Wednesday, March 22, 2017

hp - HP15 Ubuntu 18.04 freezes

So I got a new HP15 (db0xxx) laptop at work, but unfortunately, it occasionally freezes. Freezes happen at random moments, sometimes after working for several hours and sometimes several days.




Mouse and keyboard are dead, can't start up the console, music that was playing is stuck. Sometimes I can kill the system with alt+sysreq+REISUB, sometimes I can't and I have to shut down by the power button.



I've done some research on the internet and the only suggestion I could find was that it may be a hardware issue. Processor is Ryzen 3, GPU Radeon Vega Mobile. Running Ubuntu 18.04.



I tried checking the logs, but I'm not sure what to look for since I'm new to Ubuntu. Any suggestions or solutions are appreciated.



Update 6/11
The following errors look similar:
https://bugzilla.redhat.com/show_bug.cgi?id=1562530
https://community.amd.com/thread/228365




Following suggestions in these threads, I tried:
- Resetting BIOS,
- Several kernels,
- Editing grub parameter: GRUB_CMDLINE_LINUX_DEFAULT="quiet splash idle=nomwait"



I'm not 100% sure if I edited the grub setting correctly, it was quite hard to find a basic explanation. It seems like the freezes happen less frequently, but they are not gone.

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