FS#73475 - cpuidle_enter_state uses 100% of one CPU core
Attached to Project:
Arch Linux
Opened by George Stelle (stelleg) - Sunday, 23 January 2022, 16:44 GMT
Last edited by Jan Alexander Steffens (heftig) - Friday, 25 February 2022, 14:55 GMT
Opened by George Stelle (stelleg) - Sunday, 23 January 2022, 16:44 GMT
Last edited by Jan Alexander Steffens (heftig) - Friday, 25 February 2022, 14:55 GMT
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Details
Description: kernel cpuidle_enter_state pegging a cpu core
and makes system unresponsive
Attached is a perf report from running `sudo perf record -g -a sleep 30`, as well as an htop screenshot, and dmesg output. falling back to linux-lts 5.15.16-1 works as a temporary fix Additional info: * package version(s) linux 5.16.2.arch1-1 * config and/or log files etc. no boot flags Intel(R) Core(TM) i5-6440HQ CPU * link to upstream bug report, if any couldn't find upstream bug report Steps to reproduce: boot kernel on listed CPU. intel speedstep enabled by bios, not sure if that's relevant. |
This task depends upon
Closed by Jan Alexander Steffens (heftig)
Friday, 25 February 2022, 14:55 GMT
Reason for closing: Fixed
Friday, 25 February 2022, 14:55 GMT
Reason for closing: Fixed
Comment by
George Stelle (stelleg) - Friday,
25 February 2022, 14:51 GMT
The issue appears to be fixed as of 5.16.11, so I'm guessing it
was reported upstream and I just missed it.