[Bug 1010045] Re: 12.04 hangs on shutdown deconfiguring network interfaces

2012-10-31 Thread Andreas van der Locht 
Hi,

this problem could be reproduced although on a physical machine with
12.04.1 LTS and Kernel 3.2.0 

At the attached screenshot you ca seen the kernel panic message when stopping 
the open-iscsi deamon.
It's the same for a reboot or a networking stop/restart.

After installation of the Kernel 3.4 from
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.4-precise/linux-image-3.4.0-030400-generic_3.4.0-030400.201205210521_amd64.deb
the system has no problem with rebooting anymore.
This has been tested in a KVM-Environment and a physical machine.

I hope this c,ould be a solution for some installations.
In some cases (production) you should wait for the official 3.4-Kernel-Support 
in Ubuntu 12.04

** Attachment added: "Screenshot from stopping iscsi"
   
https://bugs.launchpad.net/ubuntu/+source/ifupdown/+bug/1010045/+attachment/3419802/+files/iscsi-stop.jpg

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  12.04 hangs on shutdown deconfiguring network interfaces

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[Bug 1010045] Re: 12.04 hangs on shutdown deconfiguring network interfaces

2012-10-01 Thread Andreas van der Locht 
Hi,
I have the same problem with one KVM guest-system using an iscsi target.
The problem cannot be solved with unmounting the iSCSI target manual, before 
shutdown.

#dpkg -S /etc/network/if-down.d/*
open-iscsi: /etc/network/if-down.d/open-iscsi
resolvconf: /etc/network/if-down.d/resolvconf
ifupdown: /etc/network/if-down.d/upstart

The system is configured with 3 bridge interfaces.

#/etc/init.d/networking -v

*Deconfiguring network interfaces...
Configuring interface eth0=eth0 (inet)
run-parts --verbose /etc/network/if-down.d
run-parts: executing /etd/network/if-down.d/open-iscsi
* Disconnecting iSCSI targets
[ 1232.432014] connecting7:0: ping timeout of 5 secs expired
.
and so on ...

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Title:
  12.04 hangs on shutdown deconfiguring network interfaces

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