Date: Thu, 05 Apr 2007 22:52:30 +0200 From: Jasper Berlijn <freebsd-stable@claranet.nl> To: Jack Vogel <jfvogel@gmail.com> Cc: freebsd-stable@freebsd.org Subject: Re: em0 watchdog timeout with nfs Message-ID: <4615618E.2040001@claranet.nl> In-Reply-To: <2a41acea0704051118t5e7965f6m76ee26b6263bb9cc@mail.gmail.com> References: <46150E1A.9050900@claranet.nl> <2a41acea0704051118t5e7965f6m76ee26b6263bb9cc@mail.gmail.com>
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Jack Vogel wrote: > On 4/5/07, Jasper Berlijn <freebsd-stable@claranet.nl> wrote: >> Hi, >> >> At this moment I'm running FreeBSD 4.11 without any problems. A couple >> of times I've tried to upgrade to 6.x but without any luck because of >> the watchdog timeout errors on em0 when using nfs. >> >> Mar 30 11:30:48 large kernel: em0: watchdog timeout -- resetting >> Mar 30 11:30:48 large kernel: em0: link state changed to DOWN >> Mar 30 11:30:51 large kernel: em0: link state changed to UP >> Mar 30 11:31:01 large kernel: em0: watchdog timeout -- resetting >> Mar 30 11:31:01 large kernel: em0: link state changed to DOWN >> Mar 30 11:31:03 large kernel: em0: link state changed to UP >> Mar 30 11:31:20 large kernel: em0: watchdog timeout -- resetting >> Mar 30 11:31:20 large kernel: em0: link state changed to DOWN >> Mar 30 11:31:23 large kernel: em0: link state changed to UP >> >> em0@pci0:14:0: class=0x020000 card=0x002e8086 chip=0x100e8086 rev=0x02 >> hdr=0x00 >> vendor = 'Intel Corporation' >> device = '82540EM Gigabit Ethernet Controller' >> class = network >> subclass = ethernet >> >> When I try to copy a large file (1gb) then after a couple of mb's >> (100mb) the wachtdog timeout will occur. The system is most of the time >> idle. Using debug.mpsafenet="0" in /boot/loader.conf doesn't make any >> difference. >> >> Any ideas? > > The driver in 6.2 RELEASE fixed all known problems with > watchdogs, other than REAL issues with the network/hardware. > Have you tried installing that? Running RELENG_6 (FreeBSD 6.2-STABLE (GENERIC) #0: Wed Mar 28 14:32:07 CEST 2007). The network is running at (1000baseTX <full-duplex>) This system is dual boot so it's easy to switch from 4.11 (RELENG_4) and RELENG_6. The system is running without any problem on 4.11. - Jasper
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