| Bug ID | 105188 |
|---|---|
| Summary | Monitors don't always wake up after sleep |
| Product | DRI |
| Version | unspecified |
| Hardware | x86-64 (AMD64) |
| OS | Linux (All) |
| Status | NEW |
| Severity | normal |
| Priority | medium |
| Component | DRM/AMDgpu |
| Assignee | dri-devel@lists.freedesktop.org |
| Reporter | mbartoszkiewicz@gmail.com |
Created attachment 137497 [details]
Kernel log
Hardware:
GPU: Gigabyte Radeon RX 480 G1 Gaming 8GB
Monitors: 3× Eizo FlexScan S2243W, connected using DP
Software:
Distribution: Gentoo
Kernel: 4.15.4
x11-drivers/xf86-video-amdgpu-1.4.0
x11-base/xorg-server-1.19.6
media-libs/mesa-18.0.0_rc4
x11-libs/libdrm-2.4.89
The monitors do not always correctly wake up from sleep.
E.g. after locking the session, the monitors go to sleep.
After pressing a key, only some wake up – the rest are still sleeping.
It does not seem to be deterministic – sometimes a monitor will wake up
correctly, sometimes not.
The kernel log attached is after running the following script:
for i in {1..5}; do echo "XXX before suspend $i" | sudo tee /dev/kmsg; xset
dpms force suspend; sleep 10; echo "XXX before on $i" | sudo tee /dev/kmsg;
xset dpms force on; sleep 10; echo "XXX status $i:" $(cat
/sys/devices/pci0000:00/0000:00:03.0/0000:03:00.0/drm/card0/card0-DP-*/status)
| sudo tee /dev/kmsg; done
I am not sure if it is directly related to this issue, but the kernel log
contains two refcount_t warnings in amdgpu code.
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