* Re:RE: interrupts across PCI bridge(s) not handled
@ 2003-11-05 9:12 Frank Horowitz
0 siblings, 0 replies; only message in thread
From: Frank Horowitz @ 2003-11-05 9:12 UTC (permalink / raw)
To: linux-kernel; +Cc: torvalds
On Mon, 3 Nov 2003, Linux Torvalds wrote:
> On Mon, 3 Nov 2003, Charles Martin wrote:
> >
> > I enabled ACPI, and the interrupts are now assigned correctly,
> > and in the range of 48-51:
>
> Good.
>
> > I didn't realize that ACPI is related to interrupt management
> > as well as power control. Is there any downside to using ACPI?
>
> The downside to ACPI is that it's a complex standard, and with
> complexity
> comes the inevitable bugs. As you just found out, it does a lot more
> than
> just power control (the "C" is for "Configuration").
>
> On some machines the ACPI support is even more broken than other BIOS
> tables, but it's getting better.
I infer from this discussion that the old (2.2.x-era) rule-of-thumb
about disabling ACPI for SMP systems is now dangerous advice. True?
(Even for a 2.4.x series kernel?) Any other "gotchas" with ACPI and SMP
systems?
Frank Horowitz
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2003-11-05 9:12 Re:RE: interrupts across PCI bridge(s) not handled Frank Horowitz
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