[Bug 86075] X server crashes drawing dashed lines

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=86075

--- Comment #3 from Ian Gay <gay at sfu.ca> ---
gdb is not too helpful.
I start in a Linux console (so I can see something after crash) then
gdb progname
run

Nothing happens in console. Then I switch back to KDE, crash occurs, and I
switch back to console, where I see
--------------
XIO:  fatal IO error 11 (Resource temporarily unavailable) on X server ":0"
      after 1267 requests (9 known processed) with 0 events remaining.
[Inferior 1 (process 1562) exited with code 01]
---------
At this point I give bt command to gdb, which simply replies
No stack.

==================================================================

Here is the complete traceback from Xorg.0.log.old
--------------
[   109.016] (II) AIGLX: Resuming AIGLX clients after VT switch
[   109.016] (II) intel(0): switch to mode 1600x1200 at 60.0 on HDMI1 using pipe
0, position (0, 0), rotation normal, reflection none
[   109.108] (EE) 
[   109.108] (EE) Backtrace:
[   109.108] (EE) 0: /usr/bin/Xorg (xorg_backtrace+0x48) [0x58e8f8]
[   109.108] (EE) 1: /usr/bin/Xorg (0x400000+0x192929) [0x592929]
[   109.108] (EE) 2: /lib64/libc.so.6 (0x7f23425fc000+0x35550) [0x7f2342631550]
[   109.108] (EE) 3: /usr/lib64/xorg/modules/drivers/intel_drv.so
(0x7f233f478000+0xcfd38) [0x7f233f547d38]
[   109.108] (EE) 4: /usr/lib64/xorg/modules/drivers/intel_drv.so
(0x7f233f478000+0x25430) [0x7f233f49d430]
[   109.108] (EE) 5: /usr/bin/Xorg (0x400000+0x181d85) [0x581d85]
[   109.108] (EE) 6: /usr/bin/Xorg (0x400000+0x1841c1) [0x5841c1]
[   109.108] (EE) 7: /usr/bin/Xorg (miWideDash+0x142d) [0x585e7d]
[   109.108] (EE) 8: /usr/lib64/xorg/modules/drivers/intel_drv.so
(0x7f233f478000+0x4596b) [0x7f233f4bd96b]
[   109.108] (EE) 9: /usr/bin/Xorg (0x400000+0x11b048) [0x51b048]
[   109.108] (EE) 10: /usr/bin/Xorg (0x400000+0x3a03f) [0x43a03f]
[   109.108] (EE) 11: /usr/bin/Xorg (0x400000+0x3d73e) [0x43d73e]
[   109.108] (EE) 12: /usr/bin/Xorg (0x400000+0x4155a) [0x44155a]
[   109.108] (EE) 13: /lib64/libc.so.6 (__libc_start_main+0xf5)
[0x7f234261dbe5]
[   109.108] (EE) 14: /usr/bin/Xorg (0x400000+0x2cba1) [0x42cba1]
[   109.108] (EE) 
[   109.108] (EE) Segmentation fault at address 0x7fff5bf94004
[   109.108] (EE) 
Fatal server error:
[   109.108] (EE) Caught signal 11 (Segmentation fault). Server aborting
[   109.108] (EE) 
[   109.108] (EE) 
Please consult the The X.Org Foundation support 
     at http://wiki.x.org
 for help. 
[   109.108] (EE) Please also check the log file at "/var/log/Xorg.0.log" for
additional information.
[   109.108] (EE) 
[   109.108] (II) AIGLX: Suspending AIGLX clients for VT switch
[   109.121] (EE) Server terminated with error (1). Closing log file.
------------

Ian

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