On 7/8/22 6:05 AM, Fabian Ebner wrote: > Without CIFS debugging, the error messages in syslog are, for 5.18.6: >> Jun 29 12:41:45 pve702 kernel: [ 112.664911] CIFS: VFS: \\192.168.20.241 Error -512 sending data on socket to server I think that one is most likely fine, it just tells you that (most likely) io_uring had task_work pending and that should get processed and then the IO retried. -- Jens Axboe