2001-02-02 09:34:50

by Nicholas Knight

[permalink] [raw]
Subject: Fw: VT82C686A corruption with 2.4.x

oops, I forgot to send this to linux-kernel as well...

----- Original Message -----
From: "Nicholas Knight" <[email protected]>
To: "David D.W. Downey" <[email protected]>
Sent: Thursday, February 01, 2001 5:24 AM
Subject: Re: VT82C686A corruption with 2.4.x


> ----- Original Message -----
> From: "David D.W. Downey" <[email protected]>
> To: "David Riley" <[email protected]>
> Cc: <[email protected]>
> Sent: Thursday, February 01, 2001 4:51 AM
> Subject: Re: VT82C686A corruption with 2.4.x
>
>
> > Yeah, I'm seriously beginning to think it's a board specific issue. If I
> > drop the RAM count down to 768MB I get far less drops in app deaths
>
> <....>
>
> >Right now I've got the full 1GB in there. What I'm seeing now is
> >application deaths, occational X11 lockups, but SUPRIZE! SUPRIZE! no more
> >drive corruptions since I removed the DMA flag from the drives, disabled
> >DMA use in the BIOS and replaced the ATA66 cable with an ATA33.
>
> (the following is a lot of conjecture and doesn't wholly fit the
information
> avalible to me on this problem, but maybe it'll help bring about other
ideas
> that will lead to a fix for this)
>
> OK, I haven't had a chance to get 2.4 up and running yet, but yesterday I
> was troubleshooting some lockup issues in Win2k and there was a slim
chance
> that it might have had to do with overheating of the chipset that controls
> the RAM on the machine; but it turned out to be something of a driver
issue.
> However this got me thinking more about heat... this *really* is sounding
> more and more like a heat problem to me... esspecialy if it might be board
> specific, since there might be something in the specific designs that
causes
> higher levels of heat.
> I *KNOW* that it seems unlikely since no other OS is exhibiting these
> problems to my knowledge (including linux 2.2.*) but what if? Could there
be
> something in 2.4 making it more sensitive to errors related to heat? Could
> 2.4 somehow be making the HDD controllers run hotter?
> Prehaps we should start collecting average system tempatures of systems
that
> display this problem, esspecialy while running 2.4.x both with and without
> DMA enabled.
>
> <end conjecture spoken by someone without enough information avalible to
> him>
>
> -NK
>