[Bug 20042] New: r300 Penumbra Overture complete hang 2.6.35/36-rc6

[Bug 20042] New: r300 Penumbra Overture complete hang 2.6.35/36-rc6

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=20042

           Summary: r300 Penumbra Overture complete hang 2.6.35/36-rc6
           Product: Drivers
           Version: 2.5
    Kernel Version: 2.6.35, 2.6.36-rc6
          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: pj_beers@hotmail.com
        Regression: No


Created an attachment (id=33072)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=33072)
dmesg with 2.6.36-rc7

I'm experiencing a hard lock (i.e., no magic SysRq) after playing 
Penumbra Overture for about a minute on my ThinkPad t43p with kernel 
2.6.35 / 2.6.36-rc3. I'm using KMS. 2.6.34 works fine. I didn't test 
thoroughly with 2.6.35. With 2.6.36-rc3, I did not mess with any of the 
new power savings settings. I'm not using any xorg.conf, I'm using KMS. Without
KMS the problem does not occur. 2.6.34 is the last kernel that worked with KMS.

Some more info:
lspci says: ATI Technologies Inc M24GL [Mobility FireGL V3200] (rev 80)
System info: Slackware 13.1, Mesa 7.8.1, Xserver 1.7.7.

I did try other versions of mesa (including Gallium3D), but that did not make a
difference. Furthermore, I tried to bisect this problem, but ended up within
the range of 2.6.34-rc's, so I don't think that provided any help in this case.

I also wrote to dri-devel about this problem, but received no reply. I then
went to the radeon IRC-channel, where I was told that these complete hangs are
very hard to debug, but that it would help to have a Bugzilla report. I wasn't
sure whether or not to report this as a regression, so I chose not to. Please
correct me if I'm wrong!

I've attached some info that I hope might help, i.e. dmesg, Xorg.log and kernel
config for both kernel 2.6.34.7 (working) and 2.6.36-rc7 (not working).

In closing--I'd really like this problem to be solved, and I'd very much 
like to help out as much as I can.

Regards,

PJ

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[Bug 20042] r300 Penumbra Overture complete hang 2.6.35/36-rc6

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https://bugzilla.kernel.org/show_bug.cgi?id=20042





--- Comment #1 from PJBrs <pj_beers@hotmail.com>  2010-10-10 19:39:37 ---
Created an attachment (id=33082)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=33082)
dmesg with 2.6.34.7

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[Bug 20042] r300 Penumbra Overture complete hang 2.6.35/36-rc6

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https://bugzilla.kernel.org/show_bug.cgi?id=20042





--- Comment #2 from PJBrs <pj_beers@hotmail.com>  2010-10-10 19:42:04 ---
Created an attachment (id=33092)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=33092)
kernel config 2.6.36-rc7

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[Bug 20042] r300 Penumbra Overture complete hang 2.6.35/36-rc6

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--- Comment #3 from PJBrs <pj_beers@hotmail.com>  2010-10-10 19:42:38 ---
Created an attachment (id=33102)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=33102)
kernel config 2.6.34.7

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[Bug 20042] r300 Penumbra Overture complete hang 2.6.35/36-rc6

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--- Comment #4 from PJBrs <pj_beers@hotmail.com>  2010-10-10 19:43:15 ---
Created an attachment (id=33112)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=33112)
Xorg.log with kernel 2.6.36-rc7

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[Bug 20042] r300 Penumbra Overture complete hang 2.6.35/36-rc6

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--- Comment #5 from PJBrs <pj_beers@hotmail.com>  2010-10-10 19:43:48 ---
Created an attachment (id=33122)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=33122)
Xorg.log with kernel 2.6.34.7

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[Bug 20042] r300 Penumbra Overture complete hang 2.6.35/36-rc6

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https://bugzilla.kernel.org/show_bug.cgi?id=20042


PJBrs <pj_beers@hotmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #33112|application/octet-stream    |text/plain
          mime type|                            |




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[Bug 20042] r300 Penumbra Overture complete hang 2.6.35/36-rc6

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https://bugzilla.kernel.org/show_bug.cgi?id=20042


PJBrs <pj_beers@hotmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #33102|application/octet-stream    |text/plain
          mime type|                            |




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[Bug 20042] r300 Penumbra Overture complete hang 2.6.35/36-rc6

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https://bugzilla.kernel.org/show_bug.cgi?id=20042


PJBrs <pj_beers@hotmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #33092|application/octet-stream    |text/plain
          mime type|                            |




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[Bug 20042] r300 Penumbra Overture complete hang 2.6.35/36-rc6

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PJBrs <pj_beers@hotmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #33082|application/octet-stream    |text/plain
          mime type|                            |




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[Bug 20042] r300 Penumbra Overture complete hang 2.6.35/36-rc6

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PJBrs <pj_beers@hotmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #33072|application/octet-stream    |text/plain
          mime type|                            |




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[Bug 20042] r300 Penumbra Overture complete hang 2.6.35/36-rc6

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ghepeu@virgilio.it changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |ghepeu@virgilio.it




--- Comment #6 from ghepeu@virgilio.it  2010-10-10 21:54:35 ---
It could be this bug: https://bugs.freedesktop.org/show_bug.cgi?id=29389

The last 2.6.36 RCs should already have the 'poll' parameter.

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--- Comment #7 from PJBrs <pj_beers@hotmail.com>  2010-10-11 07:57:10 ---
I'll test with the poll parameter tonight. Thanks for notifying me!

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--- Comment #8 from PJBrs <pj_beers@hotmail.com>  2010-10-11 18:45:03 ---
Tested with drm_kms_helper.poll=0 and the problem is gone, thanks! 

I tried to mark this report a duplicate, then I noticed the other is for
freedesktop, not for the kernel. I'll leave this report open as well, as a
record. Also; is there anything else I can do to help solve this bug? I'd like
to help out, even though I cannot code.

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[Bug 20042] r300 Penumbra Overture complete hang 2.6.35/36-rc6

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PJBrs <pj_beers@hotmail.com> changed:

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




--- Comment #9 from PJBrs <pj_beers@hotmail.com>  2010-11-20 21:36:59 ---
I tried running Penumbra Overture with 2.6.37-rc1 and the problem appears to be
gone! I'm very happy. Is there any chance that the associated patch might also
be added to the stable branches of 2.6.35 and 2.6.36?

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