Date: Wed, 17 Aug 2011 11:06:38 -0700 From: YongHyeon PYUN <pyunyh@gmail.com> To: Ask =?iso-8859-1?Q?Bj=F8rn?= Hansen <ask@develooper.com> Cc: net@freebsd.org, embedded@freebsd.org Subject: Re: system locks up with vr driver on alix board Message-ID: <20110817180638.GA10923@michelle.cdnetworks.com> In-Reply-To: <C64CDCB3-A1DE-48CF-BEE5-54BA7084B3CB@develooper.com> References: <D8B41107-90ED-4357-A7DA-4FF987C70567@develooper.com> <4E4AB3BE.4090603@sentex.net> <9255C71C-BB78-417E-A900-85140FC2050C@develooper.com> <20110817002911.GA7614@michelle.cdnetworks.com> <C64CDCB3-A1DE-48CF-BEE5-54BA7084B3CB@develooper.com>
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On Tue, Aug 16, 2011 at 06:39:51PM -0700, Ask Bj??rn Hansen wrote: > > On Aug 16, 2011, at 17:29, YongHyeon PYUN wrote: > > Hi -- thank you for asking. It's frustrating to have such an obscure and unlikely problem and I apologies for taking your time with it! > > > Could you show me full dmesg and ifconfig output? > > Included below from a happy system. > > I setup some scripts to monitor those things every second and print out diffs on the console and will post again next time it hangs/crashes/whatever is happening with any data. > > > It would also be interesting to know whether vr(4) spewed some logs. > > Where would they have gone? I didn't see anything in messages (via syslog) or dmesg earlier, for what it's worth. > I thought vr(4) have showed some abnormal messages and it would have been logged via syslog. Initially I suspected link flips and TX/RX MAC restart failure triggered by the flips but it seems you don't see this kind of issue. > > How many PPS or interrupts do you see from vr interface under high > > network load? > > Honestly I'm not sure. I only know how to see the interrupt busy percentage from top … Is there a cheap way to get those numbers? If so then I'll log them every second or two and see if it catches anything. > Apart from systat or vmstat, you could get rough PPS with "netstat -ndI vr0 -w 1" > > - ask > > gw-b.dev# ifconfig -a [...] It seems vlan3 is not configured(i.e. just cloned). Apart from that all looks normal.
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