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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Segfault in Xorg after RADEON(0): Failed to make 28944x66x32bpp GBM bo"
href="https://bugs.freedesktop.org/show_bug.cgi?id=96396#c15">Comment # 15</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Segfault in Xorg after RADEON(0): Failed to make 28944x66x32bpp GBM bo"
href="https://bugs.freedesktop.org/show_bug.cgi?id=96396">bug 96396</a>
from <span class="vcard"><a class="email" href="mailto:alpha0x89@yahoo.de" title="Theo <alpha0x89@yahoo.de>"> <span class="fn">Theo</span></a>
</span></b>
<pre>Created <span class=""><a href="attachment.cgi?id=139820" name="attach_139820" title="backtrace from within glamor_make_pixmap_exportable">attachment 139820</a> <a href="attachment.cgi?id=139820&action=edit" title="backtrace from within glamor_make_pixmap_exportable">[details]</a></span>
backtrace from within glamor_make_pixmap_exportable
(In reply to Michel Dänzer from <a href="show_bug.cgi?id=96396#c14">comment #14</a>)
<span class="quote">> I don't suppose
> <a href="https://cgit.freedesktop.org/xorg/driver/xf86-video-ati/commit/">https://cgit.freedesktop.org/xorg/driver/xf86-video-ati/commit/</a>
> ?id=3dcfce8d0f495d09d7836caf98ef30d625b78a13 helps by any chance?</span >
It doesn't. "Failed to make ... GBM bo" crashes still happen with this patch.
<span class="quote">> If not, can you attach gdb to the Xorg process, set a breakpoint in
> glamor_make_pixmap_exportable where it prints the "Failed to make" message,
> then when the breakpoint triggers, run "bt full" and attach its output here?</span >
I followed [1] to set a breakpoint at [2] with these commands:
set confirm off
set breakpoint pending on
file $XSERVER
set args $ARGS
handle SIGUSR1 nostop
handle SIGUSR2 nostop
handle SIGPIPE nostop
break glamor_egl.c:372
run
bt full
cont
bt full
cont
detach
quit
and then waited for the next crash. The resulting backtrace is attached.
[1] <a href="https://www.x.org/wiki/Development/Documentation/ServerDebugging/#index2h3">https://www.x.org/wiki/Development/Documentation/ServerDebugging/#index2h3</a>
[2]
<a href="https://cgit.freedesktop.org/xorg/xserver/tree/glamor/glamor_egl.c?h=server-1.19-branch#n372">https://cgit.freedesktop.org/xorg/xserver/tree/glamor/glamor_egl.c?h=server-1.19-branch#n372</a></pre>
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