Bug#683849: [d-i Wheezy Beta1] [amd64] Installer hangs while loading partitioner (mdadm/mount deadlock)
On Sun, Aug 05, 2012 at 09:02:54AM +0200, Christian PERRIER wrote:
> > The hanging in the partitioner stage seems to be caused by a deadlock
> > between mdadm and a mount process in "D" state (cf. the attached syslog):
> >
> > 5219 root 4424 D mount /dev/sda2 -tauto /media
> >
> > 6358 root 4556 S {25md-devices} /bin/sh /lib/partman/init.d/25md-devices
> > 6362 root 0 SW< [md]
> > 6364 root 6156 S log-output -t md-devices --pass-stdout mdadm /--examine --scan --config=partitions
> > 6365 root 4596 D mdadm --examine --scan --config=partitions
> >
> > /dev/sda2 is an extended partition which does not contain any filesystem; it
> > is just the container for the logical partitions /dev/sda5 to /dev/sda8.
> > Trying to mount it should not cause a hanging mount command, but on the
> > other hand, as extended partitions are not supposed to contain a filesystem,
> > the installer probably should not try to mount it at all.
>
> It's kinda weird that nobody went on this but your analysis seems
> correct.
I have been looking through several installation reports and it seems the
same effect (hanging at 40% in the "Starting up the partition manager" stage
after a failed attempt to load network device firmware) is described in bug
681656, Message #35 (http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=681656#35).
Regards,
Karsten
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