On Fri, 22 Sep 2006 02:32:11 +0200 Stian Jordet wrote: > tor, 14,.09.2006 kl. 20.43 +0100, skrev Sergio Monteiro Basto: > > drivers/acpi/pci_link.c, line #583 > > acpi_irq_penalty[link->irq.active] += PIRQ_PENALTY_PCI_USING; > > printk(PREFIX "%s [%s] enabled at IRQ %d\n", > > acpi_device_name(link->device), > > acpi_device_bid(link->device), link->irq.active); > > > > any clue about this problem ? > > I think you might be on to something here, but doesn't seem like anyone > with the right skills has anything to add :( But it seems obvious that > it's somewhat related to the fact that LNKD is enabled on irq11, even > though it seems like it should have been irq9. Weird, but I don't > understand nada :( You should probably file a bug in the kernel bugzilla at http://kernel.bugzilla.org and provides lots of info. > Thanks for looking into it, though. > > -Stian > > > > -------- Forwarded Message -------- > > From: Sergio Monteiro Basto > > Subject: Re: [PATCH V3] VIA IRQ quirk behaviour change > > Date: Wed, 13 Sep 2006 01:48:28 +0100 > > > > On Tue, 2006-09-12 at 23:38 +0200, Stian Jordet wrote: > > > On tir, 2006-09-12 at 13:37 +0100, Sergio Monteiro Basto wrote: > > > > Ok, as a quick answer, you have a very primitive VIA SMP board, which > > > > make me remember my old laptop. > > > > I maintain what a had write in previous emails about this system. > > > > Seeing the configuration of irqs on windows, USB are in 9, so could be a > > > > clue. > > > > If I had your board, I'll try not quirk USB (cause quirk put USB in 11) > > > > and make USB interrupts work as IO-APIC-edge. > > > > 9: nnnn nnnn IO-APIC-edge uhci_hcd:usb1, uhci_hcd:usb2, > > > > uhci_hcd:usb3 > > > > > > The point is, that even when I do not quirk (just insert return at the > > > top of the quirk-function), usb still uses irq 11 (as I wrote here: > > > http://lkml.org/lkml/2006/9/6/49 ), but won't work. And acpi (on > > > interrupt 9) gets an interrupt storm, and gets disabled. > > > > > > > Good point , you got on your dmesg of kernel 2.6.18-rc6 > > (http://lkml.org/lkml/2006/9/10/120) > > > > USB Universal Host Controller Interface driver v3.0 > > ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 11 > > ACPI: PCI Interrupt 0000:00:11.2[D] -> Link [LNKD] -> GSI 11 (level, low) -> IRQ 11 > > PCI: VIA IRQ fixup for 0000:00:11.2, from 9 to 11 > > uhci_hcd 0000:00:11.2: UHCI Host Controller > > uhci_hcd 0000:00:11.2: new USB bus registered, assigned bus number 1 > > uhci_hcd 0000:00:11.2: irq 11, io base 0x00009800 > > usb usb1: configuration #1 chosen from 1 choice > > hub 1-0:1.0: USB hub found > > hub 1-0:1.0: 2 ports detected > > > > but before > > > > ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 7 9 10 *11 12 14 15) > > ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 7 9 *10 11 12 14 15) > > ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 *5 6 7 9 10 11 12 14 15) > > ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 7 *9 10 11 12 14 15) > > > > LNKD was on 9, so may be the bug is on ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 11 > > you have to investigate :) > > > > Further more, your interrupts have 4 steps > > ACPI: PCI Interrupt 0000:00:11.2[D] -> Link [LNKD] -> GSI 11 (level, low) -> IRQ 11 > > and mine just got 3 > > ACPI: PCI Interrupt 0000:00:10.1[A] -> GSI 21 (level, low) -> IRQ 201 > > > > > But if I somehow got usb using irq 9, all my problems might vanish... > > > > > > -Stian --- ~Randy - To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
