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Steam causing kernel panic / system freeze
Hi has anyone had issues with steam since the Jan 3rd updates in -current?
I'm using alienbobs steamclient package. I launched steam after updating the recent packages and reinstalling the nvidia driver... The entire computer just hangs, having to literally pull the plug. After booting back up, the scripts in ~/.local/share/Steam are all 0 in size. I decided to delete the entire local steam folder and start clean, running steam again. The prompt for steam downloading an update is visible as normal, and the local folder is repopulated, but then once this finishes... The system completely locks up. I believe this could be related to the new kernel package, but I'm not sure. I am getting no other issues besides steam completely crashing my computer. Is anyone else getting this problem and what is the best way to find out what is actually happening here? ---- Edit 1: also steam worked fine just before I updated to the latest -current packages from Jan 3rd. ---- Edit 2: i've just tried looking through every log file in /var/log and cannot find anything about a panic, crash or even a segfault. Oddly, my keyboard doesn't have a sysrq key, but upon the freeze after steam is run, no input works at all, not even toggling the caps lock LED for example. |
SOLVED. This problem is related to the recent CPU security patches involving Intel (despite me having an amd fx 8320 cpu...)
Add this to your kernel boot commands: Code:
nopti |
Just spotted this patch included in Arch's latest kernel of 4.14.11, https://git.archlinux.org/svntogit/p...3ba403ff798529
It disables the pti related patch on AMD CPUS. Might be worth applying that on Slackware if you have an AMD CPU for the time being, although the bootloader option for "nopti" seems to be adequate. |
Quote:
Code:
- Exclude AMD from the PTI enforcement. Not necessarily a fix, but if |
After updating to 4.14.11 with PTI enforcement built in I encountered a reproducible full system crash after running slackpkg in a 32-bit 14.2 chroot.
As I have an amd cpu I added 'nopti' to my /etc/lilo.conf and the crashes went away... |
Quote:
https://cdn.kernel.org/pub/linux/ker...ngeLog-4.14.12 Quote:
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No crash in 4.14.12 for me, but I suppose this is because PTI was masked for amd.
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After reboot, whiskermenu was with default configurations and the hierarchy in the Wine menu was lost, so I think other files opened at the time of freeze could get corrupted too. |
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