Date: Wed, 23 Nov 2005 21:17:26 -0800 From: Julian Elischer <julian@elischer.org> To: Michael Vince <mv@roq.com> Cc: John Polstra <jdp@polstra.com>, net@freebsd.org, current@freebsd.org, Kris Kennaway <kris@obsecurity.org> Subject: Re: em interrupt storm Message-ID: <43854CE6.6030200@elischer.org> In-Reply-To: <43851A08.5080802@roq.com> References: <20051123030304.GA84202@xor.obsecurity.org> <XFMail.20051122205449.jdp@polstra.com> <20051123084653.GA90927@xor.obsecurity.org> <43851A08.5080802@roq.com>
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Michael Vince wrote: > Kris Kennaway wrote: > >> >> > This is Intels latest server chipset designs and Dell are putting that > chipset in all their servers. > Luckily I haven't not seen the problem on any of my Dell servers (as > long as I am looking at this right). > I just tried intel's latest em driver (3.2.18) with 6 interfaces on a 4.10 system on a dell 2850 server. (E7525 chipset I think) The result was the system hanging (couldn't do anything other than enter the debugger). backtraces showed tight loops in the em interrupt routines. Not sure if it's related yet.
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