[395198.926320] BTRFS warning (device sdc1): csum failed root 5 ino 276 off 19267584 csum 0x8941f998 expected csum 0xccd545e0 mirror 1 [395199.147439] BTRFS warning (device sdc1): csum failed root 5 ino 276 off 20611072 csum 0x8941f998 expected csum 0xdaf657cb mirror 1 [395199.183680] BTRFS warning (device sdc1): csum failed root 5 ino 276 off 24190976 csum 0x8941f998 expected csum 0xcddce0b1 mirror 1 [395199.185172] BTRFS warning (device sdc1): csum failed root 5 ino 276 off 19267584 csum 0x8941f998 expected csum 0xccd545e0 mirror 1 [395199.330841] BTRFS warning (device sdc1): csum failed root 5 ino 277 off 0 csum 0x8941f998 expected csum 0xa54d865c mirror 1 I have a USB stick that's corrupted, I get the above kernel messages when I try to copy files from it. But according to btrfs dev sta it has had 0 read and 0 corruption errors. root@xev:/mnt/tmp# btrfs dev sta . [/dev/sdc1].write_io_errs 0 [/dev/sdc1].read_io_errs 0 [/dev/sdc1].flush_io_errs 0 [/dev/sdc1].corruption_errs 0 [/dev/sdc1].generation_errs 0 root@xev:/mnt/tmp# uname -a Linux xev 5.6.0-2-amd64 #1 SMP Debian 5.6.14-1 (2020-05-23) x86_64 GNU/Linux -- My Main Blog http://etbe.coker.com.au/ My Documents Blog http://doc.coker.com.au/
