Date: Sat, 6 Mar 2010 10:39:48 -0800 From: Jack Vogel <jfvogel@gmail.com> To: Jack Vogel <jfvogel@gmail.com>, Nick Rogers <ncrogers@gmail.com>, stable@freebsd.org Subject: Re: em(4) interface hangs under 8.0-RELEASE Message-ID: <2a41acea1003061039s41dda598v563edf76d609c4f0@mail.gmail.com> In-Reply-To: <20100306180029.GA99452@voi.aagh.net> References: <147432021003051648x1a1417dfp3c778922ea2c571f@mail.gmail.com> <2a41acea1003051718r241ac3e9w6ceb37bde0128b43@mail.gmail.com> <20100306180029.GA99452@voi.aagh.net>
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I need a bit more context Nick. Is this a card that has been non-problematic on older releases and just showed a problem with 8.0 REL? Regards, Jack On Sat, Mar 6, 2010 at 10:00 AM, Thomas Hurst <tom.hurst@clara.net> wrote: > * Jack Vogel (jfvogel@gmail.com) wrote: > > > Its using MSI? Given that its PCI-X I have no idea how robust MSI is, > > how bout you compile it with that disabled, use legacy IRQ and see > > if that makes any diff. > > I'm seeing similar issues with a quad port 82546EB card, and they're not > using MSI as far as I can tell; IRC 28-31. MSI's are >127 or so I > think? > > > Using TSO on anything pre-PCI Express is a bad idea, probably why > > its gotten a bad rep in the em driver. > > Don't see TSO in ifconfig options, but will issue an ifconfig em3 -tso > to see if it makes any difference. > > Interestingly I can pull 30-60MB/s to/from em0 (LAN) without any > problems, but pulling 5MB/s from em3 has repeatedly led to the interface > just going silent until I bounce it. Quite intermitent though, > sometimes it dies in the first second or two, sometimes I can pull down > 20GB without a hitch. > > -- > Thomas 'Freaky' Hurst > http://hur.st/ >
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