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<base href="https://bugs.freedesktop.org/">
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Alt-Tabbing in kwin results in SIGSEV in radeonsi"
href="https://bugs.freedesktop.org/show_bug.cgi?id=105611">105611</a>
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<th>Summary</th>
<td>Alt-Tabbing in kwin results in SIGSEV in radeonsi
</td>
</tr>
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<th>Product</th>
<td>Mesa
</td>
</tr>
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<th>Version</th>
<td>17.3
</td>
</tr>
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<th>Hardware</th>
<td>Other
</td>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>medium
</td>
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<th>Component</th>
<td>Drivers/Gallium/radeonsi
</td>
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<th>Assignee</th>
<td>dri-devel@lists.freedesktop.org
</td>
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<th>Reporter</th>
<td>linuxhippy@gmail.com
</td>
</tr>
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<th>QA Contact</th>
<td>dri-devel@lists.freedesktop.org
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<p>
<div>
<pre>Alt+Tab on my kaveri 7650k system with 4k+full-hd screens (amdgpu,
linux-4.15.9, mesa-17.3.6) running kde/kwin with compositor enabled results in:
Thread 26 "gallium_drv:0" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fff63fff700 (LWP 9101)]
si_draw_vbo (ctx=0x555556963dc0, info=0x5555569d7be8) at si_state_draw.c:1372
1372 } else if (sctx->b.chip_class <= CIK &&
#0 0x00007fffc37fa890 in si_draw_vbo (ctx=0x555556963dc0, info=0x5555569d7be8)
at si_state_draw.c:1372
sctx = 0x555556963dc0
rs = <optimized out>
indexbuf = 0x0
dirty_tex_counter = <optimized out>
rast_prim = <optimized out>
index_size = 2
index_offset = 0
#1 0x00007fffc351d593 in tc_call_draw_vbo (pipe=<optimized out>,
payload=0x5555569d7be8) at util/u_threaded_context.c:1816
info = 0x5555569d7be8
#2 0x00007fffc351a990 in tc_batch_execute (job=job@entry=0x5555569d7340,
thread_index=thread_index@entry=0) at util/u_threaded_context.c:94
iter = 0x5555569d7be0
batch = 0x5555569d7340
pipe = 0x555556963dc0
last = 0x5555569d7fa0
#3 0x00007fffc33e2fda in util_queue_thread_func
(input=input@entry=0x55555688f1c0) at u_queue.c:187
job = {job = 0x5555569d7340, fence = 0x5555569d7350, execute =
0x7fffc351a950 <tc_batch_execute>, cleanup = 0x0}
queue = 0x5555569d5978
thread_index = 0
#4 0x00007fffc33e2e67 in impl_thrd_routine (p=<optimized out>) at
../../include/c11/threads_posix.h:87
pack = {func = 0x7fffc33e2ea0 <util_queue_thread_func>, arg =
0x55555688f1c0}
#5 0x00007ffff02e050b in start_thread () at /lib64/libpthread.so.0
#6 0x00007fffecaa716f in clone () at /lib64/libc.so.6</pre>
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