[Bug 38792] New: SEGFAULT with radeon driver

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=38792

           Summary: SEGFAULT with radeon driver
           Product: xorg
           Version: 7.6
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: critical
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: rpr.nospam at gmail.com
         QAContact: xorg-team at lists.x.org


Created an attachment (id=48578)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=48578)
/var/log/Xorg.0.log

Xorg doesn't start with radeon driver on Ubuntu 11.04 x64 with
Linux 2.6.38-10-generic #44-Ubuntu SMP Thu Jun 2 21:32:22 UTC 2011 x86_64.

Near the end of /var/log/Xorg.0.log I found:

Backtrace:
[ 18.246] 0: /usr/bin/X (xorg_backtrace+0x26) [0x4a2656]
[ 18.246] 1: /usr/bin/X (0x400000+0x621ca) [0x4621ca]
[ 18.246] 2: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f13082db000+0xfc60)
[0x7f13082eac60]
[ 18.246] 3: /usr/lib/xorg/modules/drivers/radeon_drv.so
(0x7f1305161000+0xd23fd) [0x7f13052333fd]
[ 18.246] 4: /usr/lib/xorg/modules/drivers/radeon_drv.so
(0x7f1305161000+0xd465f) [0x7f130523565f]
[ 18.246] 5: /usr/lib/xorg/modules/drivers/radeon_drv.so
(0x7f1305161000+0x8586e) [0x7f13051e686e]
[ 18.246] 6: /usr/bin/X (xf86SetDesiredModes+0x1e3) [0x48c7d3]
[ 18.246] 7: /usr/lib/xorg/modules/drivers/radeon_drv.so
(0x7f1305161000+0x44dd5) [0x7f13051a5dd5]
[ 18.246] 8: /usr/bin/X (AddScreen+0x1a8) [0x42e658]
[ 18.246] 9: /usr/bin/X (InitOutput+0x294) [0x470094]
[ 18.246] 10: /usr/bin/X (0x400000+0x218c3) [0x4218c3]
[ 18.246] 11: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xff)
[0x7f1307224eff]
[ 18.246] 12: /usr/bin/X (0x400000+0x21629) [0x421629]
[ 18.246] Segmentation fault at address 0x1b0
[ 18.246]
Caught signal 11 (Segmentation fault). Server aborting

lspci says:
VGA compatible controller: ATI Technologies Inc M92 LP [Mobility Radeon HD 4300
Series] (prog-if 00 [VGA controller])

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