[Bug 91078] New: [BSW]OpenCL/utests hang sporadically
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Tue Jun 23 23:10:56 PDT 2015
https://bugs.freedesktop.org/show_bug.cgi?id=91078
Bug ID: 91078
Summary: [BSW]OpenCL/utests hang sporadically
Product: DRI
Version: DRI git
Hardware: All
OS: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: DRM/Intel
Assignee: intel-gfx-bugs at lists.freedesktop.org
Reporter: mengmeng.meng at intel.com
QA Contact: intel-gfx-bugs at lists.freedesktop.org
CC: intel-gfx-bugs at lists.freedesktop.org
Created attachment 116682
--> https://bugs.freedesktop.org/attachment.cgi?id=116682&action=edit
dmesg
==Regression==
--------------------------
Regression: No.
Ubuntu: 14.04
==kernel==
--------------------------
drm-intel-next-queued: git-8c6cda
==Test cases==
Beignet: git://anongit.freedesktop.org/git/beignet (master git-e64445f)
==Bug detailed description==
-----------------------------
OpenCL/utests may hang on BSW sporadically(~20%). And the fail tests are not
specific. The issue doesn't exist on other platforms(IVB/HSW/BDW).
Please see the attached dmesg.
(gdb) bt
==================
#0 0x00007f6fb5bb1337 in ioctl () at ../sysdeps/unix/syscall-template.S:81
#1 0x00007f6fb4cd6e74 in drmIoctl (fd=6, request=request at entry=1074553951,
arg=arg at entry=0x7ffdca8d7840) at xf86drm.c:164
#2 0x00007f6fb4ee68f7 in drm_intel_gem_bo_map (bo=0x1505f50, write_enable=1)
at intel_bufmgr_gem.c:1325
#3 0x00007f6fb5880446 in cl_mem_map (mem=0x14dc4a0, write=write at entry=1) at
/home/OpenCL/beignet/src/cl_mem.c:1908
#4 0x00007f6fb586f223 in clMapBufferIntel (mem=<optimized out>,
errcode_ret=0x7ffdca8d790c) at /home/OpenCL/beignet/src/cl_api.c:3215
#5 0x00007f6fb65af04e in test_copy_buf (sz=1024, cb=512, dst_off=0,
src_off=<optimized out>) at /home/OpenCL/beignet/utests/enqueue_copy_buf.cpp:24
#6 enqueue_copy_buf () at /home/OpenCL/beignet/utests/enqueue_copy_buf.cpp:61
#7 0x00007f6fb65af4bd in __ANON__enqueue_copy_buf__ () at
/home/OpenCL/beignet/utests/enqueue_copy_buf.cpp:66
#8 0x00007f6fb63b92df in UTest::runAllNoIssue () at
/home/OpenCL/beignet/utests/utest.cpp:169
#9 0x0000000000401786 in main (argc=1, argv=0x7ffdca8d8308) at
/home/OpenCL/beignet/utests/utest_run.cpp:104
==Reproduce steps==
----------------------------
1. utests/utest_run
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