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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - glxgears stops rendering randomly under xwayland with dri3 & glamor"
href="https://bugs.freedesktop.org/show_bug.cgi?id=80963#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - glxgears stops rendering randomly under xwayland with dri3 & glamor"
href="https://bugs.freedesktop.org/show_bug.cgi?id=80963">bug 80963</a>
from <span class="vcard"><a class="email" href="mailto:stu_dby@126.com" title="Boyan Ding <stu_dby@126.com>"> <span class="fn">Boyan Ding</span></a>
</span></b>
<pre>Finally built mesa (10.2.3) myself with debug symbols and backtrace is as
below:
#0 0x00007ffff70bd800 in __poll_nocancel () from /usr/lib/libc.so.6
#1 0x00007ffff55fc992 in ?? () from /usr/lib/libxcb.so.1
#2 0x00007ffff55fddc9 in xcb_wait_for_special_event ()
from /usr/lib/libxcb.so.1
#3 0x00007ffff7bbc495 in dri3_find_back (c=0x605790, priv=0xa346e0)
at dri3_glx.c:1103
#4 0x00007ffff7bbc51b in dri3_get_buffer (driDrawable=0x6a48e0, format=4107,
buffer_type=dri3_buffer_back, loaderPrivate=0xa346e0) at dri3_glx.c:1127
#5 0x00007ffff7bbc92e in dri3_get_buffers (driDrawable=0x6a48e0, format=4107,
stamp=0x6a4910, loaderPrivate=0xa346e0, buffer_mask=1,
buffers=0x7fffffffe640) at dri3_glx.c:1274
#6 0x00007ffff3563c10 in intel_update_image_buffers (brw=0x7ffff7fd4040,
drawable=0x6a48e0) at brw_context.c:1395
#7 0x00007ffff3563436 in intel_update_renderbuffers (context=0x6a4020,
drawable=0x6a48e0) at brw_context.c:1087
#8 0x00007ffff35634cd in intel_prepare_render (brw=0x7ffff7fd4040)
at brw_context.c:1108
#9 0x00007ffff3556969 in brw_clear (ctx=0x7ffff7fd4040, mask=18)
at brw_clear.c:234
#10 0x00007ffff31b875e in _mesa_Clear (mask=16640) at main/clear.c:226
#11 0x00000000004027fa in draw () at gears.c:183
#12 0x00007ffff76b1ac4 in ?? () from /usr/lib/libglut.so.3
#13 0x00007ffff76b5329 in fgEnumWindows () from /usr/lib/libglut.so.3
#14 0x00007ffff76b207d in glutMainLoopEvent () from /usr/lib/libglut.so.3
#15 0x00007ffff76b28e5 in glutMainLoop () from /usr/lib/libglut.so.3
#16 0x00000000004031af in main (argc=1, argv=0x7fffffffeb78) at gears.c:405
Seems that it halts in waiting for back buffers.</pre>
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