I'm runing 2.6.10 SMP. I usually use APM, but I decided to try ACPI.
On my machine, USB (integrated) and Audio (PCI card) shares IRQ:
CPU0 CPU1
0: 19281733 19952671 IO-APIC-edge timer
1: 51751 53105 IO-APIC-edge i8042
4: 1613559 1503569 IO-APIC-edge serial
7: 0 0 IO-APIC-edge parport0
8: 2 0 IO-APIC-edge rtc
9: 0 0 IO-APIC-level acpi
11: 149496 150504 IO-APIC-level uhci_hcd, uhci_hcd
12: 54518 50376 IO-APIC-edge i8042
14: 63398 63535 IO-APIC-edge ide0
15: 1 1 IO-APIC-edge ide1
169: 11440 11565 IO-APIC-level ide2
177: 456415 456480 IO-APIC-level eth0
185: 50307 49693 IO-APIC-level Ensoniq AudioPCI
NMI: 0 0
LOC: 39235997 39236069
ERR: 1
MIS: 0
After a while, I get
irq 185: nobody cared!
[<c01339e2>] __report_bad_irq+0x22/0x90
[<c0133ad8>] note_interrupt+0x58/0x90
[<c0133578>] __do_IRQ+0x128/0x130
[<c0104eba>] do_IRQ+0x1a/0x30
[<c010370a>] common_interrupt+0x1a/0x20
[<c0100690>] default_idle+0x0/0x40
[<c01006ba>] default_idle+0x2a/0x40
[<c0100760>] cpu_idle+0x40/0x70
handlers:
[<e086e000>] (snd_audiopci_interrupt+0x0/0xc0 [snd_ens1371])
Disabling IRQ #185
Then, after some more time, I get
irq 11: nobody cared!
[<c01339e2>] __report_bad_irq+0x22/0x90
[<c0133ad8>] note_interrupt+0x58/0x90
[<c0133578>] __do_IRQ+0x128/0x130
[<c0104eba>] do_IRQ+0x1a/0x30
[<c010370a>] common_interrupt+0x1a/0x20
[<c0100690>] default_idle+0x0/0x40
[<c01006ba>] default_idle+0x2a/0x40
[<c0100760>] cpu_idle+0x40/0x70
[<c03728c7>] start_kernel+0x147/0x170
handlers:
[<c0227ef0>] (usb_hcd_irq+0x0/0x60)
[<c0227ef0>] (usb_hcd_irq+0x0/0x60)
At which point, USB is dead.
Do you know if 'acpi' is responsible for this?
--
William Park <[EMAIL PROTECTED]>, Toronto, Canada
Slackware Linux -- because I can type.
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