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  • #1772
Closed
Open
Created Sep 25, 2019 by Bugzilla Migration User@bugzilla-migration

[BSW] Mesa "total_needs <= urb_chunks" abort in GfxBench CarChase startup, when asserts are enabled

Submitted by Eero Tamminen

Assigned to Intel 3D Bugs Mailing List

Link to original bug (#108787)

Description

Setup:

  • BSW N3050
  • Ubuntu 18.04
  • Gfx stack built from Git
  • GfxBench v4 / v5 (reproduced with latter, but v4 should work the same)

Use-case:

  • bin/testfw_app --gfx glfw --gl_api desktop_core --width 1920 --height 1080 --fullscreen 1 --test_id gl_4

Actual outcome:

  • Abort with following message: testfw_app: src/intel/common/gen_urb_config.c:152: gen_get_urb_config: Assertion `total_needs <= urb_chunks' failed.

This regressed between following Mesa commits: 41c8f991: 2018-11-12 18:28:04: util: Fix warning in u_cpu_detect on non-x86 e13dd705: 2018-11-14 14:41:58: i965: avoid 'unused variable' warnings

In case it matters:

  • i965 has always misrendered Carchase benchmark on BSW, see bug 101406
  • GfxBench Vulkan Aztec Ruins and SynMark DeferredAA & TexMem128 started to GPU hang around 6th of November, but for now this seems more of a drm-tip kernel than Mesa issue

Version: git

Blocking

  • Bug 101406

See also

  • https://bugs.freedesktop.org/show_bug.cgi?id=92320
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