7.0-BETA1: interrupt storm -- do I have to worry?
Jan Henrik Sylvester
me at janh.de
Wed Oct 24 08:34:38 PDT 2007
Ivan wrote:
> Jan Henrik Sylvester wrote:
> > I just installed 7.0-BETA1 for testing. I found this in dmesg:
> >
> > interrupt storm detected on "irq10:"; throttling interrupt source
> >
> > Do I have to worry about this? (Was not there in 6.2.)
>
> Hmm, it's probably USB on irq10. How often do you get it? I have a
> similar laptop with ICH4 on 7-CURRENT which works ok. Please post the
> output of vmstat -i.
I get this on each boot -- always at the same time.
'vmstat -i' on 7.0-BETA1:
interrupt total rate
irq0: clk 214309 996
irq1: atkbd0 171 0
irq5: bfe0 uhci1 593 2
irq7: ppc0 1 0
irq8: rtc 27440 127
irq9: iwi0 acpi0 755 3
irq10: cbb0 cbb1+* 16296 75
irq12: psm0 486 2
irq14: ata0 6660 30
irq15: ata1 1670 7
Total 268381 1248
'vmstat -i' on 6.2-RELEASE-p7:
interrupt total rate
irq0: clk 553229 996
irq1: atkbd0 778 1
irq5: bfe0 uhci1 1768 3
irq7: ppc0 1 0
irq8: rtc 70803 127
irq9: iwi0 acpi0 1705 3
irq10: cbb0 cbb1+* 46543 83
irq12: psm0 1458 2
irq14: ata0 12536 22
irq15: ata1 4171 7
Total 692992 1248
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