[Bug 43835] New: System crashes when radeon firmware blob (R520_cp.bin) is installed

[Bug 43835] New: System crashes when radeon firmware blob (R520_cp.bin) is installed

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=43835

             Bug #: 43835
           Summary: System crashes when radeon firmware blob (R520_cp.bin)
                    is installed
    Classification: Unclassified
           Product: DRI
           Version: XOrg CVS
          Platform: Other
               URL: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=65153
                    2
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: noelamac@gmail.com


Created attachment 54426
  --> https://bugs.freedesktop.org/attachment.cgi?id=54426
Logs ("dmesg" and "xorg.0.log" for kernels 3.2-rc4 and 3.1 with and without the
firmware installed)

1. Steps to reproduce the problem

Running Debian Wheezy, by installing the package "firmware-linux-nonfree" which
contains the firmware to enable 3D acceleration for the ATI card (M56P Radeon
Mobility X1600), when the system starts and user logins, the system crashes (no
specific action triggers the crash, is just about time to get it).

2. Symptoms

The user receives a "kernel oops" (kernel 3.1) or system hangs with a trace
(kernel 3.2-rc4) and system locks.

3. Tested kernels

The user has tested kernel 3.1 (Wheezy's stock kernel) and 3.2-rc4 (from
Debian's experimental branch). Both kernels expose the same result when
firmware is installed. On the other hand, both kernels work fine as soon as the
firmware package is unistalled.

4. Additional information

The crash has been tracked in Debian BTS #651532 (full link available in the
URL field).

5. Attached logs (4 files):

- "dmesg" and "Xorg.0.log" for kernels 3.2-rc4 and 3.1 when firmware is
installed.

- "dmesg" and "Xorg.0.log" for kernels 3.2-rc4 and 3.1 when firmware is not
installed.

6. Other considerations

Please, note that I am opening the this bug on behalf of another person who is
experiencing the crash. For this reason I'm CC'ing to him.

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[Bug 43835] System crashes when radeon firmware blob (R520_cp.bin) is installed

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https://bugs.freedesktop.org/show_bug.cgi?id=43835

--- Comment #1 from Alex Deucher <agd5f@yahoo.com> 2011-12-14 09:19:34 PST ---
In the future, please attach the dmesg and log files directly.  It looks like
it's a problem with acceleration (which is available without the firmware).  I
don't see any oops or backtraces in the logs.  Can you attach the oops or get a
picture of it?  

Does setting:
Option "NoAccel" "True"
in the device section of your xorg.conf fix the problem?

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[Bug 43835] System crashes when radeon firmware blob (R520_cp.bin) is installed

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--- Comment #2 from Alex Deucher <agd5f@yahoo.com> 2011-12-14 09:22:37 PST ---
which is NOT available without the firmware

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[Bug 43835] System crashes when radeon firmware blob (R520_cp.bin) is installed

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--- Comment #3 from Camaleón <noelamac@gmail.com> 2011-12-14 09:56:05 PST ---
(In reply to comment #1)
> In the future, please attach the dmesg and log files directly.  

Will do, sorry.

> It looks like it's a problem with acceleration (which is available without 
> the firmware).  I don't see any oops or backtraces in the logs.  Can you 
> attach the oops or get a picture of it?  

Kernel oops and backtrace are available at Debian bug. Direct links:

- Kernel 3.1

(syslog)
http://bugs.debian.org/cgi-bin/bugreport.cgi?msg=5;filename=20111209_syslog_kernel_oops.txt;att=1;bug=651532

(snapshot)
http://bugs.debian.org/cgi-bin/bugreport.cgi?msg=5;filename=20111209_snapshot_kernel_oops.jpg;att=4;bug=651532

- Kernel 3.2-rc4

(syslog)
http://bugs.debian.org/cgi-bin/bugreport.cgi?msg=21;filename=20111212_syslog_kernel_3_2_rc3;att=2;bug=651532

(snapshot)
http://bugs.debian.org/cgi-bin/bugreport.cgi?msg=21;filename=20111212_snapshot_kernel_trace.jpg;att=1;bug=651532

I can attach the files to this bug report if you find it convenient.

> Does setting:
> Option "NoAccel" "True"
> in the device section of your xorg.conf fix the problem?

I have asked the user to try with this option while having the firmware package
installed, will report back as soon as I get the results.

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[Bug 43835] System crashes when radeon firmware blob (R520_cp.bin) is installed

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--- Comment #4 from Camaleón <noelamac@gmail.com> 2011-12-15 00:49:15 PST ---
(In reply to comment #3)

> I have asked the user to try with this option while having the firmware package
> installed, will report back as soon as I get the results.

The user reported that both kernels do work (no crashes) with
"firmware-linux-nonfree" installed and using this "/etc/X11/xorg.conf" file:

***
Section "Device"
    Identifier  "ATI"
    Driver      "radeon"
    Option      "NoAccel" "True"
EndSection

Section "Screen"
    Identifier "Default Screen"
    DefaultDepth     24
EndSection
***

This effectively disables 3D acceleration (which means no "gnome-shell") but
the user hasn't experienced any further crash since yesterday.

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[Bug 43835] System crashes when radeon firmware blob (R520_cp.bin) is installed

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https://bugs.freedesktop.org/show_bug.cgi?id=43835

--- Comment #5 from Alex Deucher <agd5f@yahoo.com> 2011-12-15 07:29:00 PST ---
What version of the 3D driver is he using?  You might try a newer 3D driver
package.  Make sure he is using the r300 gallium driver (r300g).

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[Bug 43835] System crashes when radeon firmware blob (R520_cp.bin) is installed

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--- Comment #6 from Camaleón <noelamac@gmail.com> 2011-12-15 07:47:32 PST ---
(In reply to comment #5)
> What version of the 3D driver is he using?  

How could we check this?

> You might try a newer 3D driver package.  Make sure he is using the r300 
> gallium driver (r300g).

As he's on Debian Wheezy he has installed "libgl1-mesa-dri (7.11.1-1)" but not
sure if this tells you something.

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[Bug 43835] System crashes when radeon firmware blob (R520_cp.bin) is installed

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--- Comment #7 from Alex Deucher <agd5f@yahoo.com> 2011-12-15 08:43:49 PST ---
(In reply to comment #6)
> (In reply to comment #5)
> > What version of the 3D driver is he using?  
> 
> How could we check this?

Please attach the output of glxinfo.

> 
> > You might try a newer 3D driver package.  Make sure he is using the r300 
> > gallium driver (r300g).
> 
> As he's on Debian Wheezy he has installed "libgl1-mesa-dri (7.11.1-1)" but not
> sure if this tells you something.

Just need to find out if they are using the classic or gallium driver.

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[Bug 43835] System crashes when radeon firmware blob (R520_cp.bin) is installed

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--- Comment #8 from Alex Deucher <agd5f@yahoo.com> 2011-12-15 08:44:55 PST ---
Does the system hang if you remove the NoAccel option but don't load
gnome-shell?

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[Bug 43835] System crashes when radeon firmware blob (R520_cp.bin) is installed

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--- Comment #9 from Camaleón <noelamac@gmail.com> 2011-12-15 13:25:23 PST ---
Created attachment 54475
  --> https://bugs.freedesktop.org/attachment.cgi?id=54475
glxinfo

I'm attaching the full output of "glxinfo".

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[Bug 43835] System crashes when radeon firmware blob (R520_cp.bin) is installed

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--- Comment #10 from Camaleón <noelamac@gmail.com> 2011-12-15 13:28:13 PST ---
(In reply to comment #8)
> Does the system hang if you remove the NoAccel option but don't load
> gnome-shell?

Yes, the user has reported that by removing that option from "xorg.conf" file
and login into gnome fallback mode (now "gnome classical") the system hung.

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[Bug 43835] System crashes when radeon firmware blob (R520_cp.bin) is installed

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Alex Deucher <agd5f@yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #54475|application/octet-stream    |text/plain
          mime type|                            |
  Attachment #54475|0                           |1
           is patch|                            |

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[Bug 43835] System crashes when radeon firmware blob (R520_cp.bin) is installed

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--- Comment #11 from Alex Deucher <agd5f@yahoo.com> 2011-12-15 13:40:27 PST ---
(In reply to comment #9)
> Created attachment 54475 [details] [review]
> glxinfo
> 
> I'm attaching the full output of "glxinfo".

Unfortunately, you'll end up with the software 3D driver if you have
acceleration disabled.  You'll have to find out what debian uses on wheezy
(r300c vs. r300g).  However, if you still get hangs even without using 3D,
there seems to be a problem with acceleration in general on his system.

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[Bug 43835] System crashes when radeon firmware blob (R520_cp.bin) is installed

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--- Comment #12 from Camaleón <noelamac@gmail.com> 2011-12-16 00:01:15 PST ---
Created attachment 54487
  --> https://bugs.freedesktop.org/attachment.cgi?id=54487
glxinfo (with 3D enable)

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[Bug 43835] System crashes when radeon firmware blob (R520_cp.bin) is installed

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--- Comment #13 from Camaleón <noelamac@gmail.com> 2011-12-16 00:17:14 PST ---
(In reply to comment #11)

> Unfortunately, you'll end up with the software 3D driver if you have
> acceleration disabled.  

I have added the full output while 3D accel is enabled, hope this helps.

> You'll have to find out what debian uses on wheezy (r300c vs. r300g). 

I can't tell... maybe Jonathan can shed some light here :-)

> However, if you still get hangs even without using 3D, there seems to be a 
> problem with acceleration in general on his system.

Curious is that system runs stable (no hangs nor crashes) in gnome fallback
mode as soon as "firmware-linux-nonfree" package is removed as stated in #c1.

So what we have now is that system does not crash if:

1/ "firmware-linux-nonfree" package is not installed, or
2/ Option "NoAccel" "True" is set at xorg.conf

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[Bug 43835] System crashes when radeon firmware blob (R520_cp.bin) is installed

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--- Comment #14 from Jonathan Nieder <jrnieder@gmail.com> 2011-12-16 01:05:48 PST ---
Mesa in wheezy ships the gallium r300 driver on all Linux architectures.

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[Bug 43835] System crashes when radeon firmware blob (R520_cp.bin) is installed

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--- Comment #15 from Michel Dänzer <michel@daenzer.net> 2011-12-16 01:51:06 PST ---
(In reply to comment #13)
> 1/ "firmware-linux-nonfree" package is not installed, or
> 2/ Option "NoAccel" "True" is set at xorg.conf

These are mostly equivalent, as acceleration is not possible without the
microcode with KMS.

What might be interesting would be to try GNOME fallback mode with KMS disabled
(radeon.modeset=0) with and without firmware-linux-nonfree installed. Please
attach dmesg and Xorg.0.log for both cases again. (The r300g driver doesn't
work with KMS disabled)

BTW, does the GNOME fallback mode end up using the same window manager
(Metacity?) with and without acceleration being enabled?

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[Bug 43835] System crashes when radeon firmware blob (R520_cp.bin) is installed

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--- Comment #16 from Camaleón <noelamac@gmail.com> 2011-12-16 13:23:03 PST ---
(In reply to comment #15)
> (In reply to comment #13)
> > 1/ "firmware-linux-nonfree" package is not installed, or
> > 2/ Option "NoAccel" "True" is set at xorg.conf
> 
> These are mostly equivalent, as acceleration is not possible without the
> microcode with KMS.
> 
> What might be interesting would be to try GNOME fallback mode with KMS disabled
> (radeon.modeset=0) with and without firmware-linux-nonfree installed. Please
> attach dmesg and Xorg.0.log for both cases again. (The r300g driver doesn't
> work with KMS disabled)

The user reports that he has tried to disable KMS by all these means:

- Appending "nomodeset" to kernel line
- Appending "radeon.modeset=0" to the kernel line
- Appending "modeset=0" to the kernel line
- Blacklisting radeon module to avoid from loading

But all he gets is a system hang with the following message:

***
Could not update ICEautorithy file /var/lib/gdm3/.ICEauthority
Closing session
***

And that's all. He's now stuck at there, forced to load his MacOS X partition
in order to get the system up and running.

> BTW, does the GNOME fallback mode end up using the same window manager
> (Metacity?) with and without acceleration being enabled?

I don't know... anyhow, now I have to help the user to restore back his Debian
system to an operating state.

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[Bug 43835] System crashes when radeon firmware blob (R520_cp.bin) is installed

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--- Comment #17 from Lucas Stach <dev@lynxeye.de> 2011-12-16 14:48:58 PST ---
> But all he gets is a system hang with the following message:
> 
> ***
> Could not update ICEautorithy file /var/lib/gdm3/.ICEauthority
> Closing session
> ***

As far as I can tell this has nothing to do with graphics drivers. I hit this
too with my home partition improperly tagged for some changes in SELinux. It
seems to me this is more a problem of wrong file permissions.

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[Bug 43835] System crashes when radeon firmware blob (R520_cp.bin) is installed

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--- Comment #18 from Camaleón <noelamac@gmail.com> 2011-12-17 01:44:01 PST ---
(In reply to comment #17)

> As far as I can tell this has nothing to do with graphics drivers. I hit this
> too with my home partition improperly tagged for some changes in SELinux. It
> seems to me this is more a problem of wrong file permissions.

Yes, I know, but this problem was caused as a side effect when trying to
disable KMS. Anyway, the user can now again access normally to his system
(".ICEauthority" file was manually removed and automatically re-created).

We're ready to run for more tests but please, remember that we're not
developers but plain users, we need some guidance on the given steps.

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[Bug 43835] System crashes when radeon firmware blob (R520_cp.bin) is installed

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--- Comment #19 from Camaleón <noelamac@gmail.com> 2012-01-22 13:46:46 PST ---
The user still reports crashes with kernel 3.2.0-rc7-686-pae. I'm attaching the
involved files ("syslog" contains the kernel oops).

I can tell the user to run whatever tests you estimate convenient, he is very
interested in solving this because he can't use GNOME3 and gnome-shell at all
and has to work with no 3D acceleration.

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--- Comment #20 from Camaleón <noelamac@gmail.com> 2012-01-22 13:47:45 PST ---
Created attachment 55998
  --> https://bugs.freedesktop.org/attachment.cgi?id=55998
glxinfo

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--- Comment #21 from Camaleón <noelamac@gmail.com> 2012-01-22 13:48:12 PST ---
Created attachment 55999
  --> https://bugs.freedesktop.org/attachment.cgi?id=55999
dmesg

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--- Comment #22 from Camaleón <noelamac@gmail.com> 2012-01-22 13:49:03 PST ---
Created attachment 56000
  --> https://bugs.freedesktop.org/attachment.cgi?id=56000
syslog

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--- Comment #23 from Camaleón <noelamac@gmail.com> 2012-01-22 13:49:36 PST ---
Created attachment 56001
  --> https://bugs.freedesktop.org/attachment.cgi?id=56001
xorg.0.log

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[Bug 43835] System crashes when radeon firmware blob (R520_cp.bin) is installed

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--- Comment #24 from Jonathan Nieder <jrnieder@gmail.com> 2012-01-22 14:24:16 PST ---
bugzilla-daemon@freedesktop.org wrote:

> The user still reports crashes with kernel 3.2.0-rc7-686-pae. I'm attaching the
> involved files ("syslog" contains the kernel oops).

Summary of log: tests were performed on 22 January.

| 20:37:04 linux dbus[1320]: [system] Activating service
name='org.freedesktop.Accounts' (using servicehelper)
| 20:37:04 linux kernel: [  724.400329] dbus-daemon-lau: Corrupted page table
at address b817800c
| 20:37:04 linux kernel: [  724.400434] *pdpt = 0000000033666001 *pde =
fb274e7ffb274e81 
| 20:37:04 linux kernel: [  724.400530] Bad pagetable: 0009 [#1] SMP 
[... snipping list of modules linked in, because of line wrapping ...]
| 20:37:04 linux kernel: [  724.401727] Pid: 1815, comm: dbus-daemon-lau Not
tainted 3.2.0-rc7-686-pae #1 Apple Computer, Inc. iMac5,1/Mac-F4228EC8

The boot was at 20:36.  Maybe those 10 minutes came from NTP or
something.  Next boot:

| 20:41:33 linux dbus[1353]: [system] Activating service
name='org.freedesktop.Accounts' (using servicehelper)
| 20:41:33 linux dbus[1353]: [system] Successfully activated service
'org.freedesktop.Accounts'
| 20:41:33 linux accounts-daemon[2275]: started daemon version 0.6.15
| 20:41:34 linux kernel: [   41.669373] ssh: Corrupted page table at address
998f31c
| 20:41:34 linux kernel: [   41.669433] *pdpt = 000000002c80d001 *pde =
000000002f980067 *pte = ff192f4fff192f4f 
| 20:41:34 linux kernel: [   41.669502] Bad pagetable: 0009 [#1] SMP 
[...]
| 20:41:34 linux kernel: [   41.670989] Pid: 2279, comm: ssh Not tainted
3.2.0-rc7-686-pae #1 Apple Computer, Inc. iMac5,1/Mac-F4228EC8

Anyway, the page table seems to get corrupted when X starts.

Could you send a log from booting and starting X with drm.debug=6 on
the kernel command line?

Thanks,
Jonathan

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--- Comment #25 from Camaleón <noelamac@gmail.com> 2012-01-23 13:21:32 PST ---
Created attachment 56055
  --> https://bugs.freedesktop.org/attachment.cgi?id=56055
Dmesg with "drm.debug=6"

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--- Comment #26 from Camaleón <noelamac@gmail.com> 2012-01-23 13:22:08 PST ---
Created attachment 56056
  --> https://bugs.freedesktop.org/attachment.cgi?id=56056
Syslog with "drm.debug=6"

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--- Comment #27 from Camaleón <noelamac@gmail.com> 2012-01-23 13:25:10 PST ---
(In reply to comment #24)

> Could you send a log from booting and starting X with drm.debug=6 on
> the kernel command line?

I'm attaching "syslog" and "dmesg" with the above kernel option appended.
"Glxinfo" and "Xorg.0.log" seem to provide no additional information.

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--- Comment #28 from Jonathan Nieder <jrnieder@gmail.com> 2012-01-23 13:25:16 PST ---
bugzilla-daemon@freedesktop.org wrote:

> Dmesg with "drm.debug=6"

Hm, no page table corruption/crash this time?

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--- Comment #29 from Camaleón <noelamac@gmail.com> 2012-01-23 13:40:19 PST ---
(In reply to comment #28)
> bugzilla-daemon@freedesktop.org wrote:
> 
> > Dmesg with "drm.debug=6"
> 
> Hm, no page table corruption/crash this time?

I neither see a kernel oops at the "syslog". I just have asked the user if the
system crashed this time again.

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--- Comment #30 from Camaleón <noelamac@gmail.com> 2012-01-23 23:58:35 PST ---
(In reply to comment #29)

> I neither see a kernel oops at the "syslog". I just have asked the user if the
> system crashed this time again.

The user reported that system crashed after a while.

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--- Comment #31 from Jonathan Nieder <jrnieder@gmail.com> 2012-01-24 00:00:35 PST ---
bugzilla-daemon@freedesktop.org wrote:

> The user reported that system crashed after a while.

Interesting --- so it sounds like there is a random element to this,
too.  Can we have a log of the crash, please?

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--- Comment #32 from Camaleón <noelamac@gmail.com> 2012-01-24 01:16:03 PST ---
(In reply to comment #31)
> bugzilla-daemon@freedesktop.org wrote:
> 
> > The user reported that system crashed after a while.
> 
> Interesting --- so it sounds like there is a random element to this,
> too.  Can we have a log of the crash, please?

I have asked the user for it. He will have to wait until the system locks.

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--- Comment #33 from Camaleón <noelamac@gmail.com> 2012-01-25 09:16:12 PST ---
(In reply to comment #32)
> (In reply to comment #31)
> > bugzilla-daemon@freedesktop.org wrote:
> > 
> > > The user reported that system crashed after a while.
> > 
> > Interesting --- so it sounds like there is a random element to this,
> > too.  Can we have a log of the crash, please?
> 
> I have asked the user for it. He will have to wait until the system locks.

Sorry for the delay (the user was a bit busy fighting against his "VAT taxes").

I'm attaching the syslog for the kernel oops (starts at line "3911"). Any hint
to bypass this crash would be very welcome, the user is going nuts with this
issue :-(

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--- Comment #34 from Camaleón <noelamac@gmail.com> 2012-01-25 09:17:55 PST ---
Created attachment 56153
  --> https://bugs.freedesktop.org/attachment.cgi?id=56153
Syslog with "drm.debug=6" + call trace

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--- Comment #35 from Jonathan Nieder <jrnieder@gmail.com> 2012-01-25 09:37:29 PST ---
bugzilla-daemon@freedesktop.org wrote:

> Syslog with "drm.debug=6" + call trace

Summary follows.  Log is from 25 January.

 15:55 bootup
 15:55 [after 22 seconds] drm driver loads
 15:55 [after 27 seconds] consolekit loads
 15:55 [after 33 or so seconds] modesetting again
 15:55 [after 39 seconds] gdm startup (this is where it crashed previously)
 16:34 [2344 seconds]:

| radeon 0000:01:00.0: GPU lockup CP stall for more than 10000msec
| ------------[ cut here ]------------
| WARNING: at [...]/drivers/gpu/drm/radeon/radeon_fence.c:267
radeon_fence_wait+0x22e/0x298 [radeon]()
| Hardware name: iMac5,1
| GPU lockup (waiting for 0x0003A3C8 last fence id 0x0003A3C7)
| Modules linked in: hid_magicmouse hidp michael_mic arc4 pci_stub vboxpci(O)
vboxnetadp(O) vboxnetflt(O) vboxdrv(O) acpi_cpufreq mperf cpufreq_stats
cpufreq_conservative cpufreq_powersave cpufreq_userspace parport_pc ppdev lp
parport bnep rfcomm binfmt_misc promethean(O) fuse nfsd nfs lockd fscache
auth_rpcgss nfs_acl sunrpc uvcvideo videodev media ssb mmc_core pcmcia
pcmcia_core ndiswrapper(O) loop firewire_sbp2 ir_lirc_codec rc_avermedia_m135a
lirc_dev mxl5005s cryptd aes_i586 aes_generic ir_mce_kbd_decoder af9013 ecb
btusb ir_sony_decoder bluetooth rfkill ir_jvc_decoder ir_rc6_decoder
ir_rc5_decoder isight_firmware dvb_usb_af9015 dvb_usb dvb_core ir_nec_decoder
rc_core uas hid_apple usb_storage snd_hda_codec_idt lib80211_crypt_tkip usbhid
hid wl(P) snd_hda_intel snd_hda_codec radeon snd_hwdep snd_pcm snd_seq
snd_timer snd_seq_device ttm drm_kms_helper drm snd i2c_algo_bit i2c_i801
soundcore applesmc i2c_core snd_page_alloc power_supply iTCO_wdt
iTCO_vendor_support 
| processor input_polldev evdev pcspkr lib80211 thermal_sys apple_bl button
ext4 mbcache jbd2 crc16 sr_mod cdrom sd_mod crc_t10dif ata_generic
firewire_ohci uhci_hcd firewire_core crc_itu_t ata_piix libata ehci_hcd sky2
usbcore scsi_mod [last unloaded: scsi_wait_scan]
| Pid: 1515, comm: Xorg Tainted: P           O 3.1.0-1-686-pae #1
| Call Trace:
|  [<c1037698>] ? warn_slowpath_common+0x68/0x79
|  [<f88b3ffe>] ? radeon_fence_wait+0x22e/0x298 [radeon]
|  [<c1037711>] ? warn_slowpath_fmt+0x29/0x2d
|  [<f88b3ffe>] ? radeon_fence_wait+0x22e/0x298 [radeon]
|  [<c104cf51>] ? add_wait_queue+0x30/0x30
|  [<f872521f>] ? ttm_bo_wait+0xa6/0x153 [ttm]
|  [<f88c32b6>] ? radeon_bo_wait+0x59/0x77 [radeon]
|  [<f88c3719>] ? radeon_gem_wait_idle_ioctl+0x2a/0x50 [radeon]
|  [<f87aedc9>] ? drm_ioctl+0x224/0x2dd [drm]
|  [<f88c36ef>] ? radeon_gem_busy_ioctl+0x6b/0x6b [radeon]
|  [<c10110cc>] ? restore_i387_fxsave+0x63/0x70
|  [<f87aeba5>] ? drm_copy_field+0x47/0x47 [drm]
|  [<c10d33d2>] ? do_vfs_ioctl+0x459/0x48f
|  [<c1011a89>] ? restore_i387_xstate+0x16c/0x1a3
|  [<c10adf54>] ? mmap_region+0x2ef/0x3b7
|  [<c104334d>] ? recalc_sigpending+0x1f/0x2f
|  [<c10d344c>] ? sys_ioctl+0x44/0x68
|  [<c12b2ddf>] ? sysenter_do_call+0x12/0x28
| ---[ end trace 6b5e1f4e74986b70 ]---
| radeon: wait for empty RBBM fifo failed ! Bad things might happen.
| Failed to wait GUI idle while programming pipes. Bad things might happen.
| radeon 0000:01:00.0: (rs600_asic_reset:348) RBBM_STATUS=0xB4116100
| radeon 0000:01:00.0: (rs600_asic_reset:367) RBBM_STATUS=0x94010140
| radeon 0000:01:00.0: (rs600_asic_reset:375) RBBM_STATUS=0x94000140
| radeon 0000:01:00.0: (rs600_asic_reset:383) RBBM_STATUS=0x94000140
| radeon 0000:01:00.0: restoring config space at offset 0x1 (was 0x100403,
writing 0x100407)
| radeon 0000:01:00.0: failed to reset GPU
| radeon 0000:01:00.0: GPU reset failed
| BUG: unable to handle kernel paging request at f8982990

This is Debian kernel 3.1.8-2 (close to upstream v3.1.8).  I don't see
any page table corruption this time.

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[Bug 43835] System crashes when radeon firmware blob (R520_cp.bin) is installed

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--- Comment #36 from Alex Deucher <agd5f@yahoo.com> 2012-01-25 09:54:47 PST ---
It's a GPU lockup.  Unfortunately, they tend to be really hard to track down. 
You might try a newer ddx or mesa.

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--- Comment #37 from Camaleón <noelamac@gmail.com> 2012-01-25 10:10:06 PST ---
(In reply to comment #36)
> It's a GPU lockup.  Unfortunately, they tend to be really hard to track down. 
> You might try a newer ddx or mesa.

We're open to test anything, whatever... but I don't really know what kind of
test to suggest to the user, I'm stuck at this point. All we know for sure is
that by simply removing the firmware blob it makes the system to run stable but
the user needs to have 3D acceleration, otherwise gnome-shell can't run.

How could we test a new ddx (sorry to ask but, what's that? :-?) or an udpated
mesa without breaking many things?

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[Bug 43835] System crashes when radeon firmware blob (R520_cp.bin) is installed

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--- Comment #38 from Jonathan Nieder <jrnieder@gmail.com> 2012-01-25 10:17:22 PST ---
bugzilla-daemon@freedesktop.org wrote:

> How could we test a new ddx (sorry to ask but, what's that? :-?) or an udpated
> mesa without breaking many things?

http://pkg-xorg.alioth.debian.org/reference/squeeze-backports.html

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--- Comment #39 from Camaleón <noelamac@gmail.com> 2012-01-25 10:35:48 PST ---
(In reply to comment #38)
> bugzilla-daemon@freedesktop.org wrote:
> 
> > How could we test a new ddx (sorry to ask but, what's that? :-?) or an udpated
> > mesa without breaking many things?
> 
> http://pkg-xorg.alioth.debian.org/reference/squeeze-backports.html

Thanks! But... mmmm... the use runs "wheezy" which I guess includes an updated
version of the packages (btw, what are the packages we would need to update?),
so I don't see the point for getting them from backports.

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--- Comment #40 from Jonathan Nieder <jrnieder@gmail.com> 2012-01-25 10:41:38 PST ---
bugzilla-daemon@freedesktop.org wrote:

> Thanks! But... mmmm... the use runs "wheezy" which I guess includes an updated
> version of the packages (btw, what are the packages we would need to update?),
> so I don't see the point for getting them from backports.

Whoops, sorry, I should have remembered.

Mesa is libgl1-mesa-dri and libgl1-mesa-glx.  The DDX driver is[1]
xserver-xorg-video-radeon and libdrm-radeon1, I suppose.  One can get
fairly recent versions of most packages from sid or experimental.

[1] http://www.x.org/wiki/Development/Documentation/Glossary

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--- Comment #41 from Camaleón <noelamac@gmail.com> 2012-01-25 10:56:22 PST ---
(In reply to comment #40)

> Mesa is libgl1-mesa-dri and libgl1-mesa-glx.  The DDX driver is[1]
> xserver-xorg-video-radeon and libdrm-radeon1, I suppose.  One can get
> fairly recent versions of most packages from sid or experimental.
> 
> [1] http://www.x.org/wiki/Development/Documentation/Glossary

Okay, thanks... wheezy and sid share the same versions of the mentioned
packages:

libgl1-mesa-glx (7.11.2-1) 
libgl1-mesa-glx (7.11.2-1 and others) 

xserver-xorg-video-radeon (1:6.14.3-2) 
xserver-xorg-video-radeon (1:6.14.3-2 and others) 

And I can't tell the user to update from experimental, it's too dangerous.
Anyway, I understand bugzilla is not the best place to discuss this support
things (though I thank your efforts, Jonathan and Xorg people) :-)

I have finally to surrender. If anyone thinks on anything we can try, you can
contact directly to me or add the information here. I leave this bug status at
your (@xorg devels) consideration.

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--- Comment #42 from Jonathan Nieder <jrnieder@gmail.com> 2012-01-25 10:57:27 PST ---
Jonathan Nieder wrote:

>                                                           One can get
> fairly recent versions of most packages from sid or experimental.

Though at the moment they all match wheezy:

 mesa 7.11.2
 libdrm 2.4.30
 xf86-video-ati 6.14.3

It should be possible to provide instructions to test a snapshot.
Which component in particular has interesting recent changes?

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--- Comment #43 from Jonathan Nieder <jrnieder@gmail.com> 2012-01-25 12:39:49 PST ---
bugzilla-daemon@freedesktop.org wrote:

> I have finally to surrender. If anyone thinks on anything we can try, you can
> contact directly to me or add the information here.

Ok, just to fill in the blanks: was this a regression?  Was there a
kernel or X or GNOME upgrade before which the system worked fine and
after which it broke?

X devs: it looks like there are two sets of symptoms here ---
sometimes there are GPU lockups, and other times (e.g., the syslog
from 2012-01-22) page table corruption with no obvious trouble before
that.  Questions:

 - is there any simple way to figure out what exactly is causing the
   regression?  E.g., after starting X without accelaration can we
   explicitly provoke whatever caused trouble?

 - is it normal that after a lockup the GPU fails to reset?  Even if
   the GPU lockup itself is not well understood, is that later failure
   fixable?

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--- Comment #44 from Camaleón <noelamac@gmail.com> 2012-01-25 23:41:02 PST ---
(In reply to comment #42)

> Ok, just to fill in the blanks: was this a regression?  Was there a
> kernel or X or GNOME upgrade before which the system worked fine and
> after which it broke?

The problem started at some point between the migration from kernel
2.6.38/2.6.39 (in late November 2011) to 3.0.x and have continued until now
(3.1.x).

I don't think this is a kernel issue but a package update because every kernel
he has tried since then crashes in the same way. What package exactly started
to make noise? I can't tell.

For example, the user reported this trace in November 27th, 2011. He kept
kernel 2.6.38 because since kernel 3.0 his system became completely unstable
with crashes every day. After trying with more updated kernels, the crashes
persisted so while performing several system reinstalls he discovered a
pattern, the source of the problem: inestability came as soon as he installed
the radeon firmware and enabled acceleration regardless the kernel version.

Kernel failure message 1:
------------[ cut here ]------------
WARNING: at
/build/buildd-linux-2.6_2.6.38-5~bpo60+1-i386-B7LqDK/linux-2.6-2.6.38/debian/build/source_i386_none/drivers/gpu/drm/radeon/radeon_fence.c:248
radeon_fence_wait+0x251/0x2d7 [radeon]()
Hardware name: iMac5,1
GPU lockup (waiting for 0x0000083B last fence id 0x00000836)
Modules linked in: hid_magicmouse nls_utf8 isofs nls_cp437 udf vfat
fat hidp acpi_cpufreq mperf cpufreq_conservative cpufreq_powersave
cpufreq_userspace cpufreq_stats parport_pc ppdev lp parport sco bridge
stp bnep rfcomm l2cap nfsd lockd nfs_acl auth_rpcgss sunrpc exportfs
binfmt_misc fuse ssb mmc_core pcmcia pcmcia_core loop firewire_sbp2
snd_hda_codec_idt snd_hda_intel btusb bluetooth rfkill radeon
snd_hda_codec snd_hwdep snd_pcm ttm snd_seq snd_timer drm_kms_helper
snd_seq_device drm i2c_algo_bit applesmc power_supply snd
input_polldev button processor video soundcore snd_page_alloc i2c_i801
rng_core i2c_core isight_firmware ndiswrapper(O) pcspkr tpm_tis tpm
tpm_bios thermal_sys hid_apple evdev usb_storage uas usbhid hid ext4
mbcache jbd2 crc16 sg sr_mod cdrom sd_mod crc_t10dif ata_generic
uhci_hcd ata_piix libata ehci_hcd scsi_mod usbcore firewire_ohci
firewire_core sky2 crc_itu_t nls_base [last unloaded: scsi_wait_scan]
Pid: 1340, comm: Xorg Tainted: P        W  O 2.6.38-bpo.2-686 #1
Call Trace:
 [<c102fa51>] ? warn_slowpath_common+0x6a/0x7b
 [<f8523b4d>] ? radeon_fence_wait+0x251/0x2d7 [radeon]
 [<c102fac8>] ? warn_slowpath_fmt+0x28/0x2c
 [<f8523b4d>] ? radeon_fence_wait+0x251/0x2d7 [radeon]
 [<c1044d66>] ? autoremove_wake_function+0x0/0x29
 [<f82844bf>] ? ttm_bo_wait+0xad/0x135 [ttm]
 [<f853505d>] ? radeon_bo_wait+0x5e/0x7c [radeon]
 [<f85350a2>] ? radeon_gem_wait_idle_ioctl+0x27/0x50 [radeon]
 [<f82affa4>] ? drm_ioctl+0x224/0x2d5 [drm]
 [<f853507b>] ? radeon_gem_wait_idle_ioctl+0x0/0x50 [radeon]
 [<c10a3b97>] ? handle_pte_fault+0x2c5/0x80f
 [<c11458f8>] ? prio_tree_insert+0x150/0x1cc
 [<f82afd80>] ? drm_ioctl+0x0/0x2d5 [drm]
 [<c10c8fb4>] ? do_vfs_ioctl+0x494/0x4df
 [<c10a7483>] ? mmap_region+0x328/0x3fb
 [<c10c9043>] ? sys_ioctl+0x44/0x64
 [<c1002f1f>] ? sysenter_do_call+0x12/0x28
---[ end trace 4d111c5bd88900e9 ]---

In brief, the last good-known configuration that worked fine with 3D
acceleration enabled was kernel 2.6.38/2.6.39 and GNOME 2 (metacity).

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[Bug 43835] System crashes when radeon firmware blob (R520_cp.bin) is installed

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https://bugs.freedesktop.org/show_bug.cgi?id=43835

--- Comment #45 from Alex Deucher <agd5f@yahoo.com> 2012-01-26 05:59:43 PST ---
Can you narrow down the packages and bisect?  Unfortunately, I can't reproduce
this on any of the 5xx cards I have access to.

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[Bug 43835] System crashes when radeon firmware blob (R520_cp.bin) is installed

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--- Comment #46 from Jonathan Nieder <jrnieder@gmail.com> 2012-01-26 10:18:08 PST ---
bugzilla-daemon@freedesktop.org wrote:

> Can you narrow down the packages and bisect?  Unfortunately, I can't reproduce
> this on any of the 5xx cards I have access to.

If I understand correctly, there is no known-good version of the X/kernel
stack, but the regression the user experienced came with the upgrade to
GNOME 3.

Please forgive my ignorance: is it possible to (temporarily) configure
GNOME 3 not to take advantage of accelaration, or to start X without
starting a GNOME session?  That might be interesting, since then it
might be possible to find some other simpler application that
reproduces the same trouble and helps pinpoint what is provoking
trouble from that end.

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[Bug 43835] System crashes when radeon firmware blob (R520_cp.bin) is installed

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--- Comment #47 from Michel Dänzer <michel@daenzer.net> 2012-02-02 04:04:31 PST ---
How are the LVDS and DVI displays arranged in the session? Can you attach the
output of xrandr?

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[Bug 43835] System crashes when radeon firmware blob (R520_cp.bin) is installed

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--- Comment #48 from Camaleón <noelamac@gmail.com> 2012-02-02 06:23:13 PST ---
Created attachment 56518
  --> https://bugs.freedesktop.org/attachment.cgi?id=56518
Output of "xrandr"

In reply to comment #47, I'm attaching the output of "xrandr".

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[Bug 43835] System crashes when radeon firmware blob (R520_cp.bin) is installed

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--- Comment #49 from Michel Dänzer <michel@daenzer.net> 2012-02-02 06:36:30 PST ---
The kernel DESKTOP_HEIGHT fix from bug 43835 might help for the GPU lockups.

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[Bug 43835] System crashes when radeon firmware blob (R520_cp.bin) is installed

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--- Comment #50 from Michel Dänzer <michel@daenzer.net> 2012-02-02 06:36:59 PST ---
Argh, I mean bug 45329.

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[Bug 43835] System crashes when radeon firmware blob (R520_cp.bin) is installed

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--- Comment #51 from Camaleón <noelamac@gmail.com> 2012-02-02 08:34:48 PST ---
(In reply to comment #50)
> Argh, I mean bug 45329.

Thank you, we can do try... what would be the "easy peasy" way to go for it?
Mainline kernel 3.3-rc2 contains the mentioned patches? Are there any other
packages involved? By reading bug's #45329 comment 9 looks like
"xf86-video-ati" also needs to be patched :-?

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[Bug 43835] System crashes when radeon firmware blob (R520_cp.bin) is installed

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--- Comment #52 from Michel Dänzer <michel@daenzer.net> 2012-02-02 08:57:40 PST ---
(In reply to comment #51)
> Mainline kernel 3.3-rc2 contains the mentioned patches?

No. You can try the drm-fixes branch of
git://people.freedesktop.org/~airlied/linux.git, but it should be easy to
manually apply the patch to any 3.x tree.

> Are there any other packages involved?

No.

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[Bug 43835] System crashes when radeon firmware blob (R520_cp.bin) is installed

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--- Comment #53 from Jonathan Nieder <jrnieder@gmail.com> 2012-02-09 17:55:11 PST ---
(In reply to comment #51)
> Mainline kernel 3.3-rc2 contains the mentioned patches?

3.3-rc3 does.

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[Bug 43835] System crashes when radeon firmware blob (R520_cp.bin) is installed

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--- Comment #54 from Camaleón <noelamac@gmail.com> 2012-02-12 03:24:44 PST ---
(In reply to comment #53)
> (In reply to comment #51)
> > Mainline kernel 3.3-rc2 contains the mentioned patches?
> 
> 3.3-rc3 does.

Thanks for the pointer.

The user still reports crashes with the latest mainline kernel (3.3-rc3). I'm attaching the logs, though I can't see any error or kernel trace on them.

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[Bug 43835] System crashes when radeon firmware blob (R520_cp.bin) is installed

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--- Comment #55 from Camaleón <noelamac@gmail.com> 2012-02-12 03:26:18 PST ---
Created attachment 56910
  --> https://bugs.freedesktop.org/attachment.cgi?id=56910
dmesg with kernel 3.3-rc3

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[Bug 43835] System crashes when radeon firmware blob (R520_cp.bin) is installed

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--- Comment #56 from Camaleón <noelamac@gmail.com> 2012-02-12 03:27:00 PST ---
Created attachment 56911
  --> https://bugs.freedesktop.org/attachment.cgi?id=56911
syslog with kernel 3.3-rc3

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[Bug 43835] System crashes when radeon firmware blob (R520_cp.bin) is installed

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https://bugs.freedesktop.org/show_bug.cgi?id=43835

--- Comment #57 from Camaleón <noelamac@gmail.com> 2012-02-12 03:27:40 PST ---
Created attachment 56912
  --> https://bugs.freedesktop.org/attachment.cgi?id=56912
Xorg.0.log with kernel 3.3-rc3

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[Bug 43835] System crashes when radeon firmware blob (R520_cp.bin) is installed

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[-- Attachment #1.1: Type: text/plain, Size: 805 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=43835

Martin Peres <martin.peres@free.fr> changed:

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

--- Comment #58 from Martin Peres <martin.peres@free.fr> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
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You can subscribe and participate further through the new bug through this link
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