Created attachment 106826 [details] dmesg ==System Environment== -------------------------- Regression: This is first time I test this machine, and I fail to find a good commit. Non-working platforms: Braswell ==kernel== -------------------------- -nightly: 1c38dbc94bc61e685c72994cc9e634d4eb8c4da1 (fails) drm-intel-nightly: 2014y-09m-23d-14h-26m-24s UTC integration manifest -queued: 9adccc6063d1cf6ba38a5a26b87001554105be18 (fails) drm/i915: add SW tracking to FBC enabling -fixes: c84db77010877da6c5da119868ed54c43d59e726 (fails) drm/i915/hdmi: fix hdmi audio state readout ==Bug detailed description== ----------------------------- System is unable to goto S3. System will reboot after I type command line "echo mem > /sys/power/state". ==Reproduce steps== ---------------------------- 1. Do S3.
I disable i915.ko, this issue still exists. So , I think this is not i915 driver's issue.
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