pending em0 commits for FreeBSD 8.1 STABLE

[Mike Tancsa]

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



--------------------------------------------------------------------
Mike Tancsa,                                      tel +1 519 651 3400
Sentex Communications,                            mike at sentex.net
Providing Internet since 1994                    www.sentex.net
Cambridge, Ontario Canada                         www.sentex.net/mike