Bug#801215: systemd: Re-booting results in systemd "Timed out waiting for device dev-mapper-..."

[Michael Biebl]

Control: tags -1 + moreinfo
On Wed, 07 Oct 2015 14:18:24 +0100 root
<ronny.adsetts at amazinginternet.com> wrote:
> Package: systemd
> Version: 215-17+deb8u2
> Severity: normal
> 
> Dear Maintainer,
> 
> A recent "apt-get upgrade" followed by a (remote) reboot resulted in the server not being available for 2 weeks whilst we arranged a site visit.
> 
> When we got on-site and hooked up a monitor, the server was waiting at a rescue shell. Doing a 'Ctrl-d' continued the reboot which was successful. A test reboot resulted in the same outcome.
> 
> Prior to the 'apt-get upgrade' the server would reboot successfully. The only changes which look important to this bug are systemd and the kernel. Please re-assign if I picked wrong. :-).
> 
> Attached is the boot log from "journalctl -b" up to the point where is was fully booted. You can see the in the los at "Oct 01 20:56:11" the line "Job dev-mapper-vg_sys\x2dlv_var.device/start timed out.".
> 
> The system partitions are on hardware RAID (Areca card) which is a single 'PV' for an LVM Volume Group. All partitions are LVM logical volumes.
> 
> Note that there is a SAS card in the system hooked up to an external tape library. The library does a media scan which takes a few minutes. This may or may not be relevant.
> 
> Thanks for any help and your continued work on Debian.
> 

This looks like an LVM issue.
Do you still encounter this problem? If so, could you try if using

use_lvmetad = 1 in /etc/lvm/lvm.conf makes a difference.

When you end up in the rescue shell, could you get a udev dump via
udevadm info --export-db

-- 
Why is it that all of the instruments seeking intelligent life in the
universe are pointed away from Earth?

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