[Bug 66515] New: X is crashing with segmentation fault

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=66515

          Priority: medium
            Bug ID: 66515
          Assignee: xorg-driver-ati at lists.x.org
           Summary: X is crashing with segmentation fault
        QA Contact: xorg-team at lists.x.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: mchehab at infradead.org
          Hardware: Other
            Status: NEW
           Version: git
         Component: Driver/Radeon
           Product: xorg

Created attachment 81896
  --> https://bugs.freedesktop.org/attachment.cgi?id=81896&action=edit
Crash backtrace with a gdb list of the called functions

>From time to time, I'm getting crashes while using Xorg with the radeon driver
and 3 monitors.

The crash happens randomly. It was noticed twice today, one while running
firefox/Java. The second one while editing an email on claws-mail.

I'm running Fedora 19, with the following packages:

xorg-x11-server-Xorg-1.14.1-4.fc19.x86_64
xorg-x11-drv-ati-7.1.0-5.20130408git6e74aacc5.fc19.x86_64
xorg-x11-glamor-0.5.0-5.20130401git81aadb8.fc19.x86_64
xorg-x11-glamor-debuginfo-0.5.0-5.20130401git81aadb8.fc19.x86_64
kernel-3.9.6-200.fc18.x86_64

Xorg relevant most relevant log:

[  2928.438] (EE) Backtrace:
[  2928.439] (EE) 0: /usr/bin/X (OsLookupColor+0x129) [0x46e539]
[  2928.439] (EE) 1: /lib64/libpthread.so.0 (__restore_rt+0x0) [0x396c60ef9f]
[  2928.439] (EE) 2: /usr/bin/X (miTrapezoidBounds+0x7d) [0x51262d]
[  2928.439] (EE) 3: /lib64/libglamor.so.0 (glamor_composite_rects_nf+0x4540)
[0x7f894a185710]
[  2928.439] (EE) 4: /usr/bin/X (AddTraps+0x46f3) [0x51ecb3]
[  2928.439] (EE) 5: /usr/bin/X (SendErrorToClient+0x3f7) [0x436e47]
[  2928.439] (EE) 6: /usr/bin/X (_init+0x3ab2) [0x429ae2]
[  2928.439] (EE) 7: /lib64/libc.so.6 (__libc_start_main+0xf5) [0x396be21b75]
[  2928.440] (EE) 8: /usr/bin/X (_start+0x29) [0x426741]
[  2928.440] (EE) 9: ? (?+0x29) [0x29]

PS.: when the system boots, I suspect that the X server crashes, and then it
re-starts.

Every time a crash happens, it seems

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