Created attachment 115760 [details] dmesg ==System Environment== -------------------------- Regression: NOt sure. Non-working platforms: SKLY ==kernel== -------------------------- nightly: 7dcedb8e7bbf49f1342df21851d9b36786ff67ce (fails) drm-intel-nightly: 2015y-05m-11d-16h-51m-26s UTC integration manifest fixes: 364aece01a2dd748fc36a1e8bf52ef639b0857bd (fails) drm/i915: Avoid GPU hang when coming out of s3 or s4 ==Bug detailed description== ----------------------------- The system will shutdown while resume frome the S3 test. ==Reproduce steps== ---------------------------- 1. Boot the system 2. echo mem > /sys/power/state 3. Resume,the machine shutdown
Correct the bug failure symptom: Test with latest drm-intel-nightly branch: Put system into S3, resume back by clicking power button,edp display show black screen after S3 resume. This was resolved on eywa kernel tree ,but still exist on the drm-intel-nightly branch kernel.
Hi Xu Bin, please add "log_buf_len=4M" to kernel parameter to get the full dmesg log.
Damien, are these [1] the patches that are supposed to fix this? [1] http://lists.freedesktop.org/archives/intel-gfx/2015-April/065659.html
Yes, I still need to re-spin that series with the comments addressed.
Created attachment 115869 [details] dmesg with log_buf_len=4M
This should be fixed in -nightly now.
Test 5 cycles S3 entry and resume on SKL-Mobile, with drm-intel-nightly branch kernel：790a30_20150522 S3 is working normally, change this bug status to verified.
Closing old verified.
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