[Bug 16191] New: kernel upgrade breaks 3D-graphics (glxgears is black, sometimes flickers)

[Bug 16191] New: kernel upgrade breaks 3D-graphics (glxgears is black, sometimes flickers)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=16191

           Summary: kernel upgrade breaks 3D-graphics (glxgears is black,
                    sometimes flickers)
           Product: Drivers
           Version: 2.5
    Kernel Version: 2.6.34
          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: florian.a.jung@web.de
        Regression: No


Created an attachment (id=26749)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=26749)
output of lspci

After an upgrade to 2.6.34 (2.6.32 also showed that problem) from 2.6.26, 3D
stopped working.

glxinfo's output hasn't changed, however glxgears displays a black window, and
only sometimes (for example when moving it) i can see flickering gears for a
short time.
also other 3D applications are affected

i've a ati radeon mobility m6 LY and i'm using the open source "radeon" driver
it doesn't matter which AGP mode i use, or if i set it to PCI mode.

expected results: working 3d
actual results: black window, flickering gears

I'm using debian lenny and X.Org X Server 1.4.2

steps to reproduce:
  start glxgears.
  enjoy

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[Bug 16191] kernel upgrade breaks 3D-graphics (glxgears is black, sometimes flickers)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=16191





--- Comment #1 from florian.a.jung@web.de  2010-06-13 10:28:16 ---
Created an attachment (id=26750)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=26750)
output of glxinfo

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[Bug 16191] kernel upgrade breaks 3D-graphics (glxgears is black, sometimes flickers)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=16191


Alex Deucher <alexdeucher@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |alexdeucher@gmail.com




--- Comment #2 from Alex Deucher <alexdeucher@gmail.com>  2010-06-14 07:15:38 ---
Please attach your xorg log and dmesg output.

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[Bug 16191] kernel upgrade breaks 3D-graphics (glxgears is black, sometimes flickers)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=16191





--- Comment #3 from florian.a.jung@web.de  2010-06-14 17:05:41 ---
Created an attachment (id=26767)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=26767)
dmesg output

this is after running glxgears

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[Bug 16191] kernel upgrade breaks 3D-graphics (glxgears is black, sometimes flickers)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=16191





--- Comment #4 from florian.a.jung@web.de  2010-06-14 17:07:04 ---
Created an attachment (id=26768)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=26768)
Xorg.0.log

after running glxgears

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[Bug 16191] kernel upgrade breaks 3D-graphics (glxgears is black, sometimes flickers)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=16191


florian.a.jung@web.de changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Regression|No                          |Yes




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[Bug 16191] kernel upgrade breaks 3D-graphics (glxgears is black, sometimes flickers)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=16191





--- Comment #5 from Alex Deucher <alexdeucher@gmail.com>  2010-07-29 14:28:04 ---
Should be fixed as of this patch:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=cf22f20ade30f8c03955324aaf27b1049e182600

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[Bug 16191] kernel upgrade breaks 3D-graphics (glxgears is black, sometimes flickers)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=16191


florian.a.jung@web.de changed:

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




--- Comment #6 from florian.a.jung@web.de  2010-07-30 13:10:52 ---
Thank you, the patch fixed the problem :)

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