linux-kernel - [lkp] [drm/i915] 7f072451f2d: [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe B FIFO underrun

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Message-ID: <557E77A1.8060607@intel.com>
Date:	Mon, 15 Jun 2015 14:58:41 +0800
From:	Huang Ying <ying.huang@...el.com>
To:	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>
CC:	Jani Nikula <jani.nikula@...el.com>,
	LKML <linux-kernel@...r.kernel.org>, lkp@...org
Subject: [lkp] [drm/i915] 7f072451f2d: [drm:intel_cpu_fifo_underrun_irq_handler
 [i915]] *ERROR* CPU pipe B FIFO underrun

FYI, we noticed the below changes on

git://anongit.freedesktop.org/drm-intel drm-intel-next-queued
commit 7f072451f2d3d53e4f6939440e15ab36afed2051 ("drm/i915: Implement intel_crtc_control using atomic state, v4")

Test Environment check: Succeeded.
[0/2]  Running Test(s): 0
[   87.315159] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe B FIFO underrun
[   87.323386] [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH transcoder B FIFO underrun
[1/2] pass: 1 Running Test(s): 1
[2/2] dmesg-warn: 1, pass: 1
Thank you for running Piglit!
Results have been written to /tmp/lkp/piglit-results-0/results.json
igt/kms_flip/rcs-wf_vblank-vs-dpms.seconds: 129.532452335
2015-06-12 04:39:32 piglit summary console /tmp/lkp/piglit-results-0
igt/kms_flip/rcs-wf_vblank-vs-dpms: pass
igt/kms_flip/rcs-wf_vblank-vs-dpms-interruptible: dmesg-warn
summary:
       pass: 1
       fail: 0
      crash: 0
       skip: 0
    timeout: 0
       warn: 0
 dmesg-warn: 1
 dmesg-fail: 0
      total: 2
all tests finished


To reproduce:

	apt-get install ruby
	git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git
	cd lkp-tests
	bin/setup-local job.yaml # the job file attached in this email
	bin/run-local   job.yaml


Thanks,
Ying Huang



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