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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BAT] tests/gem_close_race, basic-threads SEGFAULT on BDW, GPU hang SKL, machine hang on SNB"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95048#c3">Comment # 3</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [BAT] tests/gem_close_race, basic-threads SEGFAULT on BDW, GPU hang SKL, machine hang on SNB"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95048">bug 95048</a>
from <span class="vcard"><a class="email" href="mailto:marius.c.vlad@intel.com" title="Marius Vlad <marius.c.vlad@intel.com>"> <span class="fn">Marius Vlad</span></a>
</span></b>
<pre>[New LWP 6945]
[New LWP 6943]
[New LWP 6944]
Core was generated by `/opt/igt/tests/gem_close_race --run-subtest
basic-threads'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x00007ffc4b93e440 in ?? ()
[Current thread is 1 (LWP 6945)]
(gdb) file gem_close_race
warning: exec file is newer than core file.
Reading symbols from gem_close_race...done.
(gdb) thread apply all bt full
Thread 3 (LWP 6944):
#0 0x00007f80db1bd0b7 in ?? ()
No symbol table info available.
#1 0x00007f80dbac5908 in ?? ()
No symbol table info available.
#2 0x00007f80d9afde40 in ?? ()
No symbol table info available.
#3 0x000000000000005d in ?? ()
No symbol table info available.
#4 0x0000000000000030 in ?? ()
No symbol table info available.
#5 0x0000000000000005 in ?? ()
No symbol table info available.
#6 0x00007f80d9afdd60 in ?? ()
No symbol table info available.
#7 0x00000000004044c0 in selfcopy (fd=1077961833, fd@entry=5,
handle=<optimized out>, loops=92, loops@entry=100) at gem_close_race.c:117
reloc = {{target_handle = 1, delta = 0, offset = 16, presumed_offset =
4294701056, read_domains = 2, write_domain = 2}, {target_handle = 1, delta = 0,
offset = 32, presumed_offset = 4294701056,
read_domains = 2, write_domain = 0}}
gem_exec = {{handle = 1, relocation_count = 0, relocs_ptr = 0,
alignment = 0, offset = 4294701056, flags = 0, rsvd1 = 0, rsvd2 = 0}, {handle =
2, relocation_count = 2, relocs_ptr = 140191384722896,
alignment = 0, offset = 4294696960, flags = 0, rsvd1 = 0, rsvd2 =
0}}
execbuf = {buffers_ptr = 140191384722960, buffer_count = 2,
batch_start_offset = 0, batch_len = 48, DR1 = 0, DR4 = 0, num_cliprects = 0,
cliprects_ptr = 0, flags = 3, rsvd1 = 0, rsvd2 = 0}
gem_pwrite = {handle = 2, pad = 0, offset = 0, size = 48, data_ptr =
140191384722848}
create = {size = 4096, handle = 2, pad = 0}
buf = {1425014792, 63705088, 0, 66560, 0, 0, 33554432, 4096, 0, 0,
83886080, 0}
b = <optimized out>
#8 0x0000000000404ab8 in thread_run (_data=0x233c030) at gem_close_race.c:174
fd = 5
n = 6
handle = 1
arg = {name = 1, handle = 1, size = 262144}
#9 0x00007f80daca16aa in ?? ()
No symbol table info available.
#10 0x0000000000000000 in ?? ()
No symbol table info available.
Thread 2 (LWP 6943):
#0 0x00007f80db0f53f1 in ?? ()
No symbol table info available.
#1 0x0000000000000000 in ?? ()
No symbol table info available.
Thread 1 (LWP 6945):
#0 0x00007ffc4b93e440 in ?? ()
No symbol table info available.
#1 0x0000000000000000 in ?? ()
No symbol table info available.</pre>
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