[Bug 28616] New: Xorg segfaults on 3d apps if KMS disabled

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=28616

           Summary: Xorg segfaults on 3d apps if KMS disabled
           Product: DRI
           Version: XOrg CVS
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
        AssignedTo: dri-devel at lists.freedesktop.org
        ReportedBy: mad.f3ka at gmail.com


Login with compositing causes xorg segfaults after some time.
Works fine without compositing or with KMS enabled.

Backtrace:
[ 1160.031] 0: /usr/bin/X (xorg_backtrace+0x28) [0x4983e8]
[ 1160.031] 1: /usr/bin/X (0x400000+0x67149) [0x467149]
[ 1160.031] 2: /lib/libpthread.so.0 (0x7f94a8e14000+0xef20) [0x7f94a8e22f20]
[ 1160.031] 3: /usr/bin/X (dixLookupPrivate+0xa) [0x45928a]
[ 1160.031] 4: /usr/lib/xorg/modules/extensions/libglx.so
(0x7f94a6416000+0x41733) [0x7f94a6457733]
[ 1160.031] 5: /usr/lib/xorg/modules/extensions/libglx.so
(0x7f94a6416000+0x3889f) [0x7f94a644e89f]
[ 1160.031] 6: /usr/bin/X (FreeResource+0x12b) [0x42c41b]
[ 1160.031] 7: /usr/lib/xorg/modules/extensions/libglx.so
(0x7f94a6416000+0x342d9) [0x7f94a644a2d9]
[ 1160.031] 8: /usr/lib/xorg/modules/extensions/libglx.so
(0x7f94a6416000+0x38683) [0x7f94a644e683]
[ 1160.032] 9: /usr/bin/X (0x400000+0x2801c) [0x42801c]
[ 1160.032] 10: /usr/bin/X (0x400000+0x2170a) [0x42170a]
[ 1160.032] 11: /lib/libc.so.6 (__libc_start_main+0xfd) [0x7f94a7daab1d]
[ 1160.032] 12: /usr/bin/X (0x400000+0x212c9) [0x4212c9]
[ 1160.032] Segmentation fault at address 0x290
[ 1160.032]
Fatal server error:
[ 1160.032] Caught signal 11 (Segmentation fault). Server aborting

Additional info:

* Archlinux
* X.Org X Server from 1.8.0.901 (1.8.1 RC 1) to 1.8.1.901
* xf86-video-ati 6.13
* mesa 7.8.1
* Mobility Radeon HD2600

I have one confirm from Gentoo-user with same backtrace and x200m.

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