Re: Interrupt storm

From: John Baldwin (jhb_at_FreeBSD.org)
Date: 04/05/05

  • Next message: John Baldwin: "Re: Interrupt storm" 
    To: freebsd-current@FreeBSD.org
Date: Tue, 5 Apr 2005 10:30:42 -0400

    On Tuesday 29 March 2005 01:35 pm, Jung-uk Kim wrote:
    > On Tuesday 29 March 2005 01:22 pm, Dan Cojocar wrote:
    > > Hello all,
    > >
    > > I noticed the following interrupt storm in my dmesg:
    > >
    > > Interrupt storm detected on "irq11: rl1"; throttling interrupt
    > > source Interrupt storm detected on "irq5: rl0"; throttling
    > > interrupt source
    > >
    > > Here is my vmstat -i:
    > > interrupt total rate
    > > irq0: clk 128600 199
    > > irq1: atkbd0 2499 3
    > > irq4: sio0 2 0
    > > irq5: rl0 128901 200
    > > irq8: rtc 82294 127
    > > irq11: rl1 128902 200
    > > irq12: psm0 16152 25
    > > irq14: ata0 12600 19
    > > irq15: ata1 71 0
    > > Total 500021 776
    > >
    > > and here is my dmesg:
    > > http://cs.ubbcluj.ro/~dan/dmesg.txt
    > >
    > > I have options DEVICE_POLLING and options HZ=200, i have tested
    > > with greater HZ values like 1000, and without DEVICE_POLLING but i
    > > have the same storm.
    >
    > Try this:
    >
    > http://docs.freebsd.org/cgi/mid.cgi?200503161154.04555.jkim

    He's not using an APIC so that won't make any difference. 

    -- 
John Baldwin <jhb@FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve"  =  http://www.FreeBSD.org
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