Bug#561074: network-console: starting a shell terminates t..

Package: network-console
Version: 0627 (backports)

I'm using the version from http://kmuto.jp/debian/d-i/ since I'm
installing on a new Dell R410 and it requires 2.6.29 or later.

It's a network preseed install and although I can ssh in and
/bin/network-console runs fine, if I select the option to "Start
shell" then the connection just terminates. Changing /etc/passwd to
run /bin/sh instead works fine. I can then run /bin/network-console,
select "start-shell and I am returned to the prompt.

/var/log/syslog states:
sshd[9487]: Accepted password for installer from 10.0.0.1 port 36721 ssh2
sshd[9488]: lastlog_filetype: Couldn't stat /var/log/lastlog: No such
file or directory
sshd[9488]: lastlog_openseek: /var/log/lastlog is not a file or a
directory!

touch()ing the file stops those errors but it still fails to log me in
(even if I stop/start sshd)

Not sure what's going on - is network-console exiting rather than
exec()ing a shell?

Adrian
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bitcube.co.uk - Expert Linux infrastructure consultancy
Puppet, Debian, Red Hat, Ubuntu, CentOS



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On Monday 14 December 2009, Adrian Bridgett wrote:
> Version: 0627 (backports)

I doubt this is a valid version of network-console as I see no reason why
it should have been backported. Can you check the actual version of the
package (in /var/lib/dpkg/status)?

> I'm using the version from http://kmuto.jp/debian/d-i/ since I'm
> installing on a new Dell R410 and it requires 2.6.29 or later.

We are happy that Kenshi provides his images, but they are not supported by
us.

> It's a network preseed install and although I can ssh in and
> /bin/network-console runs fine, if I select the option to "Start
> shell" then the connection just terminates.

I haven't had any problems using network-console myself and we've not had
any similar reports from other users.

> Changing /etc/passwd to
> run /bin/sh instead works fine. I can then run /bin/network-console,
> select "start-shell and I am returned to the prompt.

My guess would be some library issue in Kenshi's image. You could try
loading the strace udeb and running an strace on network-console.

> /var/log/syslog states:
> sshd[9487]: Accepted password for installer from 10.0.0.1 port 36721
> ssh2 sshd[9488]: lastlog_filetype: Couldn't stat /var/log/lastlog: No
> such file or directory
> sshd[9488]: lastlog_openseek: /var/log/lastlog is not a file or a
> directory!

This is unrelated.

> Not sure what's going on - is network-console exiting rather than
> exec()ing a shell?

Can you reproduce the issue with a daily built image provided by us [1]?
It has 2.6.30 as kernel, so should work fine for you. You only have to
proceed as far as starting network-console.

If you cannot, I doubt there's anything wrong with network-console itself.

Cheers,
FJP

[1] http://www.debian.org/devel/debian-installer/



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