Bug#787473: systemd: Segfault while adding a new job

[Tino]

Am 05.07.2015 um 14:32 schrieb Michael Biebl:
> Sorry for the inconvenience.
>
> I think the best course of action would be, if you could install systemd
> v221 from testing, and if the problem is still reproducible there, we
> take this upstream.
>
> Would you be willing to do that?

I upgraded systemd and systemd-sysv to 221-1 from the stretch repo. (No
other systemd packages installed)
I didn't do that until now because i was afraid to brick the system
again. And of course the inevitable happened: It really bricked it
because of this:

[  *** ] A start job is running for LSB: Raising network interfaces.
(24min 43s / no limit)

It ran forever. After disassembling the unit, attaching serial console,
etc., I was able to workaround the stucked boot and saw the same
happening on shutdown. I had an open shell at this time, which led me to
the stuck process:

root      4026  0.0  0.2   1772  1244 ?        Ss   19:21   0:00 /bin/sh
-e /etc/init.d/networking stop
root      4028  0.0  0.2   1708  1260 ?        S    19:21   0:00  \_
ifdown -a --exclude=lo -v
root      4054  0.0  0.2   1772  1128 ?        S    19:21   0:00      \_
/bin/sh -c dhclient -v -r -pf /run/dhclient.eth0.pid -lf
/var/lib/dhcp/dhclient.eth0.leases eth0
root      4055  0.0  1.4   8596  7616 ?        S    19:21  
0:00          \_ dhclient -v -r -pf /run/dhclient.eth0.pid -lf
/var/lib/dhcp/dhclient.eth0.leases eth0
root      4057  0.0  0.2   1772  1100 ?        S    19:21  
0:00              \_ /bin/sh /sbin/dhclient-script
root      4060  0.0  0.2   1772  1124 ?        S    19:21  
0:00                  \_ /bin/sh /usr/sbin/invoke-rc.d smbd reload
root      4079  0.0  0.4   4424  2556 ?        S    19:21  
0:00                      \_ systemctl reload smbd.service

Disabling /etc/dhcp/dhclient-enter-hooks.d/samba made the system boot
again. I didn't find an appropriate solution for this yet. Looks like i
encountered the next systemd bug. :(
I'll leave the system running now and see if the systemd crashes still
appear.

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