| Summary: | [SNB] The graphical corruption and GPU hang occur sometimes on the piglit test "arb_texture_multisample-large-float-texture" with parameter --fp16 | ||
|---|---|---|---|
| Product: | Mesa | Reporter: | asimiklit <andrey.simiklit> |
| Component: | Drivers/DRI/i965 | Assignee: | Intel 3D Bugs Mailing List <intel-3d-bugs> |
| Status: | RESOLVED FIXED | QA Contact: | Intel 3D Bugs Mailing List <intel-3d-bugs> |
| Severity: | normal | ||
| Priority: | medium | CC: | kenneth |
| Version: | 18.2 | ||
| Hardware: | Other | ||
| OS: | All | ||
| Whiteboard: | |||
| i915 platform: | i915 features: | ||
| Attachments: |
The graphical corruption example 1
log with options INTEL_DEBUG=bat,buf |
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Created attachment 141200 [details] log with options INTEL_DEBUG=bat,buf Pay attention that the last batch of log has an aperture with negative value "(-1023.8Mb aperture)" and this last batch does not have STATE_BASE_ADDRESS command. The solution is suggested: https://patchwork.freedesktop.org/patch/245277/ This issue was fixed by patch (2/2): Commit: https://cgit.freedesktop.org/mesa/mesa/commit/?id=e4e0fd5ffe1de9078ac8906155e1a80ca2006994 The another patch 1/2 from this series was reverted due to regression: Commit: https://cgit.freedesktop.org/mesa/mesa/commit/?id=5f312e95f8775e050ef9f8218be0eed6da1ee21d Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=108630 But anyway the patch 2/2, which was successfully accepted, fixed this bug. |
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Created attachment 141199 [details] The graphical corruption example 1 The root cause of the bug is found and solution will be shortly.