Date: Thu, 10 Mar 2011 10:24:40 -0800 From: Sean Bruno <seanbru@yahoo-inc.com> To: Pete French <petefrench@ingresso.co.uk> Cc: "freebsd-stable@freebsd.org" <freebsd-stable@freebsd.org> Subject: Re: em0 hangs without any messages like "Watchdog timeout" only down/up reset it. Message-ID: <1299781480.2617.5.camel@hitfishpass-lx.corp.yahoo.com> In-Reply-To: <E1PsYzD-000LIT-MP@dilbert.ticketswitch.com> References: <E1PsYzD-000LIT-MP@dilbert.ticketswitch.com>
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On Thu, 2011-02-24 at 03:03 -0800, Pete French wrote: > I havent investigated far enough yet to see if this is the same problem, but > I am also seeing hangs on em0 when under heavy load. This is 8-STABLE from > the 17 at around 3pm. > > em0@pci0:0:25:0: class=0x020000 card=0x281e103c chip=0x10bd8086 rev=0x02 hdr=0x00 > vendor = 'Intel Corporation' > device = 'Intel 82566DM Gigabit Ethernet Adapter (82566DM)' > class = network > subclass = ethernet > > What I am doing here is using ggated/ggatec to provide drives to another > machine which is adding them into a ZFS pool. This locks up the ethernet > in about 20 minutes. Going to concole on the machine all looks fine, > but it is not possible to ping anything through the em0 interface. > > I have no special tunings for em0, though I do have expanded buffer > space to improve the ggated performance > > kern.ipc.maxsockbuf=1048576 > net.inet.tcp.sendspace=131072 > net.inet.tcp.recvspace=131072 > > Machine is amd64 with 6 gig of RAM. > > -pete. > _____________________________________ If you ifconfig down/up the interface does it come back to life? Sean
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