Like I said, it's screwed ATM, but usually it's pretty painless to compile
anything. You just have to try it out. If you email me, I can get you set up
with a Mesa build configure for RadeonSI. Then all you have to do is learn how
to clone, pull, and patch in git. It's all not too bad. I mean, most LInux
people are devs of some sort, so if you want to have a good time, you should
put a little more time in and learn how the back-end of Linux and how programs
are compiled to have a good time. I'll keep testing, as soon as I find a way to
compile LLVM 3.6.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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--- Comment #97 from Maciej <gutigen@outlook.com> ---
(In reply to comment #96)
> Just a while ago, I was the same way, sort. The main thing is to get away
> from the not-as-good package manager in Ubuntu, and go with Arch like I did.
> Package support is amazing because of the AUR, which build source for you,
> and when you have to do it yourself like us, most of the time you can just
> grab the config from the auto-installer, which should have 99% of the config
> options in-place. Like I said, it's screwed ATM, but usually it's pretty
> painless to compile anything. You just have to try it out. If you email me,
> I can get you set up with a Mesa build configure for RadeonSI. Then all you
> have to do is learn how to clone, pull, and patch in git. It's all not too
> bad. I mean, most LInux people are devs of some sort, so if you want to have
> a good time, you should put a little more time in and learn how the back-end
> of Linux and how programs are compiled to have a good time. I'll keep
> testing, as soon as I find a way to compile LLVM 3.6.

I'd rather have my system to just work. Adding PPA takes no effort, setting up
something like Arch or compiling Mesa does and I have no time to deal with it.
Some of Linux users (I assume mostly those on *buntu distros) are not
developers, sysadmins or kernel hackers, we got other jobs and things to do,
but we like open source solutions and other benefits of Linux world. I suppose
I should just change my GPU to Nvidia and stop giving a fuck, but I prefer open
source solutions and AMD is the only choice when it comes to high performance
foss drivers.

I'm not bitching or whining here, just clarifying few facts.

I can reports bugs, provide logs, test some PPAs, but please don't patronize me
with your linux hacker attitude, I'm not one of You, I'm just a user with
different job description who happens to like open source for various reason
(messing with code is not one of them).

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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--- Comment #98 from Aaron B <aaronbottegal@gmail.com> ---
I'm giving you details on how to more help us, and if you can run Linux in any
way, and understand how the command line works even remotely, and how packages
work, going to a better system/learning one little thing like code compiling
isn't hard is my point, if you don't want to, that is fine, but at the same
time, even I'm a programmer, and the DRM infrastructure and hardware isn't in
my league so I can't help that way, but to help, yeah it's good to get
confirmation of bugs, but unless we can patch together and such, it's a long
shot from finding the actual problem, since, like I said, it's hard to track
down, it's so random.

But still, whoever said AMD has the best FOSS drivers was dead wrong, as
they're last AFAIK. Intel and Nvidia patches to Mesa even are 10x more. Our
guys on here do good work, it's not their fault AMD as a company won't cater to
us, though. They don't have much help, it's 4-5 guys, most of them watching
this. I mean, if they ditched their Proprietary drivers made in Hong Kong,
which aren't bad when they compile on 2 year old kernels, and contributed to
Mesa/DRM, we'd of had good drivers years ago. But they don't, so we're here
now, and we gotta be patient. You should have known and understood this before
you went to a newer technology card. I mean, I'm mad too, I also want to go
with a GTX 770ti, but I'm sticking with this to help get it stable, as without
users it's also harder to get software into a usable state over all.

If you want complete usability on your hardware, you should just go windows
then, FWIW. As bad as that sounds, if you need it to work, use what does for
your hardware, as new hardware in Linux takes time, especially since there's
always new hardware. It works for me, just a few bugs, I'm sorry yours is
worse, but there's not much any of us can do.

Also, I haven't had a crash in 3 or so days now since I went to LLVM 3.6, even
though it doesn't build Mesa with it on 32-bit. Maybe it's fixed, just have to
wait for LLVM to update.

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--- Comment #99 from Emil Velikov <emil.l.velikov@gmail.com> ---
Maciej

Just a friendly note from a guy not involved with the radeon drivers or the AMD
team.

There is software development and distribution. As the latter differs greatly
it is somewhat unexpected for developers to know every distro, how they build
their software, how its packaged, distributed etc.
If you are willing to help, apart from reporting issues here, file them with
the distribution and obviously link the two. This way they can prepare packages
for you (and other affected people) to test.

I fear that explaining over and over again that you don't have experience in
building and/or bisecting does not really help. If you have the time to learn -
great, otherwise seek assistance from your distribution.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #100 from Aaron B <aaronbottegal@gmail.com> ---
I also would like to note that, I just had 2 crashes. Chromium. So it still
exists, just seems to happen rarer and rarer for me.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #101 from Maciej <gutigen@outlook.com> ---
(In reply to comment #98)
> > If you want complete usability on your hardware, you should just go windows
> then, FWIW.

This here is where Linux desktop issues start - You people drive new users away
from this platform, so only devs are here who do not make software for human
beings, so it's harder for new users to come here, which results in low market
share, which results in lack of proper hardware support which results in even
lower market share, good job. If not for Canonical or Valve there would be no
Linux desktop at all, all You would be running Open Quake on top of fuckin'
Gentoo or Arch with some useless (for average joe, not developer) tiling window
manager.

I'm using Linu.. wait, let me correct - I'm using Ubuntu because I like open
source for various reasons, hacking the code is not one of them (I'm repeating
myself I think, obviously You people can't read any form of human language -
"it's not C, I don't understand!"). Also my card is from 2012, it's not even
remotely new hardware, get your facts straight.

--------

Emil Velikov

Not sure what difference would it make to file a bug at launchpad from where
they will point me right here. Aren't all Mesa devs right here anyway? I'm
seeking assistance from Mesa developers, which I heard are paid by AMD (those
on AMD team) - which makes me their customer.

I suppose this is wrong place to be a normal person, not a dev, so I'll stay
away in the future and meanwhile jump ship to Nvidia camp, fuck You very much
(Mesa is great, but Your attitude towards non-developers is terrible).

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #102 from Emil Velikov <emil.l.velikov@gmail.com> ---
(In reply to comment #101)
> Emil Velikov
> 
> Not sure what difference would it make to file a bug at launchpad from where
> they will point me right here. Aren't all Mesa devs right here anyway? I'm
> seeking assistance from Mesa developers, which I heard are paid by AMD
> (those on AMD team) - which makes me their customer.
> 
Please try to settle for a moment and read the whole "development" vs
"distribution" note.

> I suppose this is wrong place to be a normal person, not a dev, so I'll stay
> away in the future and meanwhile jump ship to Nvidia camp, fuck You very
> much (Mesa is great, but Your attitude towards non-developers is terrible).
>
I never said nor hinted that this is the "wrong place for normal people". I
feel that once you realise what I meant with "development vs distribution" you
will understand that "our attitude" is not terrible. All developers ask is some
clear steps in order to understand and fix the issue.

Thanks

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--- Comment #103 from Aaron B <aaronbottegal@gmail.com> ---
It seems the more often the build has this bug, the most it ALSO randomly has
"blank" and "garbled" frames. Every so often, the screen will shift, or
sometimes seem to just go completely blank. I notice in the builds where chrome
crashes a ton, this happens a ton. When it doesn't, it also doesn't crash as
often.

What are the chances our other hardware could help find this? I dunno what you
guys on the AMD dev side run, but I did get an FX-8350, and maybe this has
something to do with the vblank patches I saw you guys post, as I remember
seeing errors I saw with the vblank patches and talk. I don't know if they were
scrapped or what, but could this be tied to any external hardware or bus or
something just racing something else? Any way to test for the race conditions,
successfully? I mean, I'm back on this current build of mesa, and it's just a
mess.

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--- Comment #104 from Maciej <gutigen@outlook.com> ---
Easy way to reproduce (though takes some time) is watching any video using
mplayer with xv. After few minutes (or an hour) it will hang. Same goes for
flash videos, fire up 5 or 6 at once and in no time it should hang.

Watching videos in mplayer with vdpau doesn't result in crash (I watch a lot of
movies on this machine with smplayer+vdpau, never hanged with it). Also aside
from flash, current Firefox (32) from Ubuntu 14.10 works properly, but if I
turn on hardware acceleration (OMCT or something) it behaves just like Chrome
(hangs).

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #105 from Aaron B <aaronbottegal@gmail.com> ---
Nobody reproducing this still? I just had another X dying when booting
up/starting to transfer GPU data in CSS for a map and I got a new error in
between other usuals:

r600_ring_test: *ERROR* Radeon: ring test failed (scratch(0x850C)=0xCAFEDEAD)

Also, looks like our issue, VERY similar in every way, but was supposedly
fixed.

https://www.libreoffice.org/bugzilla/show_bug.cgi?format=multiple&id=67187

Is it a power issue? Is it only triggered because a web browser isn't very hard
to run, and is constantly switching states depending on use and how much there
is to update, while other OpenGL apps like games and such don't crash because
they skip problematic states in the PM? Just throwing out whatever sticks, as
if that was their issue, it sounds exactly like my issue, even my primary
errors with it.

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--- Comment #106 from Aaron B <aaronbottegal@gmail.com> ---
LibreOffice triggers the bug much, much more than Chromium and VLC. Trying to
make a few work documents and update my resume, and it's just not doable.

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--- Comment #107 from smoki <smoki00790@gmail.com> ---
 @Aaron B 

 Can i suggest something to try if helps, because this bug geting very big,
unreproducable for some people and seems like goes nowhere... so if you build
your mesa, try to build it with -mtune=native for both 32bit and 64bit
variants, for me recently that (or everything that avoid default
-march=generic) make it more faster&stable. bug 83436

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--- Comment #108 from Aaron B <aaronbottegal@gmail.com> ---
I have seen the comment, once LLVM becomes unbroken, and GCC becomes unbroken,
and everything doesn't suck, I'll recompile it all. But right now, LLVM is
broken, and even when compiled, doesn't link right with Mesa/Mesa32, so I can't
test for certain right now.

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--- Comment #109 from Aaron B <aaronbottegal@gmail.com> ---
Crashing still persists with -mtune=native and -march=native on my kernel and
mesa 64, and mesa 32 with LLVM 3.5 from Arch's repos. :c

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--- Comment #110 from Aaron B <aaronbottegal@gmail.com> ---
I found this post, stating some of the ASUS hardware comes PRE-OVERCLOCKED from
the factory. Good chance this is the cause of my instability?

http://www.tomshardware.com/answers/id-2041324/problem-asus-270x-screen-blank-game.html

My GPU:

http://www.newegg.com/Product/Product.aspx?Item=N82E16814121802&nm_mc=KNC-GoogleAdwords&cm_mmc=KNC-GoogleAdwords-_-pla-_-Desktop+Graphics+Cards-_-N82E16814121802&gclid=COjjs6v3_MACFRAR7Aod_2EAqQ

Core clock is listed at 1120 Mhz, not 1050 Mhz.

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--- Comment #111 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #110)
> I found this post, stating some of the ASUS hardware comes PRE-OVERCLOCKED
> from the factory. Good chance this is the cause of my instability?
> 
> http://www.tomshardware.com/answers/id-2041324/problem-asus-270x-screen-
> blank-game.html
> 
> My GPU:
> 
> http://www.newegg.com/Product/Product.aspx?Item=N82E16814121802&nm_mc=KNC-
> GoogleAdwords&cm_mmc=KNC-GoogleAdwords-_-pla-_-Desktop+Graphics+Cards-_-
> N82E16814121802&gclid=COjjs6v3_MACFRAR7Aod_2EAqQ
> 
> Core clock is listed at 1120 Mhz, not 1050 Mhz.

Radeon already limits the clocks in certain cases depending on the vbios
tables.  You can disable dpm which will keep the chip at the default boot up
levels (usually some where in the range of 300e/150m) for testing.  Append
radeon.dpm=0 to the kernel command line in grub.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #112 from Aaron B <aaronbottegal@gmail.com> ---
OKay, I'm testing it now. Can't game at any good framerate, but that is fine.
If I get no crashes here, does that mean the random crashes are from changes in
power state? It would make sense, sense most of the time is on page loading, or
most of the screens pixels changing at the same time. I'm on a 1080p screen via
hdmi, maybe that could help you try to replicate it some more.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #113 from Alexandre Demers <alexandre.f.demers@gmail.com> ---
I commented out every "return ret;" of si_dpm_set_power_state() in si_dpm.c.
After booting this modified kernel, I can confirm this is the only error
reported in si_dpm_set_power_state(): every other verification passes OK and it
goes down to the very end.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #114 from Alexandre Demers <alexandre.f.demers@gmail.com> ---
(In reply to comment #113)
> I commented out every "return ret;" of si_dpm_set_power_state() in si_dpm.c.
> After booting this modified kernel, I can confirm this is the only error
> reported in si_dpm_set_power_state(): every other verification passes OK and
> it goes down to the very end.

Oops, I had too many bugs opened, I wrote this comment in the wrong one.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #115 from Aaron B <aaronbottegal@gmail.com> ---
Haha, was it the SI power state ULV one? I was worried I accidentally posted in
that and this was a reply. No crashes so far, I'll report tomorrow if I have
any, but it seems stable with DPM off. But we'll continue more tomorrow. :)

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #116 from Alexandre Demers <alexandre.f.demers@gmail.com> ---
I've been reading the comments in fast forward, and I'm sure I'm hitting the
same bug.

For info, I'm using a 7950 on Arch 64. I'm running Xorg server 1.16.1. Mesa,
drm and ddx are all from the latest git repositories. I was not experiencing
this bug yesterday while I was still using a 6950 on Glamor.

Now, I have a log that I can push from just after a hang and reset or from a
hang and a badly running Xorg server. There is something about ring 5 not
responding. I'll send the file later when I'll get to my desktop.

To trigger the bug in no time, as you, I just have to watch a movie (either
flash or html5) on chrome or firefox and wait. Otherwise, going through
websites, apps, etc will get you to the same point, but it will take more time.

I must warn you though: chrome/chromium has been hanging with both r600 and
readeonsi drivers. It should not be mixed with the current issue, because they
are probably two different bugs. Thus, I prefer to use firefox for now to
eleminate mixing these two.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #117 from Aaron B <aaronbottegal@gmail.com> ---
Well, I'm still on Chromium, and I've forced my GPU from the backlist, because
if you don't then it doesn't use all accel so it should be okay. Anyways, I
turned off DPM and have no crashing at all, Chromium seems stable, LibreOffice
seems stable, and also when you turn off DPM, the "Screen Jumping/corruption"
goes away. It seems to be proportional to number of crashes, too. Which I have
seen it go away, and no crashes now, so maybe it's related. But without DPM I'd
say my GPU is now stable. My R9 270X is ASUS brand from about January, if that
would help figure what hardware it has.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #118 from Alexandre Demers <alexandre.f.demers@gmail.com> ---
(In reply to comment #117)
> Well, I'm still on Chromium, and I've forced my GPU from the backlist,
> because if you don't then it doesn't use all accel so it should be okay.
> Anyways, I turned off DPM and have no crashing at all, Chromium seems
> stable, LibreOffice seems stable, and also when you turn off DPM, the
> "Screen Jumping/corruption" goes away. It seems to be proportional to number
> of crashes, too. Which I have seen it go away, and no crashes now, so maybe
> it's related. But without DPM I'd say my GPU is now stable. My R9 270X is
> ASUS brand from about January, if that would help figure what hardware it
> has.

Well, it points out a problem with dpm. Maybe the uvd class is problematic?

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #119 from Alexandre Demers <alexandre.f.demers@gmail.com> ---
Small question Alex Deucher or Christian may answer: is it normal ring 5 is
completely in a different GPU's memory address area?
[    9.353518] radeon 0000:01:00.0: fence driver on ring 0 use gpu addr
0x00000000c0000c00 and cpu addr 0xffff880411a25c00
[    9.353519] radeon 0000:01:00.0: fence driver on ring 1 use gpu addr
0x00000000c0000c04 and cpu addr 0xffff880411a25c04
[    9.353521] radeon 0000:01:00.0: fence driver on ring 2 use gpu addr
0x00000000c0000c08 and cpu addr 0xffff880411a25c08
[    9.353522] radeon 0000:01:00.0: fence driver on ring 3 use gpu addr
0x00000000c0000c0c and cpu addr 0xffff880411a25c0c
[    9.353524] radeon 0000:01:00.0: fence driver on ring 4 use gpu addr
0x00000000c0000c10 and cpu addr 0xffff880411a25c10
[    9.356425] radeon 0000:01:00.0: fence driver on ring 5 use gpu addr
0x0000000000075a18 and cpu addr 0xffffc90015fb5a18

rings 0 to 4 are all in the same gpu address subset, but not ring 5?

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #120 from Aaron B <aaronbottegal@gmail.com> ---
I don't know how much it'll help, but I have this running in the background to
try to see whatever causes it. It doesn't help much considering I don't have a
marker/way to input when the crash starts to happen, but maybe someone has an
idea of the best way to do that. Maybe look for messages in dmesg about the
rings locking up? Any improvement ideas? You probably will have to adjust the
sampling rate and size to fit your computer, my drive is at 50% usage running
this, but I can afford it since I have a few drives.

http://ideone.com/V4MkeN

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #121 from Aaron B <aaronbottegal@gmail.com> ---
Created attachment 106942
  --> https://bugs.freedesktop.org/attachment.cgi?id=106942&action=edit
DPM Crash log/watch script output.

First log with that script, no markers needed as you can see in the log when
the DPM dies, it goes back to no-dpm mode until it recovers.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #122 from José Suárez <j.suarez.agapito@gmail.com> ---
Created attachment 106946
  --> https://bugs.freedesktop.org/attachment.cgi?id=106946&action=edit
Dmesg log

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #123 from José Suárez <j.suarez.agapito@gmail.com> ---
(In reply to comment #122)
> Created attachment 106946 [details]
> Dmesg log

I am experiencing the same problem described in comment 116. I only use firefox
and I am getting hangs consistently whenever I watch a flash or a html5 youtube
video. The screen gets black and I have to reboot.

I attached the system dmesg log above.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #124 from José Suárez <j.suarez.agapito@gmail.com> ---
Just for an easier read:

Radeon HD 7870 GHZ Edition 2 GB
FX 8150 @ 3700 MHz
16 GB RAM

Linux 3.17-rc5, with mesa 10.4~git1409200730.4eb2bb compiled with llvm
3.6~svn217413 on Kubuntu 14.04 with all the latest updates (including firefox).

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #125 from José Suárez <j.suarez.agapito@gmail.com> ---
Created attachment 106947
  --> https://bugs.freedesktop.org/attachment.cgi?id=106947&action=edit
X.org log

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #126 from Christian König <deathsimple@vodafone.de> ---
(In reply to comment #119)
> Small question Alex Deucher or Christian may answer: is it normal ring 5 is
> completely in a different GPU's memory address area?
> [    9.353518] radeon 0000:01:00.0: fence driver on ring 0 use gpu addr
> 0x00000000c0000c00 and cpu addr 0xffff880411a25c00
> [    9.353519] radeon 0000:01:00.0: fence driver on ring 1 use gpu addr
> 0x00000000c0000c04 and cpu addr 0xffff880411a25c04
> [    9.353521] radeon 0000:01:00.0: fence driver on ring 2 use gpu addr
> 0x00000000c0000c08 and cpu addr 0xffff880411a25c08
> [    9.353522] radeon 0000:01:00.0: fence driver on ring 3 use gpu addr
> 0x00000000c0000c0c and cpu addr 0xffff880411a25c0c
> [    9.353524] radeon 0000:01:00.0: fence driver on ring 4 use gpu addr
> 0x00000000c0000c10 and cpu addr 0xffff880411a25c10
> [    9.356425] radeon 0000:01:00.0: fence driver on ring 5 use gpu addr
> 0x0000000000075a18 and cpu addr 0xffffc90015fb5a18
> 
> rings 0 to 4 are all in the same gpu address subset, but not ring 5?

Yes that's perfectly normal. Ring 5 is the UVD ring and that needs to have it's
fence in the first 256MB of VRAM.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #127 from Alexandre Demers <alexandre.f.demers@gmail.com> ---
(In reply to comment #126)
> (In reply to comment #119)
> > Small question Alex Deucher or Christian may answer: is it normal ring 5 is
> > completely in a different GPU's memory address area?
> > [    9.353518] radeon 0000:01:00.0: fence driver on ring 0 use gpu addr
> > 0x00000000c0000c00 and cpu addr 0xffff880411a25c00
> > [    9.353519] radeon 0000:01:00.0: fence driver on ring 1 use gpu addr
> > 0x00000000c0000c04 and cpu addr 0xffff880411a25c04
> > [    9.353521] radeon 0000:01:00.0: fence driver on ring 2 use gpu addr
> > 0x00000000c0000c08 and cpu addr 0xffff880411a25c08
> > [    9.353522] radeon 0000:01:00.0: fence driver on ring 3 use gpu addr
> > 0x00000000c0000c0c and cpu addr 0xffff880411a25c0c
> > [    9.353524] radeon 0000:01:00.0: fence driver on ring 4 use gpu addr
> > 0x00000000c0000c10 and cpu addr 0xffff880411a25c10
> > [    9.356425] radeon 0000:01:00.0: fence driver on ring 5 use gpu addr
> > 0x0000000000075a18 and cpu addr 0xffffc90015fb5a18
> > 
> > rings 0 to 4 are all in the same gpu address subset, but not ring 5?
> 
> Yes that's perfectly normal. Ring 5 is the UVD ring and that needs to have
> it's fence in the first 256MB of VRAM.

Thank you Christian for your quick explanation. Can we suspect the problem to
be withing the UVD code then if:
- crashes are mostly happening when watching videos (flash or html5 in whatever
browser);
- logs points to ring 5 not responding for some time?

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #128 from Christian König <deathsimple@vodafone.de> ---
(In reply to comment #127)
> Thank you Christian for your quick explanation. Can we suspect the problem
> to be withing the UVD code then if:
> - crashes are mostly happening when watching videos (flash or html5 in
> whatever browser);
> - logs points to ring 5 not responding for some time?

Well that behavior could actually be completely normal, incorrectly feeding UVD
with informations can crash the block.

That can happen for example because of a corrupted video stream, or because the
userspace driver doesn't work 100% correctly.

Whatever it is the recommended way to handle it is to just reset the block and
that's exactly what we do, the only problem is that it's really hard to get the
reset to be 100% reliable.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #129 from Aaron B <aaronbottegal@gmail.com> ---
Didn't mention it last night, but in my logs were this in my system log were
messages about msc number being wrong, which we've seen before. But I also saw
a "Chromium segfault" error which I haven't seen before, but would explain why
it crashes. It's probably it's fault for not bailing from a bad return
gracefully, but maybe the return isn't NULL when it should be, anything is
possible.

Also interesting in DMesg:

[ 8531.831921] radeon 0000:01:00.0: Packet0 not allowed!

Is it broken in all of radeonsi, and not only hawaii? I haven't seen this
before. This was 500 seconds before my screen died.

Still, anything else I should log from DPM and such to try to find what screws
up when?

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #130 from José Suárez <j.suarez.agapito@gmail.com> ---
Oh, by the way, since I see UVD comments, just to be clear, I don't have GPU
acceleration enabled in Flash.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #131 from José Suárez <j.suarez.agapito@gmail.com> ---
I have just played a youtube video (coincidentally the youtube message from
AMD's John Byrne regarding Catalyst!) and I have just checked that the
following messages show up in the dmesg log:

[ 2053.298531] radeon 0000:05:00.0: Packet0 not allowed!
[ 2058.548486] radeon 0000:05:00.0: Packet0 not allowed!
[ 2166.793537] radeon 0000:05:00.0: Packet0 not allowed!

Given that the video is very short and I haven't played any other youtube video
the system hasn't crashed (yet). I presume that if I were to play other videos
the system would hang.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #132 from Alexandre Demers <alexandre.f.demers@gmail.com> ---
(In reply to comment #131)
> I have just played a youtube video (coincidentally the youtube message from
> AMD's John Byrne regarding Catalyst!) and I have just checked that the
> following messages show up in the dmesg log:
> 
> [ 2053.298531] radeon 0000:05:00.0: Packet0 not allowed!
> [ 2058.548486] radeon 0000:05:00.0: Packet0 not allowed!
> [ 2166.793537] radeon 0000:05:00.0: Packet0 not allowed!
> 
> Given that the video is very short and I haven't played any other youtube
> video the system hasn't crashed (yet). I presume that if I were to play
> other videos the system would hang.

I saw that also at at least one time. I'll look in my logs for this when it
hangs.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #133 from Grigori Goronzy <greg@chown.ath.cx> ---
I'm not really sure the failing UVD resets are even related to the hangs. UVD
also sometimes fails to reset properly for me after the DMA block hangs. GPU
reset just isn't that reliable on SI right now

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #134 from Alexandre Demers <alexandre.f.demers@gmail.com> ---
I'd like to test disabling UVD. I'll dig in the kernel to report UVD as
disabled for SI for this test. This should narrow where we have to look for
this bug.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #135 from Christian König <deathsimple@vodafone.de> ---
(In reply to comment #134)
> I'd like to test disabling UVD. I'll dig in the kernel to report UVD as
> disabled for SI for this test. This should narrow where we have to look for
> this bug.

Sometimes UVD functions are needed for power management to work correctly, so
not enabling UVD at all might not be an option either. But I'm not sure if that
applies to your hardware or not.

Easiest way to disable UVD otherwise is to just add an "return -1" to the
beginning of radeon_uvd_init in the kernel module.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #136 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #131)
> I have just played a youtube video (coincidentally the youtube message from
> AMD's John Byrne regarding Catalyst!) and I have just checked that the
> following messages show up in the dmesg log:
> 
> [ 2053.298531] radeon 0000:05:00.0: Packet0 not allowed!
> [ 2058.548486] radeon 0000:05:00.0: Packet0 not allowed!
> [ 2166.793537] radeon 0000:05:00.0: Packet0 not allowed!

These indicate that userspace is sending a broken command stream (e.g., a bad
count for a packet most likely).  The kernel will reject the command stream if
a bad one is encountered.  There still could be a bug in the command stream
setup in userspace that is just masked in other cases due to the layout of the
commands.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #137 from Aaron B <aaronbottegal@gmail.com> ---
I'm gonna try with more DPM to make sure the combo of DPM and DMA isn't what is
causing it. I'm getting many more consistent crashes with Chrome. Also, seems
by bug report here is a dup of this one just posted to, a month before mine:

http://lists.freedesktop.org/archives/dri-devel/2014-September/069303.html

Same everything, so yeah.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #138 from Alexandre Demers <alexandre.f.demers@gmail.com> ---
(In reply to comment #135)
> (In reply to comment #134)
> > I'd like to test disabling UVD. I'll dig in the kernel to report UVD as
> > disabled for SI for this test. This should narrow where we have to look for
> > this bug.
> 
> Sometimes UVD functions are needed for power management to work correctly,
> so not enabling UVD at all might not be an option either. But I'm not sure
> if that applies to your hardware or not.
> 
> Easiest way to disable UVD otherwise is to just add an "return -1" to the
> beginning of radeon_uvd_init in the kernel module.

Well, when disabling UVD as suggested, I had no hang when viewing movies all
night long. No ring 5 error either.

I did get some Packet0 errors though, which were "stuttering" the display for
short times, but it never crashed.

However, at one point, Xorg just froze (the sound was still playing and the
mouse was moving but nothing  else was responding) but I think it is a
different bug (there is nothing in dmesg, but there is errors in Xorg.0.log).
I'll attach the file in a second. If someone is sure this is a different bug,
let me know so I'll open a new bug for it.

Overall, I'd be tempted to point at UVD for the current bug.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #139 from Alexandre Demers <alexandre.f.demers@gmail.com> ---
Created attachment 107099
  --> https://bugs.freedesktop.org/attachment.cgi?id=107099&action=edit
Xorg log when it froze

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #140 from Aaron B <aaronbottegal@gmail.com> ---
I dunno, I've had all those bugs, and when I'm stable, none happen to my
knowldge. I think they're all same things, different ways of triggering. Or,
maybe we do have multiple bugs.

Chromium/Chrome/VLC/Video/Screen blanks: UVD

What bugs should be classified as a different trigger? We should probably ping
what is what now, that we have lots more people with the same problems posting.
:)

Also, started watching a movie, crashed in 5 minutes, UVD died. Turned off PM,
and UVD is fine , an hour or so in to the movie, and I'm going to watch 2 more
after it, so we'll see. If it's stable after 2 more hours, DPM is definitely
causing something, maybe both bugs with UVD and GPU faulting/EQ overflow/MSC
Numbers unequal.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #141 from Michel Dänzer <michel@daenzer.net> ---
If someone has a way to reliably reproduce the 'Packet0 not allowed!' error,
please file a separate report for that. Or, if you know at least which process
triggers it, you can run that process with the environment variable
RADEON_DUMP_CS=1, and it should print a dump of the failed command stream(s) on
stderr.

P.S. I'm afraid this report has turned into a train wreck, it's impossible to
keep track of who encountered what issue(s) under what circumstances.

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[Bug 81644] Random crashes on RadeonSI with Chromium.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #142 from Alexandre Demers <alexandre.f.demers@gmail.com> ---
(In reply to comment #141)
> If someone has a way to reliably reproduce the 'Packet0 not allowed!' error,
> please file a separate report for that. Or, if you know at least which
> process triggers it, you can run that process with the environment variable
> RADEON_DUMP_CS=1, and it should print a dump of the failed command stream(s)
> on stderr.
> 
> P.S. I'm afraid this report has turned into a train wreck, it's impossible
> to keep track of who encountered what issue(s) under what circumstances.

I opened Bug 84500 just for Packet0.

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https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #143 from Aaron B <aaronbottegal@gmail.com> ---
So, what to do with this bug report? Keep it open, and when you guys think it
may be fixed with a commit, just ask here? I just re-built Mesa with today's
commits, and it's just back to crashing like crazy. :)

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--- Comment #144 from Aaron B <aaronbottegal@gmail.com> ---
Is it possible at all that the problem is related to using DDR3-1866 RAM? I
mean I'm trying to think of why you guys at AMD can't encounter it, while I
can't stay away from it. That is basically the only piece of hardware that
would be "overclocked" by any means. But I don't know. You guys still haven't
encountered these problems?

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--- Comment #145 from Aaron B <aaronbottegal@gmail.com> ---
I'm just going to end my comments here, if someone wants to know more like
asking me to test or testing a patch related, let me know.

With radeon.dpm=0, this crash is "fixed" and never happens at all, past 4 days
have been running perfect on it. About 20 hours up time total in a row, which
is unheard of for me.

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--- Comment #146 from Aaron B <aaronbottegal@gmail.com> ---
Go figure after saying that, I maximized a youtube video and it died when on
radeon.dpm=0. So just...guess this can just die. -_-

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Aaron B <aaronbottegal@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |DUPLICATE

--- Comment #147 from Aaron B <aaronbottegal@gmail.com> ---
Marking duplicate to start over.

*** This bug has been marked as a duplicate of bug 85647 ***

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--- Comment #148 from Gedalya <gedalya@gedalya.net> ---
See https://code.google.com/p/chromium/issues/detail?id=404357

In my case it was definitely crashing with mesa 10.2. In all cases it seemed to
be triggered by chromium. Bug 85647 is talking about something that started
with mesa 10.3.

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