* [Bug 39612] New: radeon blocks with new style fencing
@ 2011-07-19 18:45 bugzilla-daemon
2011-07-20 4:19 ` [Bug 39612] " bugzilla-daemon
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0 siblings, 9 replies; 10+ messages in thread
From: bugzilla-daemon @ 2011-07-19 18:45 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=39612
Summary: radeon blocks with new style fencing
Product: Drivers
Version: 2.5
Kernel Version: >= 2.6.37
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Video(DRI - non Intel)
AssignedTo: drivers_video-dri@kernel-bugs.osdl.org
ReportedBy: linas_fi@ymail.com
CC: alexdeucher@gmail.com
Regression: Yes
I am using a Radeon HD 3600 in kernel 2.6.36 with xf86-video-ati (KMS). Since
2.6.37 when starting the X server the screen goes black and never shows the
desktop.
kernel 2.6.36
startx -> Screen goes black -> The wallpaper appears -> The DE loads
kernel >= 2.6.37
startx -> Screen goes black -> You can't switch virtual terminals -> REISUB ->
Downgrade kernel
Reproducible: Always
Bisecting shows that it started failing at
d0f8a854c340986359a3b0a97e380c71def7a440: drm/radeon/kms/r6xx+: use new style
fencing (v3)
http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.37.y.git;a=commit;h=d0f8a854c340986359a3b0a97e380c71def7a440
Downstream bug https://bugs.archlinux.org/task/23422
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* [Bug 39612] radeon blocks with new style fencing
2011-07-19 18:45 [Bug 39612] New: radeon blocks with new style fencing bugzilla-daemon
@ 2011-07-20 4:19 ` bugzilla-daemon
2011-08-01 22:29 ` bugzilla-daemon
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From: bugzilla-daemon @ 2011-07-20 4:19 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=39612
--- Comment #1 from Alex Deucher <alexdeucher@gmail.com> 2011-07-20 04:19:06 ---
Please attach your xorg log and dmesg output. Does booting with radeon.no_wb=1
on the kernel command line in grub help?
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* [Bug 39612] radeon blocks with new style fencing
2011-07-19 18:45 [Bug 39612] New: radeon blocks with new style fencing bugzilla-daemon
2011-07-20 4:19 ` [Bug 39612] " bugzilla-daemon
@ 2011-08-01 22:29 ` bugzilla-daemon
2012-08-24 15:33 ` bugzilla-daemon
` (6 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: bugzilla-daemon @ 2011-08-01 22:29 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=39612
--- Comment #2 from Linas <linas_fi@ymail.com> 2011-08-01 22:29:21 ---
Created an attachment (id=67342)
--> (https://bugzilla.kernel.org/attachment.cgi?id=67342)
Xorg log
Sorry for the delay. I'm attaching the file.
The radeon.no_wb=1 workaround does indeed work. Much appreciated.
Instead of showing only the mouse pointer (if lucky), shows the full screen
again.
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* [Bug 39612] radeon blocks with new style fencing
2011-07-19 18:45 [Bug 39612] New: radeon blocks with new style fencing bugzilla-daemon
2011-07-20 4:19 ` [Bug 39612] " bugzilla-daemon
2011-08-01 22:29 ` bugzilla-daemon
@ 2012-08-24 15:33 ` bugzilla-daemon
2012-10-21 19:31 ` bugzilla-daemon
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From: bugzilla-daemon @ 2012-08-24 15:33 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=39612
Alan <alan@lxorguk.ukuu.org.uk> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |NEEDINFO
CC| |alan@lxorguk.ukuu.org.uk
--- Comment #3 from Alan <alan@lxorguk.ukuu.org.uk> 2012-08-24 15:33:20 ---
Is this still needing workarounds or can I close it ?
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* [Bug 39612] radeon blocks with new style fencing
2011-07-19 18:45 [Bug 39612] New: radeon blocks with new style fencing bugzilla-daemon
` (2 preceding siblings ...)
2012-08-24 15:33 ` bugzilla-daemon
@ 2012-10-21 19:31 ` bugzilla-daemon
2012-10-21 19:34 ` bugzilla-daemon
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From: bugzilla-daemon @ 2012-10-21 19:31 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=39612
--- Comment #4 from Linas <linas_fi@ymail.com> 2012-10-21 19:31:38 ---
Created an attachment (id=84201)
--> (https://bugzilla.kernel.org/attachment.cgi?id=84201)
Xorg log mieq
Testing with 3.6.2, radeon.no_wb=1 is still needed, although it seems a bit
better.
You can get -with a little difficulty- to switch virtual terminals, so it is
possible to SIGINT the xserver. Interestingly, although the first startx leads
to a blank screen, a second startx runs the DE without being apparently
affected. ?!
Booting with radeon.no_wb=1 the DE shows directly the first time, as it should.
In one failed instance, the Xorg log showed errors of «[mi] EQ overflowing.»,
«[mi] EQ overflow continuing. 100 events have been dropped.», «[mi] EQ
overflow continuing. 200 events have been dropped.»... I am attaching this
log.
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* [Bug 39612] radeon blocks with new style fencing
2011-07-19 18:45 [Bug 39612] New: radeon blocks with new style fencing bugzilla-daemon
` (3 preceding siblings ...)
2012-10-21 19:31 ` bugzilla-daemon
@ 2012-10-21 19:34 ` bugzilla-daemon
2013-12-10 23:06 ` bugzilla-daemon
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From: bugzilla-daemon @ 2012-10-21 19:34 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=39612
--- Comment #5 from Linas <linas_fi@ymail.com> 2012-10-21 19:34:45 ---
Created an attachment (id=84211)
--> (https://bugzilla.kernel.org/attachment.cgi?id=84211)
Other Xorg log
Another failed Xorg log, this time without overflowing errors.
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* [Bug 39612] radeon blocks with new style fencing
2011-07-19 18:45 [Bug 39612] New: radeon blocks with new style fencing bugzilla-daemon
` (4 preceding siblings ...)
2012-10-21 19:34 ` bugzilla-daemon
@ 2013-12-10 23:06 ` bugzilla-daemon
2013-12-11 4:07 ` bugzilla-daemon
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From: bugzilla-daemon @ 2013-12-10 23:06 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=39612
Alan <alan@lxorguk.ukuu.org.uk> changed:
What |Removed |Added
----------------------------------------------------------------------------
Kernel Version|>= 2.6.37 |3.6.2
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* [Bug 39612] radeon blocks with new style fencing
2011-07-19 18:45 [Bug 39612] New: radeon blocks with new style fencing bugzilla-daemon
` (5 preceding siblings ...)
2013-12-10 23:06 ` bugzilla-daemon
@ 2013-12-11 4:07 ` bugzilla-daemon
2013-12-30 19:29 ` bugzilla-daemon
2014-01-06 9:20 ` bugzilla-daemon
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From: bugzilla-daemon @ 2013-12-11 4:07 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=39612
--- Comment #6 from Michel Dänzer <michel@daenzer.net> ---
Is this still an issue with current kernels and userspace stack?
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* [Bug 39612] radeon blocks with new style fencing
2011-07-19 18:45 [Bug 39612] New: radeon blocks with new style fencing bugzilla-daemon
` (6 preceding siblings ...)
2013-12-11 4:07 ` bugzilla-daemon
@ 2013-12-30 19:29 ` bugzilla-daemon
2014-01-06 9:20 ` bugzilla-daemon
8 siblings, 0 replies; 10+ messages in thread
From: bugzilla-daemon @ 2013-12-30 19:29 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=39612
--- Comment #7 from Linas <linas_fi@ymail.com> ---
I still have video problems, although causing a freeze at some random point*,
rather than a black screen after boot.
* Or you can make it deterministic by running something like
/usr/lib/xscreensaver/kumppa ;)
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* [Bug 39612] radeon blocks with new style fencing
2011-07-19 18:45 [Bug 39612] New: radeon blocks with new style fencing bugzilla-daemon
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2013-12-30 19:29 ` bugzilla-daemon
@ 2014-01-06 9:20 ` bugzilla-daemon
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From: bugzilla-daemon @ 2014-01-06 9:20 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=39612
--- Comment #8 from Michel Dänzer <michel@daenzer.net> ---
(In reply to Linas from comment #7)
> I still have video problems, although causing a freeze at some random
> point*, rather than a black screen after boot.
Are you sure it's still the same problem? Does no_wb=1 still work around it?
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