Re: hdc: lost interrupt

From: Derek J Witt (cappicard@flinthills.com)
Date: Sun Mar 03 2002 - 00:22:33 EST



attached mail follows:


I just solved my lost interrupt problems. I just moved my Caviar hard
drive from secondary master to primary slave. and I've not received any
lost interupt errors. But I may just recompile my kernel without apic. I
also have an SMP-capable controller that is also used for the sensor. But,
I know I don't need an apic for the sensor to run.

(I wonder if the apic is throwing off my LM80's readings. That's a
different matter.)

>
>> yeah, I am. My celeron 500 PPGA has APIC. Oh, could the apic causing
>> interrupt timing problems?
>
>yes, that's the point. windows doesn't use the local apic,
>so a lot of bioses don't configure it properly. note that it
>offers only fairly obscure benefits (nmi oopser, perf-counter events);
>in particular, the local apic is probably *slower* than normal pic.
>
>
>
>
>
>> On Sat, 2002-03-02 at 10:16, Mark Hahn wrote:
>> > > losing IDE interrupts. I tried disabling multimode in makeconfig but to
>> >
>> > are you using the local apic?
>> >
>> > here are the set settings I use on my via-based machines (which are all stable):
>> > CONFIG_IDE=y
>> > CONFIG_BLK_DEV_IDE=y
>> > CONFIG_BLK_DEV_IDEDISK=y
>> > CONFIG_IDEDISK_MULTI_MODE=y
>> > CONFIG_BLK_DEV_IDECD=y
>> > CONFIG_BLK_DEV_IDEPCI=y
>> > CONFIG_IDEPCI_SHARE_IRQ=y
>> > CONFIG_BLK_DEV_IDEDMA_PCI=y
>> > CONFIG_BLK_DEV_ADMA=y
>> > CONFIG_IDEDMA_PCI_AUTO=y
>> > CONFIG_BLK_DEV_IDEDMA=y
>> > CONFIG_BLK_DEV_VIA82CXXX=y
>> > CONFIG_IDEDMA_AUTO=y
>> > CONFIG_BLK_DEV_IDE_MODES=y
>> >
>> > > Has anyone else with a Via chipset been able to boot into 2.5.x without having these interrupt problems? Any suggestions will be helpful.
>> >
>> > I confess I haven't ventured to use 2.5 on any machines.
>> >
>> >
>>
>
>--
>operator may differ from spokesperson. hahn@coffee.mcmaster.ca
> http://java.mcmaster.ca/~hahn

** Derek J Witt **
* Email: mailto:djw@flinthills.com *
* Home Page: http://www.flinthills.com/~djw/ *
*** "...and on the eighth day, God met Bill Gates." - Unknown **

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