[Bug 585429] Re: mountall stop upstart init when trying to mount /proc/bus/usb

[Steve Langasek]

*** This bug is a duplicate of bug 577636 ***
    https://bugs.launchpad.net/bugs/577636

** This bug has been marked a duplicate of bug 577636
   Filesystem could not be mounted: /proc/bus/usb

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https://bugs.launchpad.net/bugs/585429

Title:
  mountall stop upstart init when trying to mount /proc/bus/usb

Status in “mountall” package in Ubuntu:
  New

Bug description:
  Binary package hint: mountall

  Release: Ubuntu 10.04  LTS Lucid
  Package: mountall 2.15
  Related packages: plymouth  0.8.2-2ubuntu2, upstart  0.6.5-6
  Kernel: Linux 2.6.32-22-generic  x86_64 GNU/Linux

  Description: Since upgrading to lucid my system stop to boot. At boot
  after entering init, the output log was displaying the mount of the
  partitions in fstab, then nothing more happened.

  Trying to debug this I booted with init=/bin/sh, then: exec upstart, but (I still don't now why) the boot were going normally.
  During some time, I used this only available way of booting!

  Still looking for a way to solve this bug, I noticed in the log close
  after the point where it stop a warning for a /proc/bus/usb mount that
  was in my fstab. I have noticed, yet previously with 9.10 that I have
  a waring for this line, which is no more appropriate since usbfs is no
  longer used. But I didn't care.

  So I commented the line in fstab, and my system is now booting OK.

  The line was:
  # set group of usbfs to plugdev (46) (necessary for virtualbox)
  none     /proc/bus/usb     usbfs      devgid=46,devmode=664

  Of course it is no longer appropriate, but Jaunty was just giving a warning, and Lucid stop without any message.
  I don't now exactly what happened, It seem some process entered a loop eating all resources. I cannot give a more precise diagnostic, since as previously said, when trying to debug the second phase of the boot by launching init by hand, everything went well.

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