[Bug 81548] [HSW] suspend/resume sometimes leaves DRI crippled

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=81548

--- Comment #5 from Tobias Jakobi <liquid.acid at gmx.net> ---
OK, the issue happened again.

Using LIBGL_DRI3_DISABLE=1 works, so it's really DRI3 specific.

I attached gdb, here's the bt:
#0  0x00007fa40950507d in poll () from /lib64/libc.so.6
#1  0x00007fa4084f5c22 in ?? () from /usr/lib64/libxcb.so.1
#2  0x00007fa4084ff811 in xcb_wait_for_special_event ()
   from /usr/lib64/libxcb.so.1
#3  0x00007fa40a80babd in ?? () from /usr/lib64/libGL.so.1
#4  0x00007fa40a80c802 in ?? () from /usr/lib64/libGL.so.1
#5  0x00007fa3fd6d54dd in ?? () from /usr/lib64/dri/i965_dri.so
#6  0x00007fa3fd6d5a83 in ?? () from /usr/lib64/dri/i965_dri.so
#7  0x00007fa3fd6da9c6 in ?? () from /usr/lib64/dri/i965_dri.so
#8  0x00007fa3fd57143d in ?? () from /usr/lib64/dri/i965_dri.so
#9  0x0000000000439f7e in ?? ()
#10 0x000000000043a576 in ?? ()
#11 0x000000000043aa2f in ?? ()
#12 0x000000000049d469 in ?? ()
#13 0x000000000049f8b8 in ?? ()
#14 0x0000000000416029 in ?? ()
#15 0x00007fa409445bf5 in __libc_start_main () from /lib64/libc.so.6
#16 0x000000000041653d in ?? ()

Yeah, this is not terribly good (most of my stack isn't build with debug
symbols), from from the looks of it, this seems similar to bug #81623

libxcb is git tip though, so the fix proposed in the other bug doesn't work for
me (I doesn't appear to work for the WebKit issue either).

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