Bug#499386: Null pointer dereference

[Moritz Muehlenhoff <jmm@inutil.org>]

On Thu, Sep 18, 2008 at 12:24:07PM +0300, Shai Berger wrote:
> Package: linux-image-2.6.18-6-486
> Version: 2.6.18.dfsg.1-22
> Severity: important
> 
> After several cases of kernel panic which we blamed on just using old 
> hardware, we caught this one in the log. The system is Etch, it serves as a 
> firewall & dhcp server on one card, and the other is connected to an ADSL 
> modem/router for uplink.
> 
> It seems this happened when the router temporarily disconnected from its 
> uplink -- it took a minute or two after the firewall reboot to restore 
> internet connectivity.
> 
> Please find attached the relevant log piece -- it ends with "reboot is 
> needed!", and it wasn't kidding, the firewall froze about four minutes later; 
> and also the relevant lspci -vv output.
> 
> I'm drafting the bug report by hand as reporbug and the services it requires 
> don't belong on the firewall; if there's any more info I can give, please let 
> me know.

Does this error still occur with more recent kernel versions?

If you're running Etch, could you try to reproduce this bug
with the 2.6.24 based kernel added in 4.0r4?
http://packages.qa.debian.org/l/linux-2.6.24.html

Cheers,
        Moritz