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Date:	Fri, 2 May 2008 14:26:14 +0200
From:	"Marco Berizzi" <>
To:	"Herbert Xu" <>
Cc:	<>, <>,
Subject: Re: 2.6.25 crash: EIP: [<c02e2f14>] xfrm_output_resume+0x64/0x100 ss:esp 0068:c03a1e5c

Herbert Xu wrote:

> Marco Berizzi <> wrote:
>> Just few minutes ago, another 2.6.25 crash
>> with this message:
>> EIP: [<c028000a>] netif_rx+0x6a/0xd0 SS:ESP 0068:c039f868
> OK, the xfrm_output_resume trail revealed nothing.  Combined
> with this crash however, it would appear that you've got a problem
> with live skbs being freed.  Unfortunately such problems are
> difficult to track down.
> Perhaps you could enable SLAB debugging to see if we can get
> closer to the culprit?

Yes indeed, I will try next monday.

> Alternatively you could try a git bisection.

Yes, but it could take forever... :-((
As I said, I have removed the sfq and htb modules,
and I would like to wait one week to see if these
boxes will crash. I have 8 linux boxes running 2.6.25
with the same .config and only the two with htb/sfq
qdisc are crashing. Just few minutes ago I have seen
this message forwarded to netdev by David Miller:

Re: PROBLEM: kernel lockup while changing TC rules

it is talking about htb/sfq. Maybe it is related.
> Unless we have a way of reproducing this there isn't a lot more
> that we can do I'm afraid.

thanks anyway Herbert.
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