Created attachment 143671 [details] journalctl -b -1 -k I am running Ubuntu 18.10. This is the PH517-61 Acer Predator Helios 500 with the Ryzen processor. I have temporarily disabled suspend. If I do let the laptop suspend and then hit the keyboard I get what appears to be a TV with no signal. At this point I manually power down and then power up again and am able to view things on screen. I have reported this downstream here: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1813820 in log.txt I have attached the output of 'journalctl -b -1 -k' uname -a: 5.0.2-050002-generic #201903131832 SMP Wed Mar 13 22:35:19 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux Loaded newer kernel from this source: https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.0.2/ This is a Vega 56 card but here is what I get with this command: lspci -k | grep -EA3 'VGA|3D|Display' 08:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Vega 10 XT [Radeon RX Vega 64] (rev c7) Subsystem: Acer Incorporated [ALI] Vega 10 XT [Radeon RX Vega 64] Kernel driver in use: amdgpu Kernel modules: amdgpu glxinfo | grep "OpenGL version" OpenGL version string: 4.4 (Compatibility Profile) Mesa 18.2.2 Expected Behaviour: I expect to continue to be able to use my machine normally and be able to see what is happening on screen. Actual Behaviour: Static on screen obscures everything.
I don't see anything immediately wrong in the log at the first glance at least so it'd be helpful if you could post your dmesg log from after the problem occurred with drm.debug=4 in your kernel boot parameters. Please post your xorg log if applicable as well.
Steps I took: 1. added drm.debug=4 to /etc/default/grub 2. sudo update-grub 3. reboot 4. reproduced the issue 5. rebooted using ctrl-sysrq-reisub 6. dumped this dmesg into log.txt
Created attachment 143692 [details] dmesg after reproducing issue and rebooting
Created attachment 143693 [details] dmesg where i ssh'd into machine during the screen static
Created attachment 143698 [details] Xorg Log around the recreation of the problem
Created attachment 143699 [details] Xorg.old log when the error was reproduced
tested the kernel from here today with the same result: https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.1-rc4/ generic amd64
I have updated to Ubuntu 19.04 and still getting the same result. Please let me know what steps to take next to get this issue resolved.
I would like to add to this some additional troubleshooting I have performed, in case it is of use. just a short history: I am unable to suspend with any Linux distribution and be able to resume again. Currently running Ubuntu 19.04. I am attempting to follow the steps here to trace the problem: https://wiki.ubuntu.com/DebuggingKernelSuspend This is what I have done so far: $ sudo apt install pm-utils $ sudo sh -c "sync && echo 1 > /sys/power/pm_trace && pm-suspend" I resumed but got my usual screen garbage (looks like static on the screen). I ssh'd in and did a sudo reboot Right away I ran this: $ dmesg > dmesg_post_boot.txt I looked for Magic number in the dmesg per the ubuntu wiki above and found these lines: [ 0.950964] Magic number: 0:66:1001 [ 0.950965] hash matches drivers/base/power/main.c:1012 Now the instructions are to exclude this module from the next boot and see if I can replicate the problem. How do I exclude main.c or do I even want to? Is it even possible that the bug is here?
Created attachment 144270 [details] Most Recent dmesg with magic number
I can reproduce on the same machine, but I get rainbow static, not grey.
yes i should mention most of my static is grey but there are colours in there as well
I can confirm this behavior at Ubuntu 18.04.2 LTS with Acer PH517-61 notebook. The minor addition is that the issue concerns only the built-in display. In two display configuration after wake up the external display seems to be normal.
happened to me too using Opensuse Tumbleweed with kernel 5.1.7 and MESA 19.0.5, I have been try to disable power management in amdgpu via kernel paramater but still happen. this happen to me while I play some game(s) such Mutant Zero Year and Uboat on the STEAM, while other games seems doesnt trigger this static greyed display such as The Witcher 3 I cant log/reproduce any error messages since I'm using the laptop display (Acer Predator Helios 500 Ryzen 2700 with vega56) but maybe I can show my recorded video taken from my phone while this display glitch happened.
This issue also occurs on Windows. AMD support says that it will be fixed in the next Windows update; could they possibly contribute that same fix to Linux?
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