Re: 5.14-0-rc5, splat in block_group_cache_tree_search while __btrfs_unlink_inode
From: Johannes Thumshirn <hidden>
Date: 2021-08-16 07:17:34
On 14/08/2021 06:33, Chris Murphy wrote:
I get the following call trace about 0.6s after dnf completes an update which I imagine deletes many files. I'll try to reproduce and get /proc/lock_stat [ 95.674507] kernel: BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! [ 95.676537] kernel: turning off the locking correctness validator. [ 95.676537] kernel: Please attach the output of /proc/lock_stat to the bug report
That can be "fixed" by bumping CONFIG_LOCKDEP_CHAINS_BITS. I have it set to 18 here.