| Priority | medium |
|---|---|
| Bug ID | 77907 |
| Assignee | dri-devel@lists.freedesktop.org |
| Summary | OpenCL test 'Arithm/Absdiff.Mat/20' from OpenCV hangs HD5470M |
| Severity | normal |
| Classification | Unclassified |
| OS | Linux (All) |
| Reporter | brunojimen@gmail.com |
| Hardware | x86-64 (AMD64) |
| Status | NEW |
| Version | git |
| Component | Drivers/Gallium/r600 |
| Product | Mesa |
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 352e06d - opencv at commit bb4199b
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