Hi

On Fri, May 18, 2007 at 08:34:38PM +0200, Bastian Venthur wrote:
> [Sending this mail again without attachment since the BTS rejected the
> attachment. Ola, if you didn't receive my last mail with the attachment,
> please drop me a note.]

I see.

> Hi Ola,
> 
> > The best thing would be to sniff both as we do not know if the problem
> > is on ethernet level or on ppp level. I think you can sniff both
> > at the same time. I think you need some more options to tcpdump however:
> > 
> > tcpdump -envv -i eth0
> 
> here is my first record of a crash captured on my router. The command to
> capture was:
> 
>   tcpdump -envv -i ppp0

Thanks a lot for the dump file.

> The original file is actually a bit longer, but last syslog entry on the
> laptop was on 18:06 so I guess it crashed on this time or shortly later.

Ok.

> Since the file logs until ~18:40 (when I noticed that the laptop is
> already frozen, I've cut the file from the last occurrence of the IP
> 130.149.xxx.xxx which is one point of the pptp tunnel. Let me know if
> you need the whole file.

I assume that 130.149.145.10 is the IP for your laptop, right?

> The system time of the laptop and the router should be pretty much in
> sync, so you should search for the problem around the time 18:06.

No I do not think so actually... Unfortunatly I do not have the eth0 output
so I do not know everything... I'll try to decode the below stuff...

18:09:29.458183 TCP (6), length: 232) 130.149.145.10.1723 > 85.178.118.154.36684
18:09:32.460852 ICMP (1), length: 260) 85.178.118.154 > 130.149.145.10:
  ICMP host 85.178.118.154 unreachable
18:11:16.983264 TCP (6), length: 232) 130.149.145.10.1723 > 85.178.118.154.36684
18:11:16.983514 TCP (6), length: 40) 85.178.118.154.36684 > 130.149.145.10.1723

That is the last thing from 18:11:16.xxx

No more tries to contact 130.149.145.10, so I can not determine on
what time it dropped... Maybe you can have a ping running to see
when it stopps responding. Say one ping each second.

>From this log I can not see anything that could cause the kernel to hang. No
abnormal packets or anything similar.

Regards,

// Ola

> 
> Cheers,
> 
> Bastian
> 
> -- 
> Bastian Venthur                                      http://venthur.de
> Debian Developer                                 venthur at debian org
> 
> 
> 

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