Hi Andreas, It's normally a good idea to provide your kernel version with any bug reports... On Mon, 6 Apr 2020 20:21:55 +0200, Andreas Kinzler wrote: > [ 3683.414936] bio error: 0000000024d02dea, err: 10 > > This is from target_core_iblock.c function "iblock_bio_done". > > Any ideas? Hints? This looks like an I/O error from the block layer / underlying dm-crypt block device. It's not much to go on, but I'd suggest tracing the I/O further down the stack. Cheers, David