<html>
<head>
<base href="https://bugs.freedesktop.org/" />
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [llvmpipe] SIGFPE pthread_barrier_destroy.c:40"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94088">94088</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[llvmpipe] SIGFPE pthread_barrier_destroy.c:40
</td>
</tr>
<tr>
<th>Product</th>
<td>Mesa
</td>
</tr>
<tr>
<th>Version</th>
<td>git
</td>
</tr>
<tr>
<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Component</th>
<td>Mesa core
</td>
</tr>
<tr>
<th>Assignee</th>
<td>mesa-dev@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>vlee@freedesktop.org
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>mesa-dev@lists.freedesktop.org
</td>
</tr></table>
<p>
<div>
<pre>glxinfo crashes with LP_NUM_THREADS=0 with glibc-2.22.
mesa: 6ee1c386fe8c9b45746e5bbb8a6f9b56da45fd50 (master 11.2.0-devel)
$ glxinfo
[...]
Floating point exception (core dumped)
(gdb) bt
#0 0x00007f1d95b89f79 in pthread_barrier_destroy (
barrier=barrier@entry=0x565112e8e730) at pthread_barrier_destroy.c:40
#1 0x00007f1d94dbe83f in pipe_barrier_destroy (barrier=0x565112e8e730)
at ../../../../src/gallium/auxiliary/os/os_thread.h:155
#2 lp_rast_destroy (rast=0x565112e8d010) at lp_rast.c:970
#3 0x00007f1d94dcdbd1 in llvmpipe_destroy_screen (_screen=0x565112e8cef0)
at lp_screen.c:525
#4 0x00007f1d9497ac6f in dri_destroy_screen_helper (
screen=screen@entry=0x565112e8cd50) at dri_screen.c:380
#5 0x00007f1d9497ad15 in dri_destroy_screen (sPriv=0x565112e1df80)
at dri_screen.c:391
#6 0x00007f1d94978d72 in driDestroyScreen (psp=0x565112e1df80)
at dri_util.c:229
#7 0x00007f1d9912ddc5 in driswDestroyScreen (base=0x565112e073d0)
at drisw_glx.c:587
#8 0x00007f1d9910e5cc in FreeScreenConfigs (priv=<optimized out>,
priv=<optimized out>) at glxext.c:217
#9 0x00007f1d9910e649 in glx_display_free (priv=priv@entry=0x565112e03c70)
at glxext.c:240
#10 0x00007f1d9910e79e in __glXCloseDisplay (dpy=0x565112df4030,
codes=<optimized out>) at glxext.c:288
#11 0x00007f1d98dcfa42 in XCloseDisplay (dpy=0x565112df4030) at ClDisplay.c:65
#12 0x0000565112544c36 in main (argc=<optimized out>, argv=<optimized out>)
at glxinfo.c:1278
(gdb) frame 0
#0 0x00007f1d95b89f79 in pthread_barrier_destroy (
barrier=barrier@entry=0x565112e8e730) at pthread_barrier_destroy.c:40
40 - BARRIER_IN_THRESHOLD % count;
(gdb) print count
$1 = 0</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are the assignee for the bug.</li>
<li>You are the QA Contact for the bug.</li>
</ul>
</body>
</html>