Sure, would you prefer me testing on 5.15.x or something else? > On 7. Aug 2024, at 04:55, Yu Kuai <yukuai1@xxxxxxxxxxxxxxx> wrote: > > Hi, > > 在 2024/08/06 22:10, Christian Theune 写道: >> we are seeing an issue that can be triggered with relative ease on a server that has been working fine for a few weeks. The regular workload is a backup utility that copies off data from virtual disk images in 4MiB (compressed) chunks from Ceph onto a local NVME-based RAID-6 array that is encrypted using LUKS. >> Today I started a larger rsync job from another server (that has a couple of million files with around 200-300 gib in total) to migrate data and we’ve seen the server suddenly lock up twice. Any IO that interacts with the mountpoint (/srv/backy) will hang indefinitely. A reset is required to get out of this as the machine will hang trying to unmount the affected filesystem. No other messages than the hung tasks are being presented - I have no indicator for hardware faults at the moment. >> I’m messaging both dm-devel and linux-raid as I’m suspecting either one or both (or an interaction) might be the cause. >> Kernel: >> Linux version 5.15.138 (nixbld@localhost) (gcc (GCC) 12.2.0, GNU ld (GNU Binutils) 2.40) #1-NixOS SMP Wed Nov 8 16:26:52 UTC 2023 > > Since you can trigger this easily, I'll suggest you to try the latest > kernel release first. > > Thanks, > Kuai > >> See the kernel config attached. Liebe Grüße, Christian Theune -- Christian Theune · ct@xxxxxxxxxxxxxxx · +49 345 219401 0 Flying Circus Internet Operations GmbH · https://flyingcircus.io Leipziger Str. 70/71 · 06108 Halle (Saale) · Deutschland HR Stendal HRB 21169 · Geschäftsführer: Christian Theune, Christian Zagrodnick
