Date: Fri, 29 Oct 2010 15:48:25 -0400 From: Mike Tancsa <mike@sentex.net> To: "Bjoern A. Zeeb" <bz@FreeBSD.org> Cc: Denis Ahrens <denis@berlin.ccc.de>, svn-src-head@FreeBSD.org, Philipp, =?iso-8859-1?Q?W=FCnsche?= <cryx@h3q.com>, Randy Bush <randy@psg.com> Subject: Re: pending em0 commits for FreeBSD 8.1 STABLE Message-ID: <201010291948.o9TJmX5Y064325@lava.sentex.ca> In-Reply-To: <20101029135858.E66242@maildrop.int.zabbadoz.net> References: <0C099B90-AFB9-422F-AB75-AFC138A36D20@berlin.ccc.de> <20101029013606.I66242@maildrop.int.zabbadoz.net> <201010291342.o9TDggVQ062469@lava.sentex.ca> <20101029135858.E66242@maildrop.int.zabbadoz.net>
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At 10:06 AM 10/29/2010, Bjoern A. Zeeb wrote:
>>Actually,
>> I dont think its an em bug as I can trigger this crash with
>> the igb nic. Perhaps these are 2 different issues being hit ?
>> Anyways, I tried with
>
>Yes what you have down there looks *sigh* hopefully like a different
>issue thought it mbuf fiddling again but way further up the stack.
>
>Could you please concentrate on only reproducing the
> if<n>: discard frame w/o packet header
>issue rather than breaking things left and right as well? ;-)
Well, I can recreate it. But unfortunately, its on zoo itself :(
0(zoo)# tail /var/log/kernel
Oct 23 00:00:00 zoo newsyslog[25247]: logfile turned over
Oct 29 11:37:19 zoo kernel: cannot forward src
fe80:2::230:48ff:fe67:4880, dst 2607:f3e0:0:80::290, nxt 58, rcvif
em1, outif em0
Oct 29 11:37:37 zoo kernel: cannot forward src
fe80:2::230:48ff:fe67:4880, dst 2607:f3e0:0:80::290, nxt 58, rcvif
em1, outif em0
Oct 29 11:40:05 zoo kernel: cannot forward src
fe80:2::230:48ff:fe67:4880, dst 2607:f3e0:0:80::290, nxt 58, rcvif
em1, outif em0
Oct 29 12:30:06 zoo syslogd: kernel boot file is /boot/kernel/kernel
Oct 29 15:20:19 zoo kernel: em1: promiscuous mode enabled
Oct 29 15:20:24 zoo kernel: em1: promiscuous mode disabled
Oct 29 15:43:53 zoo kernel: em1: discard frame w/o packet header
Oct 29 15:44:29 zoo last message repeated 6 times
Oct 29 15:46:30 zoo last message repeated 14 times
0(zoo)#
Same method to make it happen as last Friday. It just takes a bit of time.
---Mike
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Mike Tancsa, tel +1 519 651 3400
Sentex Communications, mike@sentex.net
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