Messages in this thread | | | Date | Tue, 13 May 2003 15:03:54 +0100 | From | Dave Jones <> | Subject | Re: [PATCH] linux-2.5.69_clear-smi-fix_A1 |
| |
On Mon, May 12, 2003 at 05:30:03PM -0700, john stultz wrote:
> I've been having problems with ACPI on a box here in our lab. Some of > our more recent hardware requires that SMIs are routed through the > IOAPIC, thus when we clear_IO_APIC() at boot time, we clear the BIOS > initialized SMI pin. This basically clobbers the SMI so we can then > never make the transition into ACPI mode. > > This patch simply reads the apic entry in clear_IO_APIC to make sure the > delivery_mode isn't dest_SMI. If it is, we leave the apic entry alone > and return. > > With this patch, the box boots and SMIs function properly.
There's a whole bunch of 'ACPI buggers up interrupt routing' bugs in bugzilla right now, I wonder if this could help out with those.
Dave
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |