Bug#791869: lvm2: updating src:lvm2 from 2.02.111-2.2 to 2.02.122-1 breaks booting, mounting LVs other than / fails

Bastian Blank waldi at debian.org
Tue Jul 21 18:37:16 UTC 2015

On Mon, Jul 20, 2015 at 11:11:43AM +1200, Ben Caradoc-Davies wrote:
> Booting succeeds for me with / and /home on separate LVs in a single
> crypto-luks PV (see lsblk below) with lvm2 2.02.122-2 amd64. However, after
> updating to the latest lvm2, "pvscan", "pvs", "vgs", and "lvs" all hang
> indefinitely until I manually run "pvscan --cache". They worked fine with
> 2.02.111-2.2, probably because lvmetad was not enabled.

Thanks for the information, this is finaly a clue what is going on.

> output of "strace pvs" while hung:

Is there a pvscan or similar task running?  This is the only time where
the state info is set this way.

> Then "man lvmetad" led me to "pvscan --cache".

Yeah.  pvscan should be run by udev for each new device.  For some
reason this either don't work, breaks in the middle or no idea what


Oblivion together does not frighten me, beloved.
		-- Thalassa (in Anne Mulhall's body), "Return to Tomorrow",
		   stardate 4770.3.

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