<html>
<head>
<base href="https://bugs.freedesktop.org/">
</head>
<body>
<p>
<div>
<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [cfl] GPU hang when running UE4Editor"
href="https://bugs.freedesktop.org/show_bug.cgi?id=110228#c7">Comment # 7</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [cfl] GPU hang when running UE4Editor"
href="https://bugs.freedesktop.org/show_bug.cgi?id=110228">bug 110228</a>
from <span class="vcard"><a class="email" href="mailto:lemody@gmail.com" title="Tapani Pälli <lemody@gmail.com>"> <span class="fn">Tapani Pälli</span></a>
</span></b>
<pre>(In reply to Andrzej Broński from <a href="show_bug.cgi?id=110228#c6">comment #6</a>)
<span class="quote">> (In reply to Tapani Pälli from <a href="show_bug.cgi?id=110228#c5">comment #5</a>)
> > (In reply to Andrzej Broński from <a href="show_bug.cgi?id=110228#c4">comment #4</a>)
> > > Created <span class=""><a href="attachment.cgi?id=143780" name="attach_143780" title="vulkaninfo output">attachment 143780</a> <a href="attachment.cgi?id=143780&action=edit" title="vulkaninfo output">[details]</a></span>
> > > vulkaninfo output
> > >
> > > Issue can be related to Vulkan, so I provide output of 'vulkaninfo' - it
> > > segfaults btw.
> > > My version: vulkan-intel 19.0.0-1.
> >
> > Huh, can you provide the backtrace for vulkaninfo segfault?
>
>
> Sure. I built mesa with debugging symbols, then run vulkaninfo with gdb:
> ~~~
> ...
> Thread 1 "vulkaninfo" received signal SIGSEGV, Segmentation fault.
> 0x00007ffff7f650ce in xcb_send_request_with_fds64 () from
> /usr/lib/libxcb.so.1
> (gdb) bt
> #0 0x00007ffff7f650ce in xcb_send_request_with_fds64 () from
> /usr/lib/libxcb.so.1
> #1 0x00007ffff7f6566a in xcb_send_request () from /usr/lib/libxcb.so.1
> #2 0x00007ffff7f74405 in xcb_query_extension () from /usr/lib/libxcb.so.1
> #3 0x00007ffff54d2c3d in wsi_x11_connection_create
> (conn=0x48000401b9358b48, wsi_dev=0x5555555b8d80) at
> ../mesa-19.0.0/src/vulkan/wsi/wsi_common_x11.c:135
> #4 wsi_x11_get_connection (wsi_dev=wsi_dev@entry=0x5555555b8d80,
> conn=conn@entry=0x48000401b9358b48) at
> ../mesa-19.0.0/src/vulkan/wsi/wsi_common_x11.c:242
> #5 0x00007ffff54d341a in x11_surface_get_support (icd_surface=<optimized
> out>, wsi_device=0x5555555b8d80, queueFamilyIndex=<optimized out>,
> pSupported=0x7fffffffd824) at
> ../mesa-19.0.0/src/vulkan/wsi/wsi_common_x11.c:427
> #6 0x0000555555562693 in ?? ()
> #7 0x0000555555557f72 in ?? ()
> #8 0x00007ffff7c10223 in __libc_start_main () from /usr/lib/libc.so.6
> #9 0x00005555555587be in ?? ()
> ~~~
>
> You can grab core file here
> <a href="https://drive.google.com/open?id=1c7lX82Y2xCkVFVv84SnaqD0X3lCRphAJ">https://drive.google.com/open?id=1c7lX82Y2xCkVFVv84SnaqD0X3lCRphAJ</a> however
> it seems to be the problem with XCB library.</span >
Thanks, that is weird. FYI there is another trace which refers to xcb failure
in <a class="bz_bug_link
bz_status_NEW "
title="NEW - Segmentation fault when using vulkaninfo on Radeon"
href="show_bug.cgi?id=110261">bug #110261</a>.</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are on the CC list for the bug.</li>
</ul>
</body>
</html>