Interrupt storm

[John Baldwin]

On Tuesday 29 March 2005 01:56 pm, Mike Tancsa wrote:
> At 01:35 PM 29/03/2005, 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:
> >
> >Try this:
> >
> >http://docs.freebsd.org/cgi/mid.cgi?200503161154.04555.jkim
> >
> >Jung-uk Kim
>
> Odd timing, as I came across a different Interrupt storm issue on a box
> that we just migrated to RELENG_5.  The machine has a 3ware card in it, so
> we had the IDE controllers disabled in the BIOS.  However, on bootup
>
> Mar 29 12:45:26 new-dw2 kernel: Interrupt storm detected on "irq14: ata0";
> throttling interrupt source
>
> We rebooted to the BIOS, enabled the IDE controllers, and all was happy
> again.
>
> With it "disabled" in the BIOS, it shows up as an ISA device ? Here is the
> before and after.
>
>
> Mar 29 12:45:26 new-dw2 kernel: ata0 at port 0x3f6,0x1f0-0x1f7 irq 14 on
> isa0 Mar 29 12:45:26 new-dw2 kernel: ata1 at port 0x376,0x170-0x177 irq 15
> on isa0 Mar 29 12:45:26 new-dw2 kernel: Interrupt storm detected on "irq14:
> ata0"; throttling interrupt source
>
>
> Mar 29 12:53:29 new-dw2 kernel: atapci0: <Intel ICH4 UDMA100 controller>
> port 0xf000-0xf00f,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 at device 31.1 on
> pci0 Mar 29 12:53:29 new-dw2 kernel: ata0: channel #0 on atapci0
> Mar 29 12:53:29 new-dw2 kernel: ata1: channel #1 on atapci0

Try disabling it in the BIOS again and removing the hints for ata0 and ata1 
from /boot/device.hints.

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