Re: lockup problem with 2.4.5,8 athlon

dlang (dlang@enabledparadigm.com)
Wed, 15 Aug 2001 10:09:13 -0700 (PDT)


the only reason I am doubting broken hardware is that I have been able to
duplicate the problem on so many different machines. (unless there is a
design flaw in the cooling setup) I will be double checking the temps in a
few min.

David Lang

On Wed, 15 Aug 2001, Mark Hahn wrote:

> Date: Wed, 15 Aug 2001 15:28:54 +0000 (GMT)
> From: Mark Hahn <hahn@physics.mcmaster.ca>
> To: dlang <dlang@enabledparadigm.com>
> Subject: Re: lockup problem with 2.4.5,8 athlon
>
> > when they lock up I cannot ping the box, the screen is blank (does not
> > reapond to alt-sysrq), keyboard numlock does not respond, the reset button
> > does not work and the power switch needs to be held down for 4 sec to shut
>
> if the reset button doesn't work, you have broken hardware;
> the kernel isn't involved with it.
>
> > method 1: over the network.
>
> cause lots of sync logging.
>
> > method2: no network.
>
> cause lots of writes and closes.
>
> > On both machines I have gone into the BIOS and set 'failsafe defaults'.
> > this helped lengthen the time between crashes (before I could sometimes
> > get the machines to crash just by letting them sit idle for several
> > hours).
>
> all signs so far indicate bogus hardware. what is the reported temp
> of your CPU? have you scrutinized the hardware settings, checked for
> bios upgrades, etc?
>
> > please tell me what I can do to assist in debugging this problem.
>
> if you're running 2.4.8, you've already got everything the kernel
> can do to work around known via chipset bugs. there's no known kernel
> bug that would somehow cause this.
>
> not responding to alt-sysrq usually means the motherboard is hung,
> which is not a kernel issue. out of curiosity, though, do you have
>
> CONFIG_X86_UP_IOAPIC=y
> CONFIG_X86_IO_APIC=y
> CONFIG_X86_LOCAL_APIC=y
>
> in your .config? there's some mutterings that the io/local apic
> stuff might not work on athlons.
>
>

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