Messages in this thread | | | Date | Mon, 19 Jul 2010 18:29:33 +0200 | From | Jiri Slaby <> | Subject | Re: [PATCH 1/1] ACPI: pci_irq, add PRT_ quirk for IBM Bartolo |
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On 07/06/2010 02:28 AM, Robert Hancock wrote: > On 06/30/2010 03:20 AM, Jiri Slaby wrote: >> On 06/30/2010 01:23 AM, Robert Hancock wrote: >>> What kind of slot is it, and what kind of device was being used, >>> something designed for this machine or just some random card? >> >> It's a netmos 9835 serial card with 2 ports. PCI, there is no PCIe in >> the machine as far as I can see. >> >>> Can they >>> tell what IRQ the device is reportedly using in Windows and if it >>> matches what Linux reports? >> >> I can ask them. What I know is that with acpi=noirq (or with the quirk) >> the IRQ number is 10, with acpi without the quirk, it's 11: >> >> PCI: setting IRQ 2 as level-triggered >> serial 0000:00:09.0: found PCI INT A -> IRQ 2 >> 0000:00:09.0: ttyS4 at I/O 0x1898 (irq = 10) is a 16550A >> 0000:00:09.0: ttyS5 at I/O 0x1890 (irq = 10) is a 16550A >> >> ACPI: PCI Interrupt Link [LNKB] enabled at IRQ 11 >> PCI: setting IRQ 11 as level-triggered >> serial 0000:00:09.0: PCI INT A -> Link[LNKB] -> GSI 11 (level, low) -> >> IRQ 11 >> 0000:00:09.0: ttyS4 at I/O 0x1898 (irq = 11) is a 16550A >> 0000:00:09.0: ttyS5 at I/O 0x1890 (irq = 11) is a 16550A >> >> I still no point in comparing this to Windows' setup. We can't find out >> whether it is quirked or better (without some bug) handled there. > > Well, you can see if Windows shows IRQ 10 or 11 for that device..
But how can I find out which link it is routed to in Windows? Without that information the number is meaningless, no?
thanks, -- js suse labs
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