Bug#903224: udev: Fails to upgrade

[Michael Biebl]

Am 08.07.2018 um 08:54 schrieb Sven Joachim:
> On 2018-07-08 03:05 +0200, Michael Biebl wrote:
> 
>> Control: tags -1 moreinfo unreproducible
>>
>> Am 08.07.2018 um 00:26 schrieb Kurt Roeckx:
>>> Package: udev
>>> Version: 239-5
>>> Severity: serious
>>>
>>> Hi,
>>>
>>> When upgrading udev, it failed to upgrade, because udev didn't
>>> want to start. I think there might be some ordering problem.
> 
> In the logs it can be seen that udev is configured before systemd, and
> that apparently hits the same problem as #902185.

Right, this appears to be the same udev failure.

>> Unfortunately I can't reproduce your problem. I've just test-upgraded a
>> buster VM from 238-5 to 239-5 without a problem.
>> Can you provide instructions how to reproduce the problem?
> 
> The following steps might reproduce it:
> 
> - Downgrade the *systemd* and *udev* packages to 238-5.
> 
> - Unpack the 239-5 packages with dpkg --unpack.
> 
> - Run "dpkg --configure libudev1 udev".

Apparently the bumped Breaks added for #902185 doesn't sufficiently
convince apt to upgrade the packages in the correct order.
What we see is that the new systemd has been unpacked, but not
configured yet (which will re-exec systemd in postinst) when udev's
postinst is run.

Any ideas how we can convince apt to upgrade the packages in the correct
order, ie. make sure that udev's postinst is run after systemd's
postinst without adding a versioned systemd Depends to udev?

-- 
Why is it that all of the instruments seeking intelligent life in the
universe are pointed away from Earth?

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