ACPI Problems: IRQ conflicts on USB controllers and SATA controller

[Erik Norgaard]

John Baldwin wrote:
> Disable APIC (and only APIC) and try again.  This patch is only going to 
> (possibly) fix the case of ACPI and pci_link on, but APIC off.

OK, I did that, and I've just tried again to be sure, no luck:

apic disbled, I booted several times:

#1: Hang at GEOM: new disk ad0

#2: Hang after ACPI-0800 errors

#3: Boot! ACPI-0800 errors in dmesg. CPU uses 3-5% on IRQ. IRQ storm on 
IRQ3 when USB stick attached. System didn't freeze in the first 15 minutes.

#4: As #3 but no ACPI-0800 errors, System freeze!

#5: As in #1.

#6: As in 3.

Then, with hint: hw.pci.link.LNKB.irq=10

#7: Boot, system freeze

#8: Boot, irq storm on irq 3 when USB stick attached.

Then with all the hints LNK?.irq=10:

#9: As #8.

Gave up, back to original loader.conf. I don't know if more dmesg's are 
useful? Well, the usual location, http://www.locolomo.org/src/acpi/ from 
boot

#3: dmesg-GENERIC-patch-no_apic,
#7: dmesg-GENERIC-patch-hint-no_apic and
#9: dmesg-GENERIC-patch-hints-no_apic

There is one bright point though?: I previously reported irq storm on 
irq 5 when configuring the wireless. This occurs now only if pci_link is 
disabled. Otherwise the interface comes up happy. But, that's pretty 
useless as long as the system freezes... :(

Thanks, Erik
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