Messages in this thread | | | From | Alexander Fieroch <> | Subject | Re: PROBLEM: "drive appears confused" and "irq 18: nobody cared!" | Date | Thu, 07 Jul 2005 01:20:52 +0200 |
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Protasevich, Natalie wrote: > Hi Alexander, > To me, it looks like both IDE channels get wrong IRQ. Didn't you > verified previously that when you go without IDE the system boots up OK?
Yes it does. That's the way I'm currently using linux.
> They get some interrupts because when IRQ 201 occurs triggered by USB, > the handler for ide runs also, since it is shared with both ide and > uhci. (Can you also attach output for "cat /proc/interrupts" please).
Ah, acknowledged. IDE and USB iterrupts are shared. /proc/interrupts is attached.
>> >Then I would try forth-feeding IRQ 14 to the IDE. >> >>I don't know how to do that. > > I was going to put some code together for you over the weekend, but got > caught up in other things, sorry.
No problem. I just wanted to know that the problem is not forgotten.
> The idea was to forcibly assign IRQ 14 > for ide0 and IRQ 15 for ide1 in the ide driver, setup-pci.c (just for > diagnostics and proof of concept so to speak) and see if devices become > sane. > I will try tweaking it tonight. I need to make sure it works on my > system first and if it does I will send you the code.
> Thanks, > --Natalie
No, thank you for working on that problem!
Regards, Alexander CPU0 CPU1 0: 143266 0 IO-APIC-edge timer 1: 908 0 IO-APIC-edge i8042 7: 0 0 IO-APIC-edge parport0 8: 0 0 IO-APIC-edge rtc 9: 0 0 IO-APIC-level acpi 10: 0 0 IO-APIC-edge MPU401 UART 169: 1857 0 IO-APIC-level skge, uhci_hcd:usb5, HDA Intel 177: 3 0 IO-APIC-level bttv0 185: 365 0 IO-APIC-level ide2, ehci_hcd:usb1, uhci_hcd:usb2 193: 13324 0 IO-APIC-level libata, uhci_hcd:usb3 201: 1600000 0 IO-APIC-level ide0, uhci_hcd:usb4 209: 3 0 IO-APIC-level ohci1394, Ensoniq AudioPCI NMI: 51 1 LOC: 140268 140272 ERR: 1 MIS: 0
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