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Re: mm kernel oops with r8169 & named, PREEMPT

To: Francois Romieu <romieu@xxxxxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx
Subject: Re: mm kernel oops with r8169 & named, PREEMPT
From: Danny <dannydaemonic@xxxxxxxxx>
Date: Wed, 13 Oct 2004 09:05:28 -0700
Cc: netdev@xxxxxxxxxxx
In-reply-to: <20041013072814.GA24066@xxxxxxxxxxxxxxxxxxxxxxxxxx>
References: <9625752b041012230068619e68@xxxxxxxxxxxxxx> <20041013072814.GA24066@xxxxxxxxxxxxxxxxxxxxxxxxxx>
Reply-to: Danny <dannydaemonic@xxxxxxxxx>
Sender: netdev-bounce@xxxxxxxxxxx
On Wed, 13 Oct 2004 09:28:14 +0200, Francois Romieu wrote:
> Try the patch below (courtesy of Jon Mason, whitespaces may be wrong) and
> see 1) if things perform better 2) if "timeout" messages appear in the
> kernel log.

The patch doesn't fix or prevent the oops.  Performance might have
been better but I did no formal tests.  There were no "timeout"
messages in the kernel log, however I only ran it with this change for
35-45 minutes.

I should mention that in the kernel log, with linux-, it
complains "process `named' is using obsolete setsockopt SO_BSDCOMPAT".
 However, with the most recent, 2.6.9-rc4-mm1, it doesn't get that
far.  A "Unable to handle kernel paging request at virtual address
00017f8c" happens instead.  I'm guessing the oops is just killing
named before it gets that far.

I enabled some more debug options in the kernel and I'm getting a 2nd
oops following the first.

I wasn't sure if I should paste the huge oops here, and since the raw
dmesg also shows spin lock errors, I thought I'd just post both on the

I ran it through ksymoops but I don't have a /proc/ksyms and when I
tried using /proc/kallsyms it gave me a format error.  I hope this is
helpful, let me know if there is anything else I can do. (CC me

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