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FS#71728 - BTRFS bug causing 100% CPU usage

Attached to Project: Arch Linux
Opened by BrĂ¡ulio Barros de Oliveira (brauliobo) - Wednesday, 04 August 2021, 13:17 GMT
Last edited by Jan Alexander Steffens (heftig) - Wednesday, 29 September 2021, 16:53 GMT
Task Type Bug Report
Category Kernel
Status Closed
Assigned To Jan Alexander Steffens (heftig)
Architecture All
Severity Critical
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No


kworker/u64:13+events_unbound kernel process using CPU 100%

Please see details and the proposed patch at
This task depends upon

Closed by  Jan Alexander Steffens (heftig)
Wednesday, 29 September 2021, 16:53 GMT
Reason for closing:  Works for me
Comment by - (fx333) - Wednesday, 29 September 2021, 16:36 GMT
I think this can be closed.
While I don't know which commit fixed it and some unclarity exists in the bugzilla issue, I haven't seen this bug *once* since upgrading to 5.14 almost a month ago (had it daily on 5.13 before).