| Bug ID | 96731 |
|---|---|
| Summary | [RADEONSI] [LLVM] [bisected] GPU lockups when running Alien: Isolation |
| Product | Mesa |
| Version | git |
| Hardware | Other |
| OS | All |
| Status | NEW |
| Severity | normal |
| Priority | medium |
| Component | Drivers/Gallium/radeonsi |
| Assignee | dri-devel@lists.freedesktop.org |
| Reporter | arek.rusi@gmail.com |
| QA Contact | dri-devel@lists.freedesktop.org |
Created attachment 124784 [details]
gpu lockups part from dmesg
Hi, GPU trying reset few times but hang at the end.
ArchLinux 64
Radeon HD 7770
mesa latest from git
kernel 4.7rc
libdrm latest from git
first bad commit is:
r273467 | arsenm | 2016-06-22 22:15:28 +0200 |
AMDGPU: Fix verifier errors in SILowerControlFlow
The main sin this was committing was using terminator
instructions in the middle of the block, and then
not updating the block successors / predecessors.
Split the blocks up to avoid this and introduce new
pseudo instructions for branches taken with exec masking.
Also use a pseudo instead of emitting s_endpgm and erasing
it in the special case of a non-void return.
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