Bug#586424: dmsetup has circular Depends on libdevmapper1.02.1

Bastian Blank waldi at debian.org
Wed Dec 16 14:04:21 UTC 2015

On Wed, Dec 16, 2015 at 02:58:48PM +0100, Martin Pitt wrote:
> Bastian Blank [2010-06-19 15:35 +0200]:
> > Please try again. The library needs the rules to work properly and the
> > udev rules calls dmsetup.
> I don't understand this. Merely having a libary installed should not
> imply any userspace actions. If some packages need device mapper
> functionality, they need to depend on dmsetup, not just libdevmapper.

Yes, it does.  The sole purpose of libdevmapper is to configure the
device mapper part of the kernel.  To do this it needs a working udev.

> We've seen quite a lot of upgrade failures due to this circular
> dependency, so it's clearly a problem:

Please report failures with Ubuntu to the Ubuntu bug tracker, not the
Debian one.


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