FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master commit 3a03dfb057d0ee5f3146ffe40179af3ed7e48213 ("drm/i915: Calculate vblank timestamping constants before enabling vblank.")
[ 29.944531] [drm] Driver supports precise vblank timestamp query. [ 29.954553] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 29.986458] [drm:drm_calc_timestamping_constants [drm]] *ERROR* crtc 21: Can't calculate constants, dotclock = 0! [ 31.008632] [drm:stop_ring [i915]] *ERROR* render ring : timed out trying to stop ring [ 32.022144] [drm:stop_ring [i915]] *ERROR* render ring : timed out trying to stop ring [ 32.031521] [drm:init_ring_common [i915]] *ERROR* failed to set render ring head to zero ctl 0001f001 head 00000064 tail 000000c0 start 00012000 [ 32.047317] [drm:i915_gem_init [i915]] *ERROR* Failed to initialize GPU, declaring it wedged [ 32.059922] fbcon: inteldrmfb (fb0) is primary device [ 32.066662] ACPI: Video Device [GFX0] (multi-head: yes rom: no post: no) [ 32.067027] input: Video Bus as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input6 To reproduce: git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git cd lkp-tests bin/lkp install job.yaml # job file is attached in this email bin/lkp run job.yaml Thanks, Ying Huang
kmsg.xz
Description: application/xz
job.yaml
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reproduce
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