page fault in igb driver on 8.0-RC2
Mike Tancsa
mike at sentex.net
Thu Nov 12 15:29:10 UTC 2009
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 at 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 at sentex.net
Providing Internet since 1994 www.sentex.net
Cambridge, Ontario Canada www.sentex.net/mike
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