Date: Tue, 07 Mar 2006 12:41:09 +0100 From: Michal Mertl <mime@traveller.cz> To: Gleb Smirnoff <glebius@FreeBSD.org> Cc: freebsd-current@FreeBSD.org, scottl@FreeBSD.org Subject: Re: more problems with em(4) Message-ID: <1141731669.1975.41.camel@genius.i.cz> In-Reply-To: <20060307113303.GJ1102@cell.sick.ru> References: <1141730975.1975.37.camel@genius.i.cz> <20060307113303.GJ1102@cell.sick.ru>
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Gleb Smirnoff wrote: > Hi, Michal! > > On Tue, Mar 07, 2006 at 12:29:34PM +0100, Michal Mertl wrote: > M> Today I've updated one machine acting as a router to RELENG_6 and I've > M> also got several watchdog timeouts on the machine. One em card (em1) > M> shares the IRQ with USB (as on the notebook) whereas the other doesn't. > > All new interrupt handling done by Scott is solely in HEAD, nothing > is merged to RELENG_6. Yes I know. Some other changes got merged though. > M> The machine didn't stop forwarding packets so it is probably a different > M> problem that the one with wedged card, possibly completely harmless. It > M> will be pretty bad if we shipped 6.1 with broken em(4) driver though. > M> The first watchdog message appeared after almost 2 hours of operation > M> (so it wasn't some stabilizing on boot or something). It has never > M> appeared before in more than a year with 5.x (the router is only lighly > M> loader - it pushes 1Mbps on average). > M> > M> The em card in the notebook identifies itself in 'pciconf -lv' output as > M> "82540EP Gigabit Ethernet Controller (Mobile)" whereas on the router the > M> card is "82541EI Gigabit Ethernet Controller (Copper)". > M> > M> Mar 6 21:56:26 sx-a kernel: em1: watchdog timeout -- resetting > M> > M> I've changed the media settings of em0 from 100-full to auto here (em1 > M> has been set to auto and runs 1000-full all the time). > M> Mar 7 01:35:45 sx-a kernel: em0: Link is up 100 Mbps Full Duplex > M> > M> Mar 7 01:43:16 sx-a kernel: em0: watchdog timeout -- resetting > M> Mar 7 05:33:57 sx-a kernel: em1: watchdog timeout -- resetting > M> > M> Verbose dmesg available on request. > > Before the latest change these line was just suppressed due to typo. So > the card actually got timeout and was reseted, but nothing was printed. > Please see the latest change in RELENG_6 and comments to it. I see. I haven't probably paid enough attention to the commit message (although I saw it) :-(. Thank you very much for your quick response. I will sleep soundly again. Michal
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