[Bug 1185394] Re: systemd-udev fails when processing many logical volumes on boot

[Martin Pitt]

Stefan Bader [2013-05-29 17:32 -0000]:
> There is also a related change missing from us which was handling
> events with timeout as urgently as dm cookie ones.

Right, this was our old avoid-exit-deadlock-for-timely-events patch:
That was applied for http://pad.lv/842560. Andy discussed that with
upstream in http://comments.gmane.org/gmane.linux.hotplug.devel/17206
and as a result the whole TIMEOUT legacy stuff has been removed, so
this does not apply any more. Also, firmware handling has changed
quite a bit (e. g. recent kernels load it by themselves). So I dropped
the patch.

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https://bugs.launchpad.net/bugs/1185394

Title:
  systemd-udev fails when processing many logical volumes on boot

Status in “systemd” package in Ubuntu:
  In Progress

Bug description:
  With recent systemd/udev updates in Saucy I see problems when /dev
  gets moved to the real root. It seems to be related to running
  vgscan/vgchange through watershed by systemd-udevd. The symptoms
  include a crash of one systemd-udevd process and several messages
  about systemd-udevd (or childs of it) not finding files in /dev.

  Setup:

  sda: contains the root fs (no separate /boot) and a swap partition
  sdb: contains vg1 with /home
  sdc and sdd: contain vg2 with 31 LVs, one of them mounted to /home/isos

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