Bug#501855: upgrade-reports: initscripts Conflicts/Pre-Depends loop
On Saturday 11 October 2008 22:54:22 Sven Joachim wrote:
> On 2008-10-11 14:03 +0200, Olaf van der Spek wrote:
>
> > On Sat, Oct 11, 2008 at 12:02 PM, Sven Joachim <svenjoac@gmx.de> wrote:
> >> Hm, that looks fairly normal. Probably it would work if you upgrade
> >> initscripts before the full-upgrade. However, it does not explain why
> >> apt wanted to temporarily remove initscripts in the first place. This
> >> looks like a bug in apt, reassigning.
> >
> > # aptitude install initscripts
> > Reading package lists... Done
> > Building dependency tree
> > Reading state information... Done
> > Reading extended state information
> > Initializing package states... Done
> > Writing extended state information... Done
> > Reading task descriptions... Done
> > The following packages are BROKEN:
> > initscripts
> > The following packages will be upgraded:
> > libselinux1 libsepol1 sysvinit-utils
> > 4 packages upgraded, 0 newly installed, 0 to remove and 230 not upgraded.
> > Need to get 0B/347kB of archives. After unpacking 102kB will be used.
> > The following packages have unmet dependencies:
> > initscripts: Conflicts: insserv (< 1.09.0-12) but 1.08.0-11 is
> > installed and it is kept back.
> > The following actions will resolve these dependencies:
> >
> > Upgrade the following packages:
> > insserv [1.08.0-11 (now) -> 1.12.0-4 (testing)]
> >
> > Score is 120
> >
> > Accept this solution? [Y/n/q/?]
> > The following packages will be upgraded:
> > initscripts insserv libselinux1 libsepol1 sysvinit-utils
> > 5 packages upgraded, 0 newly installed, 0 to remove and 229 not upgraded.
> > Need to get 0B/413kB of archives. After unpacking 426kB will be freed.
> > Do you want to continue? [Y/n/?]
> > Writing extended state information... Done
> > E: This installation run will require temporarily removing the
> > essential package initscripts due to a Conflicts/Pre-Depends loop.
> > This is often bad, but if you really want to do it, activate the
> > APT::Force-LoopBreak option.
> > E: Internal Error, Could not early remove initscripts
> > A package failed to install. Trying to recover:
> > Reading package lists... Done
> > Building dependency tree
> > Reading state information... Done
> > Reading extended state information
> > Initializing package states... Done
> > Reading task descriptions... Done
>
> Thanks, now I see that there is indeed a dependency loop: the lenny
> version of initscripts conflicts with the etch version of insserv and
> vice versa, so apt has to remove one of these packages before the other
> one can be unpacked. The bug is that it chooses the wrong package,
> namely the required package initscripts instead of the optional insserv.
>
> A possible solution would be for insserv to depend on a recent version
> of initscripts instead of conflicting against older versions, thus
> breaking the dependency loop. Insserv maintainers, what do you think?
It seems like a reasonable solution to me. Will talk with Petter about it.
Thanks, Kel.
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