Bug#316883: [devmapper] ownership and permissions breakage

Bastian Blank waldi at debian.org
Wed Dec 7 16:15:26 UTC 2005

tags 316883 - patch

On Wed, Dec 07, 2005 at 03:55:28PM +0000, Roger Leigh wrote:
> On Tue, Dec 06, 2005 at 10:27:59PM +0000, Roger Leigh wrote:
> > These bugs have gone far too long with no fix, and with absolutely no
> > justification for the wontfix tag.  They cause real breakage on live
> > Debian systems, and not fixing this bug is completely unacceptable.
> > Unless this is resolved shortly, I will be referring it to the
> > Technical Committee.

Do that.

> > The ownership and permissions of disk block devices on a Debian system
> > are root:disk, 0660.

This is incorrect:
| brw-rw---- 1 root cdrom 3, 64 2005-12-02 07:20 /dev/hdb

The permissions are either set by the user on a static /dev or set
corresponding to the udev rules if udev is used. devmapper devices are
not managed in either of this two means.

> >                       Anything other than that is gratuitously
> > different, and will break existing tools that require those settings.

This is a user setting, which libdevmapper don't provide as a runtime

> The following patch, using the configure options suggested by Alasdair
> Kergon, reverts devmapper to the traditional and correct behaviour.
> If there is no response by the weekend, I intend to NMU this.



Punishment becomes ineffective after a certain point.  Men become insensitive.
		-- Eneg, "Patterns of Force", stardate 2534.7
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