Date: Thu, 12 Nov 2009 10:28:17 -0500 From: Mike Tancsa <mike@sentex.net> To: Jack Vogel <jfvogel@gmail.com>, pyunyh@gmail.com Cc: jfv@freebsd.org, Mykola Dzham <freebsd@levsha.org.ua>, current@freebsd.org Subject: Re: page fault in igb driver on 8.0-RC2 Message-ID: <200911121529.nACFT8ad037531@lava.sentex.ca> In-Reply-To: <2a41acea0911111419v5ae5682cy12613e1bd9a9c325@mail.gmail.co m> References: <20091017222314.GB19204@michelle.cdnetworks.com> <200911092215.nA9MFeDP013898@lava.sentex.ca> <2a41acea0911091459w2b4fec5djd64d0324557b7da2@mail.gmail.com> <200911100021.nAA0LvMG014534@lava.sentex.ca> <2a41acea0911091633u2899b47ewb514b6276ba2cf62@mail.gmail.com> <200911100227.nAA2RtDY015177@lava.sentex.ca> <2a41acea0911101057q4f913e30m9319e52bbd254cfe@mail.gmail.com> <2a41acea0911101120o39fd695cpa325736d00b11587@mail.gmail.com> <200911102018.nAAKI3s7021614@lava.sentex.ca> <20091111203101.GC15449@michelle.cdnetworks.com> <2a41acea0911111419v5ae5682cy12613e1bd9a9c325@mail.gmail.com>
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At 05:19 PM 11/11/2009, Jack Vogel wrote: >Ya, so maybe a more robust solution to that failure would be a good >thing, but this is not the time for more elaborate code, having this small >fix put in is low risk and the better failure response can come later. > >In fact, I have a number of places in the ixgbe driver where I'm pondering >over what to do in failure mode anyway. [trimming re@freebsd as this isnt a release issue] No panics yet, but at around 350k pps, I see interrupt storm detected on "irq257:"; throttling interrupt source interrupt storm detected on "irq257:"; throttling interrupt source interrupt storm detected on "irq257:"; throttling interrupt source interrupt storm detected on "irq257:"; throttling interrupt source interrupt storm detected on "irq257:"; throttling interrupt source interrupt storm detected on "irq257:"; throttling interrupt source interrupt storm detected on "irq257:"; throttling interrupt source interrupt storm detected on "irq257:"; throttling interrupt source interrupt storm detected on "irq257:"; throttling interrupt source interrupt storm detected on "irq257:"; throttling interrupt source interrupt storm detected on "irq257:"; throttling interrupt source interrupt storm detected on "irq257:"; throttling interrupt source interrupt storm detected on "irq257:"; throttling interrupt source interrupt storm detected on "irq257:"; throttling interrupt source interrupt storm detected on "irq257:"; throttling interrupt source interrupt storm detected on "irq257:"; throttling interrupt source interrupt storm detected on "irq257:"; throttling interrupt source 0(ich10)# vmstat -i interrupt total rate irq16: uhci0+ 22 0 irq18: ehci0 uhci5 15 0 irq19: fwohci0++ 78 0 irq21: uhci1 17 0 irq23: uhci3 ehci1 2 0 cpu0: timer 175404021 1998 irq256: igb0 19731770 224 irq257: igb0 30741918 350 irq258: igb0 14 0 irq259: igb1 71514077 814 irq260: igb1 28098687 320 irq261: igb1 2 0 irq262: em0 4435336 50 irq263: ahci0 89527 1 cpu7: timer 175395421 1998 cpu6: timer 175394148 1998 cpu1: timer 175395011 1998 cpu4: timer 175394583 1998 cpu5: timer 175395129 1998 cpu3: timer 175395466 1998 cpu2: timer 175394884 1998 Total 1557780128 17749 0(ich10)# -------------------------------------------------------------------- Mike Tancsa, tel +1 519 651 3400 Sentex Communications, mike@sentex.net Providing Internet since 1994 www.sentex.net Cambridge, Ontario Canada www.sentex.net/mike
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