[Bug 833891] Re: lvscan often times out during boot

[Steve Langasek]

*** This bug is a duplicate of bug 802626 ***
    https://bugs.launchpad.net/bugs/802626

I don't see that daemonizing watershed gets to the root of the issue.
If Eduard's analysis on bug #802626 is correct, backgrounding the child
process doesn't change the fundamental race, which is that udev in the
initramfs might die while vgscan is still holding a lock and waiting for
the follow-up event.

I'm going to mark bug #802626 as the master bug for this issue.

** This bug has been marked a duplicate of bug 802626
   boot hangs at initrd

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https://bugs.launchpad.net/bugs/833891

Title:
  lvscan often times out during boot

Status in “udev” package in Ubuntu:
  Confirmed
Status in “udev” source package in Oneiric:
  Confirmed

Bug description:
  I'm not 100% certain that mountall is the problem, but seems a good
  place to start.

  I have some LVM partitions on my laptop, and some filesystems on there
  are mounted through fstab:

  /dev/schroots/schroots /srv/devel ext3 defaults,relatime 0 0
  /dev/schroots/isos /iso ext4 defaults,relatime 0 0

  Often (1/3 of the time?) boot hangs, and after a minute or so I get a
  message saying something about watershed and lvscan timing out.  Then
  it proceeds to mount everything readonly.

  Other times boot proceeds with no problem.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: mountall 2.31
  ProcVersionSignature: Ubuntu 3.0.0-9.12-generic 3.0.3
  Uname: Linux 3.0.0-9-generic x86_64
  NonfreeKernelModules: nvidia
  Architecture: amd64
  Date: Thu Aug 25 10:56:52 2011
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha amd64 (20110627.1)
  ProcEnviron:
   PATH=(custom, user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: mountall
  UpgradeStatus: No upgrade log present (probably fresh install)

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