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  • #506

Closed
Open
Opened Sep 18, 2019 by Bugzilla Migration User@bugzilla-migration

OpenCL test 'Arithm/Absdiff.Mat/20' from OpenCV hangs HD5470M

Submitted by Bruno Jiménez

Assigned to Default DRI bug account

Link to original bug (#77907)

Description

The effects are that when running that test, the screen freezes for a while, then goes to black, then shows back my desktop, happening this some times.

After some debugging, the hang seems to occur with the compute shader sent to the GPU, as the system freezes when it waits for the GPU to finish.

My system is Arch Linux with:

  • AMD CEDAR 5470M
  • kernel 3.14.1-1
  • llvm at revision 207118
  • mesa at commit 352e06dd
  • opencv at commit bb4199b

Version: git

Blocking

  • Bug 99553
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Reference: mesa/mesa#506