| Bug ID | 103277 |
|---|---|
| Summary | [bisected] Systems hangs on resume from S3 sleep due to "Match actual state during S3 resume" commit |
| Product | DRI |
| Version | DRI git |
| Hardware | x86-64 (AMD64) |
| OS | Linux (All) |
| Status | NEW |
| Severity | blocker |
| Priority | medium |
| Component | DRM/AMDgpu |
| Assignee | dri-devel@lists.freedesktop.org |
| Reporter | jb5sgc1n.nya@20mm.eu |
After I updated my kernel to https://cgit.freedesktop.org/~agd5f/linux/log/?h=amd-staging-drm-next as of today (latest commit at this time: 1c630e83443a0f271c192ecfa0d94023661a0000) I noticed that my computer would no longer wake up from S3 sleep - power LED goes on, but apart from that no display and no reaction to any input (other than Num-Lock still switchable). The difference to the ~2 weeks older kernel was 100% reproducable by just doing: - boot to console (no start of X11 required) and login as root - echo "mem" >/sys/power/state - wait till power LED blinks - press some key to wake up the system - observe no display output and no reaction to anything GPU is a RX 460, CPU a Ryzen R7 1800X, board Asus X370 Pro, connected is one 4k display via HDMI 2.0. I bisected the git commits, and the one that causes the bug is: > 7ae4acd21e9e264afb079e23d43bcf2238c7dbea > drm/amd/display: Match actual state during S3 resume. After this, I went back to the current HEAD of amd-staging-drm-next and (manually) reverted only commit 7ae4acd21e9e264afb079e23d43bcf2238c7dbea, and this indeed results in a kernel that works fine with regards to resuming from S3 sleep. There are no noteworthy "dmesg"-emissions that accompany going to S3 sleep, but the dmesg-output that I can collect ends slightly before the system actually sleeps, so wether anything is emitted upon the wake-up attempt, I have no way to know.
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