[pkg-dhcp-devel] Bug#749410: Bug#749410: isc-dhcp-client: shutdown/reboot hangs after K03rsyslog

[Andrew Pollock]

On Sat, Jul 19, 2014 at 09:50:08AM -0400, Michael Gilbert wrote:
> On Sat, Jul 19, 2014 at 4:20 AM, Elimar Riesebieter wrote:
> > * Elimar Riesebieter <riesebie at lxtec.de> [2014-07-06 20:26 +0200]:
> >
> > [...]
> >> Running isc-dhcp-client 4.2.4-7 ping works. Running 4.3.0+dfsg-1
> >> it tells: No network.
> >
> > Any progress? Do you need more info's?
> 
> More info is definitely needed.  It would help if someone sat down to
> compare new vs old isc-dhcp to figure out what it is or isn't doing
> new that causes it get killed too early.

Alas, I spent all morning fixing my virtual machines so I could reproduce
the NFS environment to discover that there'd already been more work on this
bug in the meantime. That's what I get for not reading before I dive in.

That said, I'm having problems reproducing the inability to shut down.

Are you running an up to date unstable system, or some sort of hybrid? What
version of initscripts do you have installed?

In a nutshell, I can mount an NFS share, down my network, and umount does
not hang.

You advised that you could manually invoke /etc/init.d/umountnfs.sh without
it hanging, right? What about when the network is down? Is there any way you
can manually make the umount hang?

Can you provide some more details about the NFS mount the client is making?
The /proc/mounts entry for the NFS mount (sanitised) would probably be the
way to go.
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