Bug 382051

udev does not load loop.ko it just created /dev/loop[0-7] manually

if s.th. opens /dev/loop[0-7] the loop module gets autoloaded by the kernel.

on my F8 laptop loop.ko is not loaded at all

you might do a lsmod check in rc.sysinit at several points to find the culprit..

Reopening, this is a bug, reproduced on 2 completely different systems. I'll do
the lsmod thingie as time allows and get back to you.

Ok,

Added lsmod commands, this indeed is not caused by udev, changing component to
intiscripts for now. The unneeded loading of loop.ko is triggered by these 3
lines in rc.sysinit (circa line 465):
        if [ -x /sbin/lvm.static ]; then
                action $"Setting up Logical Volume Management:" /sbin/lvm.stati
        fi

So systems where this does not show up are probably not using device-mapper
which is strange as that is the default when autopartitioning. I would really
expect Fedora developers to be using a setup identical to the default setup (eat
your own dogfood principle).

Heh, I tested on a single drive laptop, where LVM is sort of pointless.
Assigning to lvm, regardless.

Well lvm scans devices to search for physical volumes - could that be causing
this perhaps?  Add -vvvv to the command and capture the ouput and see if it's
opening them.  Thing is, lvm has got to do that - in general, there might be PVs
there.  If you know better, then you can configure lvm to ignore loop devices by
putting a filter into the lvm.conf file - see if that stops it.

Found it, adding:
    # Exclude the loop devices
    filter = [ "r/loop/" ]

To /etc/lvm/lvm.conf fixes this. Are there any configurations conceivable where
there will be lvm on the loop devices? Maybe crypto setups?

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