* [Bug 102233] OpenCL segmentation fault on AMD Radeon (Kaveri+R7) with memtestCL
@ 2017-08-15 14:06 bugzilla-daemon
2017-09-15 22:41 ` bugzilla-daemon
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0 siblings, 5 replies; 6+ messages in thread
From: bugzilla-daemon @ 2017-08-15 14:06 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=102233
Bug ID: 102233
Summary: OpenCL segmentation fault on AMD Radeon (Kaveri+R7)
with memtestCL
Product: Mesa
Version: git
Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: NEW
Severity: critical
Priority: medium
Component: Drivers/Gallium/radeonsi
Assignee: dri-devel@lists.freedesktop.org
Reporter: senad.jahic@gmx.com
QA Contact: dri-devel@lists.freedesktop.org
Blocks: 99553
Hardware:
AMD A8-7600 with Radeon™ R7 Series
Sapphire R7 240 4GB
ASUS R7 240 4GB
OS: Ubuntu server 17.04 64bit (headless mode).
OpenCL Driver: Padoka
Description:
clinfo works, shows all three GPU platforms.
Sometimes I get segmentation fault using memtestCL.
I get 100% crashes with YACMiner (crypto mining software).
I've traced memtestCL down to this line:
https://github.com/ihaque/memtestCL/blob/607499a54dcac9b846fcc827dc5980d8e5f66cec/memtestCL_cli.cpp#L126
On repeating runs, clGetDeviceIDs sometimes returns 0 for num_cpu and sometimes
1.
If it returns 1, clGetDeviceInfo later crashes when called with device id that
does not exist.
If I hardcode "num_devices=3" at offending line, I can run memtestCL on all
three devices successfully without faults.
Referenced Bugs:
https://bugs.freedesktop.org/show_bug.cgi?id=99553
[Bug 99553] Tracker bug for runnning OpenCL applications on Clover
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* [Bug 102233] OpenCL segmentation fault on AMD Radeon (Kaveri+R7) with memtestCL
2017-08-15 14:06 [Bug 102233] OpenCL segmentation fault on AMD Radeon (Kaveri+R7) with memtestCL bugzilla-daemon
@ 2017-09-15 22:41 ` bugzilla-daemon
2017-11-04 22:59 ` bugzilla-daemon
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: bugzilla-daemon @ 2017-09-15 22:41 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=102233
--- Comment #1 from Jan Vesely <jan.vesely@rutgers.edu> ---
What is the mesa/llvm version?
can you post clinfo?
do you use ocl-icd library? if so can you run setting
OCL_ICD_VENDORS=/etc/OpenCL/vendors/mesa.icd
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* [Bug 102233] OpenCL segmentation fault on AMD Radeon (Kaveri+R7) with memtestCL
2017-08-15 14:06 [Bug 102233] OpenCL segmentation fault on AMD Radeon (Kaveri+R7) with memtestCL bugzilla-daemon
2017-09-15 22:41 ` bugzilla-daemon
@ 2017-11-04 22:59 ` bugzilla-daemon
2017-12-22 12:16 ` bugzilla-daemon
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: bugzilla-daemon @ 2017-11-04 22:59 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=102233
Jan Vesely <jan.vesely@rutgers.edu> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |NEEDINFO
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* [Bug 102233] OpenCL segmentation fault on AMD Radeon (Kaveri+R7) with memtestCL
2017-08-15 14:06 [Bug 102233] OpenCL segmentation fault on AMD Radeon (Kaveri+R7) with memtestCL bugzilla-daemon
2017-09-15 22:41 ` bugzilla-daemon
2017-11-04 22:59 ` bugzilla-daemon
@ 2017-12-22 12:16 ` bugzilla-daemon
2017-12-22 12:17 ` bugzilla-daemon
2018-05-10 19:06 ` bugzilla-daemon
4 siblings, 0 replies; 6+ messages in thread
From: bugzilla-daemon @ 2017-12-22 12:16 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=102233
--- Comment #2 from Jan Vesely <jan.vesely@rutgers.edu> ---
Can you try initializing the num_gpu, num_cpu, num_accel variables?
clGetDeviceIDs returns CL_DEVICE_NOT_FOUND error if there are no devices
matching the requested type. This does not set num_devices output parameter to
0.
Unless the variables are initialized to 0, the loop on line 135 accesses devids
array out of bounds.
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* [Bug 102233] OpenCL segmentation fault on AMD Radeon (Kaveri+R7) with memtestCL
2017-08-15 14:06 [Bug 102233] OpenCL segmentation fault on AMD Radeon (Kaveri+R7) with memtestCL bugzilla-daemon
` (2 preceding siblings ...)
2017-12-22 12:16 ` bugzilla-daemon
@ 2017-12-22 12:17 ` bugzilla-daemon
2018-05-10 19:06 ` bugzilla-daemon
4 siblings, 0 replies; 6+ messages in thread
From: bugzilla-daemon @ 2017-12-22 12:17 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=102233
--- Comment #3 from Jan Vesely <jan.vesely@rutgers.edu> ---
(In reply to Senad from comment #0)
> I get 100% crashes with YACMiner (crypto mining software).
please report a separate bug for YACMiner
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* [Bug 102233] OpenCL segmentation fault on AMD Radeon (Kaveri+R7) with memtestCL
2017-08-15 14:06 [Bug 102233] OpenCL segmentation fault on AMD Radeon (Kaveri+R7) with memtestCL bugzilla-daemon
` (3 preceding siblings ...)
2017-12-22 12:17 ` bugzilla-daemon
@ 2018-05-10 19:06 ` bugzilla-daemon
4 siblings, 0 replies; 6+ messages in thread
From: bugzilla-daemon @ 2018-05-10 19:06 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=102233
Jan Vesely <jan.vesely@rutgers.edu> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |NOTOURBUG
Status|NEEDINFO |RESOLVED
--- Comment #4 from Jan Vesely <jan.vesely@rutgers.edu> ---
This PR should fix memtestCL:
https://github.com/ihaque/memtestCL/pull/9
feel free to reopen if you still see the problem.
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