Hello Christian (and tons of Packaging Thanks! :),

same issue here.

Turns out this line

> Shell: /bin/sh linked to /bin/dash

was the most important one in your report.

When using dash, _EVERY_ _SINGLE_ _PROCESS_ as spawned by dash
from within that kvm-launched kvm-ifup script ends up as defunct == zombie.
I finally got that Aha! moment when kill -9'ing the currently stuck
process and fortunately realizing that it proceeded with executing the
subsequent shell line script process and got stuck again.

dpkg-reconfigure dash, reverting to bash (which I normally never do,
since it's all working perfectly fine provided one knows to avoid
bashisms - devscript package's checkbashism script - in custom
scripts) finally makes it work again.

So, I don't know _why_ on dash it gets stuck (possibly due to specific
shell execution environment limitations as imposed by kvm startup??),
but IMHO such a strange issue should be investigated ASAP
(also since dash appears to be the new default).


Myself, I'm executing kvm as non-root user, BTW (not sure at all whether
that actually makes any difference here, though).

Side note: Gooooaad, I really hate having to experience odd little
thoroughly annoying kvm setup quirks on almost every friggin' single ยง%&damn
kvm upgrade I do.

Oh well, at least _this time_ again it's working again ;)

HTH,

Andreas Mohr



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