[Bug 65938] New: Dual Card Multi Head with radeon causes xorg to segfault

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=65938

          Priority: medium
            Bug ID: 65938
          Assignee: xorg-driver-ati at lists.x.org
           Summary: Dual Card Multi Head with radeon causes xorg to
                    segfault
        QA Contact: xorg-team at lists.x.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: oyvinds at everdot.org
          Hardware: Other
            Status: NEW
           Version: 7.4 (2008.09)
         Component: Driver/Radeon
           Product: xorg

Created attachment 81076
  --> https://bugs.freedesktop.org/attachment.cgi?id=81076&action=edit
xorg log

Setup:
02:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI
Pitcairn PRO [Radeon HD 7850] two monitors connected to DVI

01:05.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI RS780D
[Radeon HD 3300] with one monitor connected to DVI

xorg crashes if I try use glamor as accelration for both the Radeon HD 7850 and
Radeon HD 3300

xorg crashes if I tr to use glamor on 7850 and EXA on 3300.

The only way I can get this setup to work is without accelration for the 7850.

segfault with glameor:

[   215.109] (EE) Backtrace:
[   215.110] (EE) 0: /usr/bin/X (xorg_backtrace+0x36) [0x59a436]
[   215.110] (EE) 1: /usr/bin/X (0x400000+0x19e329) [0x59e329]
[   215.110] (EE) 2: /lib64/libpthread.so.0 (0x3b94e00000+0x10810)
[0x3b94e10810]
[   215.110] (EE) 3: /usr/lib64/dri/r600_dri.so (radeon_drm_winsys_create+0xb0)
[0x7fb2367360d0]
[   215.110] (EE) 4: /usr/lib64/dri/r600_dri.so (0x7fb23612f000+0x2cb2a9)
[0x7fb2363fa2a9]
[   215.110] (EE) 5: /usr/lib64/dri/r600_dri.so (0x7fb23612f000+0x6029e4)
[0x7fb2367319e4]
[   215.110] (EE) 6: /usr/lib64/dri/swrast_dri.so (0x7fb2309b8000+0x250828)
[0x7fb230c08828]
[   215.110] (EE) 7: /usr/lib64/xorg/modules/extensions/libglx.so
(0x7fb2382f7000+0x3f1d4) [0x7fb2383361d4]
[   215.110] (EE) 8: /usr/lib64/xorg/modules/extensions/libglx.so
(0x7fb2382f7000+0x3e98b) [0x7fb23833598b]
[   215.110] (EE) 9: /usr/bin/X (InitExtensions+0x39) [0x4b2419]
[   215.110] (EE) 10: /usr/bin/X (0x400000+0x2a2bb) [0x42a2bb]
[   215.110] (EE) 11: /lib64/libc.so.6 (__libc_start_main+0xec) [0x3b946224cc]
[   215.110] (EE) 12: /usr/bin/X (0x400000+0x29fc9) [0x429fc9]

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