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#1 2013-02-15 13:19:25

tritron4
Member
Registered: 2012-04-14
Posts: 152

lvm2 issues with 3.7.8 kernel

I just upgraded to 3.7.8 kernel and I am getting this error message
[    4.500584] traps: lvmetad[174] general protection ip:7f7240b24c25 sp:7f723bffebe0 error:0 in libc-2.17.so[7f7240aaa000+1a4000]
[    4.969091] EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: (null)
[    5.577531] systemd[1]: systemd 197 running in system mode. (+PAM -LIBWRAP -AUDIT -SELINUX -IMA -SYSVINIT +LIBCRYPTSETUP +GCRYPT +ACL +XZ)
[    5.594958] systemd[1]: Set hostname to <xenhebe2>.
[    5.846098] systemd[1]: [/usr/lib/systemd/system/xenstored.service:4] Failed to add dependency on run, ignoring: Invalid argument
[    5.846209] systemd[1]: [/usr/lib/systemd/system/xenstored.service:4] Failed to add dependency on lib, ignoring: Invalid argument
[    6.021567] systemd[1]: Cannot add dependency job for unit lvm.service, ignoring: Unit lvm.service failed to load: No such file or directory. See system $
[    6.021646] systemd[1]: Cannot add dependency job for unit display-manager.service, ignoring: Unit display-manager.service failed to load: No such file o$
[    6.022161] systemd[1]: Starting Forward Password Requests to Wall Directory Watch.
[    6.022386] systemd[1]: Started Forward Password Requests to Wall Directory Watch.
How I can solve the issue ?

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#2 2013-02-16 03:41:48

cfr
Member
From: Cymru
Registered: 2011-11-27
Posts: 5,662

Re: lvm2 issues with 3.7.8 kernel

Read the news?


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#3 2013-03-19 14:47:48

ball
Member
From: Germany
Registered: 2011-12-23
Posts: 164

Re: lvm2 issues with 3.7.8 kernel

I experience the same problem as the OP: the lvm.service file can't be found.

cfr wrote:

Read the news?

There is a news entry from 2013-02-12 concerning changes to LVM. It states:

With lvm2 2.02.98-3, we now utilize lvmetad to activate LVM volumes automatically. This implies the following changes: ...

I did carefully read the instructions  and applied the changes. I suspect that relying on lvmetad to activate LVM volumes implicates that we can disable lvm.service. But this is a mere guess and I didn't have this idea when reading the news a few weeks ago.

Edit: lvm.service can't be disabled, presumably because the symlink /etc/systemd/system/basic.target.wants/lvm.service isn't valid anymore. Does that mean we have to delete the link by hand?

I just scanned the news for other instructions concerning this file, but I didn't find any hint. Suggestions?

Last edited by ball (2013-03-19 15:05:52)

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#4 2013-03-20 09:26:17

skanky
Member
From: WAIS
Registered: 2009-10-23
Posts: 1,838

Re: lvm2 issues with 3.7.8 kernel

Must admit I fell afoul of this one too. I read the news item when it came out and checked all the bullet points - sorted them as reccommended and required. I upgraded lvm on 2013-02-12.
Had no issues until this morning, when I got the boot failure due to lvm.service not found. The system booted no problem yesterday and I didn't upgrade anything yesterday either.
So it's not that I don't know it failed this morning, but why it's worked for the last month.

Anyway, I deleted the symlink /etc/systemd/system/basic.target.wants/lvm.service and the system then booted fine.


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