Re: failed to start remount root and kernel file system
> * Add "break=premount" to the end of your kernel commandline and boot
At the grub stage, there is no reaction to the "e" or "c" I pressed.
> * If you have panic=<something> set, remove it. For some reason,
> those two options conflict and you won't get a shell, even though
> you explicitly asked for one
> * The initramfs will break out to a shell before any file systems are
> mounted.
> * At the shell run "lvm vgchange -ay". This will make all your LVM LVs
> available
> * Press Ctrl+D to exit the shell and continue booting.
> * With the system now up (hopefully), create the following file as
> /etc/initramfs-tools/scripts/local-premount/lvm
> #!/bin/sh
>
> lvm vgchange -ay
> * Make the file executable (chmod +x ...)
> * Rebuild the initramfs with "sudo update-initramfs -u"
>
> Your system should now boot reliably.
>
>>
>> On Thu, Oct 16, 2014 at 5:47 PM, lina <lina.lastname@gmail.com> wrote:
>> > It doesn't mount the /usr /var /tmp
>> >
>> > Timed out waiting for device dev-disk-by\x ...
>> > Dependency failed for /var
>> >
>> >
>> > On Thu, Oct 16, 2014 at 5:29 PM, lina <lina.lastname@gmail.com> wrote:
>> >> On Thu, Oct 16, 2014 at 4:55 PM, Chris Bannister
>> >> <cbannister@slingshot.co.nz> wrote:
>> >>> On Thu, Oct 16, 2014 at 01:00:21PM +0800, lina wrote:
>> >>>> Any suggestions about
>> >>>>
>> >>>> failed to start remount root and kernel file system
>> >>>>
>> >>>> Is it due to updating issue? some package like systemd, or util-linux?
>> >>>>
>> >>>> Jessie box.
>> >>>
>> >>> Dunno. Is it an fstab issue? I'm only guessing here because you haven't
>> >>> given us much information. What is the actual error message?
>> >>
>> >> dove systemd[1]: /usr appears to be on its own filesystem and is not
>> >> already mounted, this is not a supported setup.
>> >>
>> >>
>> >> # /etc/fstab: static file system information.
>> >> #
>> >> # Use 'blkid' to print the universally unique identifier for a
>> >> # device; this may be used with UUID= as a more robust way to name devices
>> >> # that works even if disks are added and removed. See fstab(5).
>> >> #
>> >> # <file system> <mount point> <type> <options> <dump> <pass>
>> >> proc /proc proc defaults 0 0
>> >> # / was on /dev/sda5 during installation
>> >> UUID=2a687c3c-ffb4-4577-9781-beb6b88eb71b / ext4 errors=remount-ro 0 1
>> >> # /backup was on /dev/sda14 during installation
>> >> UUID=114ea034-62b3-4266-b80f-e8bd43c90bfe /mnt/backup ext4 defaults,noauto 0 2
>> >> # /boot was on /dev/sda4 during installation
>> >> UUID=f38f09c1-8cc3-485f-8235-1b23fc26fcc9 /boot ext4 defaults 0 2
>> >> # /home was on /dev/sda7 during installation
>> >> UUID=c826cf6e-a284-4741-a8e4-89b75991d801 /home ext4 defaults 0 2
>> >> # /scratch was on /dev/sda13 during installation
>> >> UUID=25ad7887-39b1-4375-b9aa-0840cb84cb75 /scratch ext4 defaults 0 2
>> >> # /tmp was on /dev/sda8 during installation
>> >> UUID=ba00a966-7352-4749-b478-788fea4f1a83 /tmp ext4 defaults 0 2
>> >> # /usr was on /dev/sda9 during installation
>> >> UUID=49ce4cbd-7ac8-4b2d-84da-85143d214ee3 /usr ext4 defaults 0 2
>> >> # /usr/local was on /dev/sda10 during installation
>> >> UUID=f013d06c-641d-4340-a620-9aeb3ce9a356 /usr/local ext4 defaults 0 2
>> >> # /var was on /dev/sda11 during installation
>> >> UUID=4c106bc2-cb98-4795-9cff-6da66d0da771 /var ext4 defaults 0 2
>> >> # /var/local was on /dev/sda12 during installation
>> >> UUID=97068b98-deae-4d79-baa1-0e3110aa18b6 /var/local ext4 defaults 0 2
>> >> # swap was on /dev/sda6 during installation
>> >> UUID=0dc0ac69-7e3a-43d5-8582-aac085053f83 none swap sw 0 0
>> >> /dev/scd0 /media/cdrom0 udf,iso9660 user,noauto 0 0
>> >> # mac was on /dev/sda2
>> >> /dev/sda2 /mnt/mac hfsplus ro,nouser,noauto,noexec 0 0
>> >>
>> >>>
>> >>> I haven't had to diagnose any systemd booting issues, yet, cause it
>> >>> hasn't failed. So have you any strange configurations --- do you need to
>> >>> mount anything over nfs, for example.
>> >>>
>> >>> Is this your laptop? Is it encrypted?
>> >>
>> >> laptop, no encrypted
>> >>
>> >>>
>> >>> All these are just guesses, but hopefully someone will be able to help
>> >>> if they know the error messages etc.
>> >>>
>> >>> Oh, is this a new Jessie box, *OR*, have you been running Jessie for a
>> >>> while and the latest update caused this?
>> >>>
>> >> I have been running Jessie for a long period. Yes, it is caused by the
>> >> last update of the systemed and util-linux.
>>
>>
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