[Bug 55006] New: video playback causes total freeze on RV350

[Bug 55006] New: video playback causes total freeze on RV350

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https://bugs.freedesktop.org/show_bug.cgi?id=55006

             Bug #: 55006
           Summary: video playback causes total freeze on RV350
    Classification: Unclassified
           Product: DRI
           Version: XOrg CVS
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: DRM/Radeon
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: spamfang1199@yahoo.de


Video playback and switching between tabs while browsing often leads to total
freeze of my system. Even the magic SysRQ keys wont work then.

steps to reproduce:
Watching movies with vlc, or switching between tabs is often enough to freeze
the system.

It all started with introducing KernelModeSetting to Linux. This bug has been
affecting me since i upgraded from Debian Lenny to Squeeze and thus to Kernel
2.6.32. I could avoid that bug however by adding "radeon.modeset=0" at the boot
prompt from 2.6.32.

Now with Linux 3.2 even passing "radeon.modeset=0" at the boot prompt does not
work any more for me. 

I reported the bug to Debian and they told me to try Linux 3.5, which also
freezes often. For reference here is the link to my bug report:

http://bugs.debian.org/680097 

This is a very serious regression for my RV350 and causes file system
corruption & data loss (for my work progress)

I cannot add a log from the freeze, since nothing gets logged then. If you know
a way i could give you one, let me know.

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[Bug 55006] video playback causes total freeze on RV350

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https://bugs.freedesktop.org/show_bug.cgi?id=55006

--- Comment #1 from spamfang1199@yahoo.de 2012-09-17 10:50:33 UTC ---
Created attachment 67273
  --> https://bugs.freedesktop.org/attachment.cgi?id=67273
logs from an affected boot right after a crash and a reboot

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[Bug 55006] video playback causes total freeze on RV350

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https://bugs.freedesktop.org/show_bug.cgi?id=55006

spamfang1199@yahoo.de changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|medium                      |high

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[Bug 55006] video playback causes total freeze on RV350

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https://bugs.freedesktop.org/show_bug.cgi?id=55006

--- Comment #2 from Alex Deucher <agd5f@yahoo.com> 2012-09-17 13:19:25 UTC ---
Make sure you install the firmware nonfree package for debian.

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[Bug 55006] video playback causes total freeze on RV350

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--- Comment #3 from Michel Dänzer <michel@daenzer.net> 2012-09-17 14:31:45 UTC ---
Does radeon.agpmode=-1 on the kernel command line help?

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[Bug 55006] video playback causes total freeze on RV350

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https://bugs.freedesktop.org/show_bug.cgi?id=55006

--- Comment #4 from spamfang1199@yahoo.de 2012-09-18 17:06:14 UTC ---
Firmware linux-free & non-free are installed.

I tested Linux 3.2 again, this time with radeon.agpmode=-1. It seems to work
for me. I put the machine under heavy load and played several vids at the same
time: no freeze so far.

So what do you guess the problem is? And in case you solve the bug, could you
backport it to Linux 3.2 too?

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[Bug 55006] video playback causes total freeze on RV350

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--- Comment #5 from Alex Deucher <agd5f@yahoo.com> 2012-09-18 17:10:24 UTC ---
(In reply to comment #4)
> Firmware linux-free & non-free are installed.
> 
> I tested Linux 3.2 again, this time with radeon.agpmode=-1. It seems to work
> for me. I put the machine under heavy load and played several vids at the same
> time: no freeze so far.
> 
> So what do you guess the problem is? And in case you solve the bug, could you
> backport it to Linux 3.2 too?

AGP seems to be unstable on your system.  Setting radeon.agpmode=-1 should work
on older kernels as well.  You might also try setting other values for agpmode.
 Try values 1, 2, 4, or 8 and see if any work for you and if so we can add a
quirk for your system.

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[Bug 55006] video playback causes total freeze on RV350

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--- Comment #6 from spamfang1199@yahoo.de 2012-09-19 10:32:29 UTC ---
Created attachment 67371
  --> https://bugs.freedesktop.org/attachment.cgi?id=67371
next row of crashes

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[Bug 55006] video playback causes total freeze on RV350

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--- Comment #7 from spamfang1199@yahoo.de 2012-09-19 10:32:49 UTC ---
Sorry my cheers about radeon.agpmode=-1 came too early. I did some more testing
and the results are these:

radeon.agpmode=-1 freeze
radeon.agpmode= 1 freeze
radeon.agpmode= 2 freeze
radeon.agpmode= 4 freeze
radeon.agpmode= 8 invalid mode, kernel leaves it at 4

I add another logfile to this comment. It contains all the crashes from my
agpmode tryouts. I hope this may help you somehow.

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[Bug 55006] video playback causes total freeze on RV350

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https://bugs.freedesktop.org/show_bug.cgi?id=55006

--- Comment #8 from spamfang1199@yahoo.de ---
Another thing which might be helpful in finding the bug might be this:

When i add radeon.agpmode=-1 to the kernel 2.6.32 commandline, the system shows
the same freeze behaviour as with 3.2 and 3.5, BUT it stays freezed only for a
few seconds, then continues to operate normally.

For that reason i am using radeon.modeset=0 (with kernel 2.6.32), which does
not lead to these short time freezes.

Please fix this serious regression. I dont want to buy new hardware.

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[Bug 55006] video playback causes total freeze on RV350

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https://bugs.freedesktop.org/show_bug.cgi?id=55006

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

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

--- Comment #9 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
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/drm/amd/issues/301.

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