http://bugzilla.opensuse.org/show_bug.cgi?id=909883 Bug ID: 909883 Summary: DomU guest fails to boot if guest /etc/stab includes 'journal_checksum': "EXT4-fs (xvdc1): changing journal_checksum during remount not supported" Classification: openSUSE Product: openSUSE Distribution Version: 13.2 Hardware: x86-64 OS: openSUSE 13.2 Status: NEW Severity: Normal Priority: P5 - None Component: Xen Assignee: jdouglas@suse.com Reporter: grantksupport@operamail.com QA Contact: qa-bugs@suse.de Found By: --- Blocker: --- i'm booting an Opensuse 13.2 Xen PV DomU on a Opensuse 13.2 host. xen version is xen-4.4.1_06-342.2.x86_64 both Dom0 & DomU run kernel-xen-3.18.0-1.1.gfc82a91.x86_64 xen boot config is guest.cfg name = 'guest' builder = 'linux' bootloader = 'pygrub' bootargs = '' maxmem = 1024 memory = 1024 vcpus = 1 disk = [ 'phy:/dev/VG0/boot,xvda,w', 'phy:/dev/VG0/swap,xvdb,w', 'phy:/dev/VG0/root,xvdc,w', ] root = '/dev/xvdc1' vif = [ 'mac=00:16:3E:10:10:01, bridge=br0, vifname=vif1, ] vfb = [ 'type=vnc, vncdisplay=10, vnclisten=127.0.0.1' ] extra = 'textmode=1 xencons=xvc0 console=hvc0' on_shutdown = 'destroy' on_reboot = 'restart' on_crash = 'destroy' with DomU fstab, cat /etc/fstab /dev/xvda1 /boot ext4 relatime,acl,user_xattr,barrier=1 1 2 /dev/xvdc1 / ext4 relatime,acl,user_xattr,barrier=1 1 1 /dev/xvdb1 swap swap defaults 0 0 proc /proc proc defaults 0 0 sysfs /sys sysfs noauto 0 0 debugfs /sys/kernel/debug debugfs noauto 0 0 devpts /dev/pts devpts mode=0620,gid=5 0 0 the Guest boots ok changing in the Guest DomU vi /etc/fstab ... - /dev/xvdc1 / ext4 relatime,acl,user_xattr,barrier=1 1 1 + /dev/xvdc1 / ext4 relatime,acl,user_xattr,barrier=1,journal_checksum 1 1 mkinitrd on reboot, fails to start logs @ console ... [ 5.308967] EXT4-fs (xvdc1): changing journal_checksum during remount not supported [FAILED] Failed to start Remount Root and Kernel File Systems. See "systemctl status systemd-remount-fs.service" for details. Starting Load/Save Random Seed... ... and dmesg | tail ... [ 156.409293] EXT4-fs (xvdc1): changing journal_checksum during remount not supported ... suspecting that journal_checksum needs to be explicitly enabled, reading at https://ext4.wiki.kernel.org/index.php/Ext4_Metadata_Checksums "... To enable checksums on an existing filesystem, first make sure that the filesystem will pass fsck (or back up your data). Then, simply turn on metadata_csum via tune2fs, e.g. tune2fs -O metadata_csum /dev/path/to/disk. ..." @ Dom0, attempt to set the param fails kpartx -av /dev/VG0/root add map VG0-root1 (254:16): 0 10457088 linear /dev/VG0/root 2048 fsck -y /dev/mapper/VG0-root1 fsck from util-linux 2.25.1 e2fsck 1.42.12 (29-Aug-2014) /dev/mapper/VG0-root1: clean, 48130/327040 files, 468411/1307136 blocks tune2fs -O metadata_csum /dev/mapper/VG0-root1 tune2fs 1.42.12 (29-Aug-2014) !! Setting filesystem feature 'metadata_csum' not supported. -- You are receiving this mail because: You are on the CC list for the bug.