Messages in this thread | | | From | Andrew de Quincey <> | Subject | Re: [PATCH] 2.4.23-pre4 add support for udma6 to nForce IDE drive r | Date | Sat, 20 Sep 2003 09:33:48 +0100 |
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On Saturday 20 September 2003 00:49, Allen Martin wrote: > > Interesting; lots of ACPI edge-triggered interrupts: > > > > dagda:~# cat /proc/interrupts > > CPU0 > > 0: 519365 IO-APIC-edge timer > > 1: 16713 IO-APIC-edge keyboard > > 2: 0 XT-PIC cascade > > 8: 4 IO-APIC-edge rtc > > 9: 0 IO-APIC-level acpi > > 14: 863415 IO-APIC-edge ide0 > > 15: 201651 IO-APIC-edge ide1 > > 19: 306188 IO-APIC-level nvidia > > 20: 57261 IO-APIC-level usb-ohci, eth0 > > 21: 0 IO-APIC-level ehci_hcd, NVidia nForce2 > > 22: 3 IO-APIC-level usb-ohci, ohci1394 > > NMI: 0 > > LOC: 519312 > > ERR: 0 > > MIS: 0 > > Your interrupts look fine, this is the way they should be. > > > ... but no stability problems since the primary drive has been > > running at UDMA133. Earlier UDMA100 freezes were completely > > repeatable; identical kernel, just without your two patches. > > You can try downgrading your drive to udma5 to see if udma6 really does > make it more stable (hdparm -X udma5 /dev/hdX) but I can't think of any > reason why it should. > > > I take it that I should boot with noapic in future to be safe. > > I've been telling people to disable APIC / ACPI because of the interrupt > problem, but your interrupts are fine, so I'd leave it alone. I'm curious, > what version BIOS do you have?
ACPI/APIC should work on most nforce/nforce2 boards in 2.4.22 upwards. If not, let me know, and I'll look into it.
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