Date: Thu, 15 Jan 2009 23:21:01 -0500 From: Dan Langille <dan@langille.org> To: "Marat N.Afanasyev" <amarat@ksu.ru> Cc: freebsd-stable@freebsd.org, Pete French <petefrench@ticketswitch.com> Subject: Re: interrupt storm on MSI IXP600 based motherboards Message-ID: <49700B2D.6000206@langille.org> In-Reply-To: <49700A66.800@ksu.ru> References: <E1LNRDZ-0005sH-JS@dilbert.ticketswitch.com> <496FFADB.1080900@langille.org> <49700A66.800@ksu.ru>
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Marat N.Afanasyev wrote: > Dan Langille wrote: >> Pete French wrote: >>>>>>> kernel: interrupt storm detected on "irq22:"; throttling >>>>>>> interrupt source >>> >>> .... >>> >>>> Opening the case, reading the m/b: >>>> >>>> K9A2 Platinum MSI >>> >>> >>> I hadnt been paying much attention to this thread, but just to let you >>> know that I also saw the same thing on this machine which has an MSI >>> 790FX >>> Platinum motherboard. It was also irq22, and I am also running amd64. >>> >>> In my case I simply disabled the onboard ethernet (which I wasnt using) >>> and the problem went away - but then I only saw the problem once, it >>> wasnt >>> a regular occurrance. If you have an alternative ether card you can drop >>> in thn you could try that... >> >> FYI, this box has always run off an ethernet card (fxp). The on-board >> NIC (re) was enabled. After disabling, the ethernet storms persisted. >> >> > trouble with onboard re(4) was resolved in -CURRENT and -STABLE, but > storms are not bound to ethernet only. storm may appear on any device. > if any device generates enough interrupts rate, storm will arrive. > > I've written about it in > http://lists.freebsd.org/pipermail/freebsd-stable/2009-January/047644.html > > so far i can say that this issue is related on MSI IXP600 based > motherboards only. well, we should try to find out what we can do to > resolve it. Any committer that would like ssh access to this box in order to fix the problem, mail me your public-ssh key. :) -- Dan Langille BSDCan - The Technical BSD Conference : http://www.bsdcan.org/ PGCon - The PostgreSQL Conference: http://www.pgcon.org/
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