Date: Fri, 16 Jan 2009 07:17:42 +0300 From: "Marat N.Afanasyev" <amarat@ksu.ru> To: Dan Langille <dan@langille.org> Cc: freebsd-stable@freebsd.org, Pete French <petefrench@ticketswitch.com> Subject: Re: interrupt storm on MSI IXP600 based motherboards Message-ID: <49700A66.800@ksu.ru> In-Reply-To: <496FFADB.1080900@langille.org> References: <E1LNRDZ-0005sH-JS@dilbert.ticketswitch.com> <496FFADB.1080900@langille.org>
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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. -- SY, Marat
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