I was upgrading 9.10 to 10.04 on my Dell Ubuntu XPS 410s. Am having a
similar issue. It appears that the upgrade was either interrupted or
hung somewhere in between. Screen was black and not responding to
anything after I came back from work. A hard reboot got me to the
following:
"mount: mounting none on /dev failed: No such device"
"chroot: cannot execute /etc/apparmor/initramfs: No such file or directory"
Then, after a couple of minutes:
a bunch of udevd[2815]: SYSFS{} messages saying: "will be removed in a
future udev version, please use ATTR{} to match the event device, or
ATTRS{}= to match a parent device, in
/etc/udev/rules.d/65-libmtp.rules:87"
Then, this intimidating message: "udevd[2815]: specified user 'usbmux'
unknown"
And this final line: "os_part has been mounted 27 times without being
checked, check forced."
Whatever that process is, it hangs interminably.
Please help with simple, step-by-step solution.
Thanks so much!
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Scheduled fsck during boot unresponsive and inactive for a very long time at
90%, making the system appear to hang
https://bugs.launchpad.net/bugs/487744
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