http://bugs.freedesktop.org/show_bug.cgi?id=19152
Summary: [GEM]Segmentation fault when run mesa xdemo/wincopy
Product: Mesa
Version: unspecified
Platform: Other
OS/Version: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/DRI/i915
AssignedTo: [email protected]
ReportedBy: [email protected]
Created an attachment (id=21262)
--> (http://bugs.freedesktop.org/attachment.cgi?id=21262)
xorg.0.log
System Environment:
--------------------------
host: x-bl2
arch: x86_64
Libdrm: (master)c86d431fe6174b1c2de531929213ea7dbd92326d
Mesa_stable: (intel-2008-q4)0d5b1e591b7fb2cf3109b7e147bb3ea6aa8f8b15
Xserver_stable: (server-1.6-branch)32e81074b967716865aef08b66ec29caf0fec2c5
Xf86_video_intel_stable: (xf86-video-intel-2.6-branch)
83f3c376b5942e134047a220e6e5f2432ffc492c
Bug detailed description:
-------------------------
start X, we will get Segmentation fault when run mesa xdemo/wincopy on our all
platforms, following is the backtrace from GDB and ctrl+c:
(gdb) bt
#0 0x00000033400cd437 in ioctl () from /lib64/libc.so.6
#1 0x00007f6b4d0a78c1 in drmIoctl (fd=7, request=3222823994,
arg=0x7fff55cb2fc0) at xf86drm.c:183
#2 0x00007f6b4d0a7d70 in drmWaitVBlank (fd=7, vbl=0x7fff55cb2fc0)
at xf86drm.c:1895
#3 0x00007f6b4c825cce in do_wait (vbl=0x7fff55cb2fc0, vbl_seq=0x6ec500,
fd=1439379392) at ../common/vblank.c:255
#4 0x00007f6b4c825ee7 in driWaitForVBlank (priv=0x6ec4a0,
missed_deadline=0x7fff55cb304f "") at ../common/vblank.c:406
#5 0x00007f6b4c839605 in intelSwapBuffers (dPriv=0x6ec4a0)
at intel_buffers.c:740
#6 0x00007f6b4c826117 in driSwapBuffers (dPriv=0x7)
at ../common/dri_util.c:321
#7 0x0000000000401603 in Redraw () at wincopy.c:145
#8 0x0000000000401905 in main (argc=<value optimized out>,
argv=<value optimized out>) at wincopy.c:232
Reproduce steps:
----------------
1.xinit&
2. run mesa xdemo/wincopy
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