http://bugzilla.opensuse.org/show_bug.cgi?id=1201114 http://bugzilla.opensuse.org/show_bug.cgi?id=1201114#c6 --- Comment #6 from Gene Snider <genes1122@gmail.com> --- It's not btrfs specific, here's the log for the same operations on an ext4 partition. Jul 08 11:44:23 Mobile-PC sudo[3379]: gene : TTY=pts/0 ; PWD=/home/gene ; USER=root ; COMMAND=/usr/bin/umount -v -R /mnt/chroot Jul 08 11:44:23 Mobile-PC sudo[3379]: pam_unix(sudo:session): session opened for user root(uid=0) by (uid=1000) Jul 08 11:44:23 Mobile-PC systemd[1]: mnt-chroot-sys-kernel-security.mount: Deactivated successfully. Jul 08 11:44:23 Mobile-PC sudo[3379]: pam_unix(sudo:session): session closed for user root Jul 08 11:44:23 Mobile-PC systemd[1]: mnt-chroot-sys-kernel-config.mount: Deactivated successfully. Jul 08 11:44:23 Mobile-PC systemd[1]: mnt-chroot-sys-fs-fuse-connections.mount: Deactivated successfully. Jul 08 11:44:23 Mobile-PC systemd[1]: mnt-chroot-sys-kernel-tracing.mount: Deactivated successfully. Jul 08 11:44:23 Mobile-PC systemd[1]: mnt-chroot-sys-kernel-debug.mount: Deactivated successfully. Jul 08 11:44:23 Mobile-PC systemd[1]: mnt-chroot-sys-fs-bpf.mount: Deactivated successfully. Jul 08 11:44:23 Mobile-PC systemd[1]: mnt-chroot-sys-firmware-efi-efivars.mount: Deactivated successfully. Jul 08 11:44:23 Mobile-PC systemd[1]: mnt-chroot-sys-fs-pstore.mount: Deactivated successfully. Jul 08 11:44:23 Mobile-PC systemd[1]: mnt-chroot-sys-fs-cgroup.mount: Deactivated successfully. Jul 08 11:44:23 Mobile-PC systemd[1]: mnt-chroot-sys.mount: Deactivated successfully. Jul 08 11:44:23 Mobile-PC systemd[1]: mnt-chroot.mount: Deactivated successfully. Jul 08 11:44:23 Mobile-PC systemd[1448]: Created slice User Background Tasks Slice. Jul 08 11:44:23 Mobile-PC systemd[1448]: Starting Cleanup of User's Temporary Files and Directories... Jul 08 11:44:23 Mobile-PC systemd[1448]: Finished Cleanup of User's Temporary Files and Directories.
# unplug
Jul 08 11:44:36 Mobile-PC kernel: usb 2-1: USB disconnect, device number 2 Jul 08 11:44:36 Mobile-PC kernel: device offline error, dev sdb, sector 0 op 0x1:(WRITE) flags 0x800 phys_seg 0 prio class 0 Jul 08 11:44:36 Mobile-PC systemd[1]: Stopping Sabrent-Samsung temperature monitor daemon, started by udev rule... Jul 08 11:44:36 Mobile-PC systemd[1]: Sabrent-Samsung-tempd.service: Deactivated successfully. Jul 08 11:44:36 Mobile-PC systemd[1]: Stopped Sabrent-Samsung temperature monitor daemon, started by udev rule. Jul 08 11:44:36 Mobile-PC systemd[1]: Sabrent-Samsung-tempd.service: Consumed 1.867s CPU time. Jul 08 11:44:36 Mobile-PC kernel: sd 2:0:0:0: [sdb] Synchronizing SCSI cache Jul 08 11:44:36 Mobile-PC kernel: sd 2:0:0:0: [sdb] Synchronize Cache(10) failed: Result: hostbyte=DID_ERROR driverbyte=DRIVER_OK
sudo rmdir /mnt/chroot
Jul 08 11:44:47 Mobile-PC sudo[3426]: gene : TTY=pts/0 ; PWD=/home/gene ; USER=root ; COMMAND=/usr/bin/rmdir /mnt/chroot Jul 08 11:44:47 Mobile-PC sudo[3426]: pam_unix(sudo:session): session opened for user root(uid=0) by (uid=1000) Jul 08 11:44:47 Mobile-PC kernel: Buffer I/O error on dev sdb3, logical block 1081344, lost sync page write Jul 08 11:44:47 Mobile-PC kernel: JBD2: Error -5 detected when updating journal superblock for sdb3-8. Jul 08 11:44:47 Mobile-PC kernel: Aborting journal on device sdb3-8. Jul 08 11:44:47 Mobile-PC kernel: Buffer I/O error on dev sdb3, logical block 1081344, lost sync page write Jul 08 11:44:47 Mobile-PC kernel: JBD2: Error -5 detected when updating journal superblock for sdb3-8. Jul 08 11:44:47 Mobile-PC kernel: EXT4-fs error (device sdb3): ext4_put_super:1226: comm rmdir: Couldn't clean up the journal Jul 08 11:44:47 Mobile-PC kernel: EXT4-fs (sdb3): Remounting filesystem read-only Jul 08 11:44:47 Mobile-PC sudo[3426]: pam_unix(sudo:session): session closed for user root Lots of different error messages, but that's expected. Gene -- You are receiving this mail because: You are on the CC list for the bug.