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

[Serge Hallyn]

So far the following two debdiffs together (for lvm2 and watershed)  are
working on my laptop.  It's possible I just haven't run into the race,
but it had been happening pretty frequently before.  (if it is decided
that this works and is acceptable, then before committing code would
need to be better documented, and LP: added to changelog, of course)

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Title:
  lvscan often times out during boot

Status in “udev” package in Ubuntu:
  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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