Bug 104443 - i965/brw_bufmgr.c:1104 Segfault when using alt-tab
Summary: i965/brw_bufmgr.c:1104 Segfault when using alt-tab
Status: RESOLVED DUPLICATE of bug 104214
Alias: None
Product: Mesa
Classification: Unclassified
Component: Drivers/DRI/i965 (show other bugs)
Version: 17.3
Hardware: Other All
: medium normal
Assignee: Intel 3D Bugs Mailing List
QA Contact: Intel 3D Bugs Mailing List
Depends on:
Reported: 2018-01-02 03:20 UTC by EoD
Modified: 2018-01-11 06:03 UTC (History)
2 users (show)

See Also:
i915 platform:
i915 features:

gdb backtrace of the crash (5.18 KB, text/x-log)
2018-01-02 03:20 UTC, EoD

Description EoD 2018-01-02 03:20:15 UTC
Created attachment 136480 [details]
gdb backtrace of the crash

When playing videos with mpv and using Alt+Tab to switch between windows, mpv crashes regularly with the following segfault: 

> Thread 8 "mpv/vo" received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 0x7fffd9a50700 (LWP 14333)]
> brw_bo_get_tiling (bo=0x55, tiling_mode=0x7fffd9a4f098, swizzle_mode=0x7fffd9a4f09c)
>    at /usr/src/debug/media-libs/mesa-17.3.1/mesa-17.3.1/src/mesa/drivers/dri/i965/brw_bufmgr.c:1104
> 1104	   *tiling_mode = bo->tiling_mode;

This might be a duplicate of bug 104342
Comment 1 vadym 2018-01-04 11:31:17 UTC
Hello EoD, 

Suggest please what platform and distro are you using ?
Comment 2 Evangelos Foutras 2018-01-11 06:03:10 UTC
The patch from bug 104214 should fix this. I had the same issue with mpv and at some point also got the same backtrace.

*** This bug has been marked as a duplicate of bug 104214 ***

Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.