Bug ID 909560
Summary Boot Failure: Remount Root and Kernel File System (readonly root file system)
Classification openSUSE
Product openSUSE Distribution
Version 13.2
Hardware Other
OS Other
Status NEW
Severity Normal
Priority P5 - None
Component Basesystem
Assignee bnc-team-screening@forge.provo.novell.com
Reporter freespacer@gmx.de
QA Contact qa-bugs@suse.de
Found By ---
Blocker ---

My intention is to install openSUSE 13.2 (DVD-Installation on USB-Stick) beside
an existing production system openSUSE 12.3. I install openSUSE 13.2 on
/dev/sdb8 (ext4) without Grub2 boot loader because I want to use the Grub2 boot
loader from openSUSE 12.3.

/etc/fstab from openSUSE 13.2:
UUID=757d8266-0144-4016-ab8c-51a741d2d530 swap                 swap      
defaults              0 0
UUID=10c0137f-ebb8-4ae3-9207-678ed9772597 /                    ext4      
acl,user_xattr        1 1

After reboot I execute grub2-mkconfig in openSUSE 12.3 and get this part in
grub.cfg for openSUSE 13.2:

menuentry 'openSUSE 13.2 (x86_64) (auf /dev/sdb8)' --class gnu-linux --class
gnu --class os $menuentry_id_option
'osprober-gnulinux-simple-10c0137f-ebb8-4ae3-9207-678ed9772597' {
        insmod part_msdos
        insmod ext2
        set root='hd2,msdos8'
        if [ x$feature_platform_search_hint = xy ]; then
          search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos8
--hint-efi=hd1,msdos8 --hint-baremetal=ahci1,msdos8 --hint='hd2,msdos8' 
10c0137f-ebb8-4ae3-9207-678ed9772597
        else
          search --no-floppy --fs-uuid --set=root
10c0137f-ebb8-4ae3-9207-678ed9772597
        fi
        linux /boot/vmlinuz root=/dev/sdb8
}

After booting into the fresh installed openSUSE 13.2. It mount the root file
system as readonly.

I get from systemd journal for the related part:
...
Dec 11 20:46:08 linux-bm94 kernel: Command line: BOOT_IMAGE=/boot/vmlinuz
root=/dev/sdb8 boot_delay=1000
...
Dec 11 20:46:08 linux-bm94 kernel:  sdb: sdb1 sdb2 sdb3 < sdb5 sdb6 sdb7 sdb8
sdb9 sdb10 sdb11 >
Dec 11 20:46:08 linux-bm94 kernel: sd 1:0:0:0: [sdb] Attached SCSI disk
Dec 11 20:46:08 linux-bm94 kernel: EXT4-fs (sdb8): couldn't mount as ext3 due
to feature incompatibilities
Dec 11 20:46:08 linux-bm94 kernel: EXT4-fs (sdb8): couldn't mount as ext2 due
to feature incompatibilities
Dec 11 20:46:08 linux-bm94 kernel: EXT4-fs (sdb8): mounted filesystem with
ordered data mode. Opts: (null)
Dec 11 20:46:08 linux-bm94 kernel: VFS: Mounted root (ext4 filesystem) readonly
on device 8:24.
...
Dec 11 20:46:08 linux-bm94 systemd-remount-fs[143]: mount: can't find
UUID=10c0137f-ebb8-4ae3-9207-678ed9772597
Dec 11 20:46:08 linux-bm94 systemd-remount-fs[143]: /bin/mount for / exited
with exit status 1.
...
Dec 11 20:46:10 linux-bm94 systemd[1]: Starting Remount Root and Kernel File
Systems...
Dec 11 20:46:10 linux-bm94 systemd-remount-fs[202]: mount: can't find
UUID=10c0137f-ebb8-4ae3-9207-678ed9772597
Dec 11 20:46:10 linux-bm94 systemd[1]: Failed to start Remount Root and Kernel
File Systems.
Dec 11 20:46:10 linux-bm94 systemd[1]: Unit systemd-remount-fs.service entered
failed state.
...


Next step I try to add a boot parameter rootfstype=ext4 and get also a readonly
file system.


I get from systemd journal for the related part now:
...
Dec 11 20:59:45 linux-bm94 kernel: Command line: BOOT_IMAGE=/boot/vmlinuz
root=/dev/sdb8 rootfstype=ext4
...
Dec 11 20:59:45 linux-bm94 kernel: sd 1:0:0:0: [sdb] Attached SCSI disk
Dec 11 20:59:45 linux-bm94 kernel: EXT4-fs (sdb8): mounted filesystem with
ordered data mode. Opts: (null)
Dec 11 20:59:45 linux-bm94 kernel: VFS: Mounted root (ext4 filesystem) readonly
on device 8:24.
...
Dec 11 20:59:45 linux-bm94 systemd[1]: Starting Remount Root and Kernel File
Systems...
Dec 11 20:59:45 linux-bm94 systemd-remount-fs[145]: mount: can't find
UUID=10c0137f-ebb8-4ae3-9207-678ed9772597
Dec 11 20:59:45 linux-bm94 systemd[1]: Failed to start Remount Root and Kernel
File Systems.
...
Dec 11 20:59:47 linux-bm94 systemd-remount-fs[217]: mount: can't find
UUID=10c0137f-ebb8-4ae3-9207-678ed9772597
Dec 11 20:59:47 linux-bm94 systemd[1]: Failed to start Remount Root and Kernel
File Systems.
...

I try to chroot into the openSUSE 13.2 system and run "zypper update". After
executing of mkinitrd I reboot the system again but the root file system is
still mounted as readonly.

This is very annoying for me and openSUSE 13.2 is absolutely unusable with this
installation method. As a contributor of packaging script for AMD Catalyst
Driver I need several fresh installed openSUSE installation on a real hardware
to verify the package build and the package installation of the fglrx driver.

I attach both journctl log files.


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