Created attachment 114140 [details] dmesg ==System Environment== -------------------------- Non-working platforms: SNB Regression :No, this issue always exist. ==kernel== -------------------------- origin/drm-intel-nightly: c2f6e584b215dd0d7e5a8a02716a89e985366ec0(2015-03-08) ==Bug detailed description== ----------------------------- igt/kms_setmode/clone-single-crtc will cause dmesg warn root@x-sgb3:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# dmesg -r |grep drm|grep '<[1-4]>' <3>[ 73.506848] [drm:ironlake_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun <3>[ 78.546967] [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo underrun on pch transcoder B <3>[ 78.693750] [drm:ironlake_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun ==Reproduce steps== ---------------------------- 1. ./kms_setmode --run-subtest clone-single-crtc
Timeout, closing. Please reopen if the problem persists with latest kernels.
Closing resolved+worksforme after ~1 year timeout.
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