[systemd-devel] initrd mount inactive

[Aaron_Wright at selinc.com]

Lennart Poettering <lennart at poettering.net> wrote on 04/30/2015 02:39:45 
AM:
> On Wed, 29.04.15 12:09, Aaron_Wright at selinc.com 
> (Aaron_Wright at selinc.com) wrote:
> 
> > I applied those other commits you listed, and I took a look at the 
lvm2 
> > package, which was being compile with "--disable-udev_sync" and "
> > --disable-udev_rules". I enabled both of those and recompiled both 
lvm2 
> > and systemd.
> > 
> > Nothing changed. Sometimes var.mount is still bound to an inactive 
> > /dev/mapper/<name>.
> 
> Well, it will be bound to it, but systemd should not act on it
> anymore and unmount it.
> 
> Also, th device should become active as soon as udev ran and 
> reprobed everything.
> 
> > Do I need the *.rules files from lvm2?
> 
> Well, you do need the DM ones at least. That's actually where the
> interesting bits are sicne they properly probe the LUKS device and
> make it available for other components including systemd to pick it up.

I added a couple udev rules that are present in the Ubuntu dmsetup package 
for my distribution, and now I get a couple errors from systemd-udevd:

systemd-udevd[153]: conflicting device node 
'/dev/mapper/91caea2d-0e19-441e-9ea7-7be1ed345e96' found, link to 
'/dev/dm-1' will not be created
systemd-udevd[154]: conflicting device node 
'/dev/mapper/d8668b2e-3a40-46df-8c64-f369a1a7a09c' found, link to 
'/dev/dm-0' will not be created

With status as:

  dev-mapper-91caea2d\x2d0e19\x2d441e\x2d9ea7\x2d7be1ed345e96.device 
loaded    activating tentative 
/dev/mapper/91caea2d-0e19-441e-9ea7-7be1ed345e96
  dev-mapper-d8668b2e\x2d3a40\x2d46df\x2d8c64\x2df369a1a7a09c.device 
loaded    activating tentative 
/dev/mapper/d8668b2e-3a40-46df-8c64-f369a1a7a09c

The system seems to work just fine though, so I'm wondering if I should 
ignore these errors and move on. I'm sure what the impact is.
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