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SubjectRe: Single P4, many IDE PCI cards == trouble??
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On Gwe, 2003-08-29 at 15:00, Nick Urbanik wrote:
> Is there _anyone_ who is using a number of ATA133 IDE disks (>=6), each on
> its own IDE channel, on a number of PCI IDE cards, and doing so

The most I know of is 8, and that was one of the people who found the
shared IRQ/IDE race cases that 2.4.21 or so fixed.

> > A freeze in an IRQ handler would cause that kind of thing, turning on
> > the NMI watchdog might get you a trace in such a failure case - and
> > that would help.
>
> If the NMI count is positive in /proc/interrupts, and I have nmi_watchdog=2
> in /proc/cmdline, does that mean that the NMI watchdog is turned on? If

nmi watchdog trigger failure would indicate hardware problems in just
about any situation I can imagine. The nmi is just that -not maskable-
by software.


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