From: Denis Vlasenko <vda@port.imtp.ilyichevsk.odessa.ua>
To: "Pods" <pods@dodo.com.au>, linux-kernel@vger.kernel.org
Subject: Re: lotsa oops - 2.6.5 (preempt + unable handle virutal address + more?)
Date: Sat, 5 Jun 2004 22:00:37 +0300
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On Saturday 05 June 2004 18:27, Pods wrote:
> >> Run memtest86
> Tried once before, didnt boot... died :( memtest page says this happens on
> some hardware and they're not sure why.

Ho hum. Looks like good starting point to debug.
Remove RAM until you have <= 2 GB, then run memtest86
(or modified versions of it with debug prints)
until you know where it dies.

> >> Underclock your system
> its not over clocked :/

I mean, underclock below normal conditions.

> >> lower IDE DMA mode and see whether it stops oopsing.
>
> tried setting dma = off in hdparm, didnt work, still got crashes compiling
> firebird.. infact, it didnt even get passed the ./configure stage :(

Use hdparm to set, say, udma0.

> Each time (just about, didnt do it once out of 6ish times) i set the dma to
> off (either at boot or runtime) i got a "spurious 8259A interript: IRQ 7"..
> apparantly, iirc that debug message has been taken out of 2.6.6

I have 'em too. Not a real issue on lots of systems.

> Please guys, CC me your responces, otherwise i have to look at some
> archives, and reply via webmail... it took 2 firefox crashes (one of which
> brought down X) to just right this message... now im going to take a chance
> and hit the submit
> button
--
vda

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