[Bug 106538] New: [CI][GLK] drm:intel_cpu_fifo_underrun_irq_handler [i915] *ERROR* CPU pipe B FIFO underrun
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Wed May 16 07:25:00 UTC 2018
https://bugs.freedesktop.org/show_bug.cgi?id=106538
Bug ID: 106538
Summary: [CI][GLK] drm:intel_cpu_fifo_underrun_irq_handler
[i915] *ERROR* CPU pipe B FIFO underrun
Product: DRI
Version: unspecified
Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: DRM/Intel
Assignee: intel-gfx-bugs at lists.freedesktop.org
Reporter: tomi.p.sarvela at intel.com
QA Contact: intel-gfx-bugs at lists.freedesktop.org
CC: intel-gfx-bugs at lists.freedesktop.org
FIFO underruns made an appearance on Gemini Lake NUCs. Examples of tests it
hits:
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4182/shard-glk4/igt@kms_cursor_legacy@cursorb-vs-flipb-toggle.html
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4182/shard-glk4/igt@kms_cursor_legacy@flip-vs-cursor-crc-atomic.html
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4182/shard-glk4/igt@kms_busy@extended-pageflip-modeset-hang-oldfb-render-b.html
This might be residual issues from 4.17-rc5 pull, and happened only on one run
on host, so we'll follow if it happens again.
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