On Sun, Feb 16, 2025 at 12:26:06AM +0100, Malte Schröder wrote: > On 15/02/2025 18:11, Matthew Wilcox wrote: > > On Sat, Feb 15, 2025 at 01:34:33PM +0100, Malte Schröder wrote: > >> Hi, > >> I am getting stuff freezing randomly since 6.14-rc. I do not have a clear way to > > When you say "since 6.14-rc", what exactly do you mean? 6.13 is fine > > and 6.14-rc2 is broken? Or some other version? > 6.13 and 6.13 + bcachefs-master was fine. Issue started with 6.14-rc1. That's interesting. > > This seems very similar to all of these syzbot reports: > > https://lore.kernel.org/linux-bcachefs/Z6-o5A4Y-rf7Hq8j@xxxxxxxxxxxxxxxxxxxx/ > > > > Fortunately, syzbot thinks it's bisected one of them: > > https://lore.kernel.org/linux-bcachefs/67b0bf29.050a0220.6f0b7.0010.GAE@xxxxxxxxxx/ > > > > Can you confirm? > > >From my limited understanding of how bcachefs works I do not think this > commit is the root cause of this issue. That commit just changes the > autofix flags, so it might just uncover some other issue in fsck code. > Also I've been running that code before the 6.14 merge without issues. If you have time to investigate this, seeing if you can reproduce this on commit 141526548052 and then (if it does reproduce) bisecting between that and v6.13-rc3 might lead us to the real commit that's causing the problem.