Martin Josefsson wrote:
> 
> Hi
> 
> I saw your patch for the APIC lockup and I saw that it was included in
> 2.4.1-ac2 so I tried that one.. but it didn't help..
> 
> I can begin with describing my machine:
> 
> dual pIII 800 (133MHz FSB)
> Asus P3C-D mainboard with i820 chipset
> 256MB rimm (rambus)
> Dlink DFE570TX (4 port tulip card)
> Adaptec 29160 scsicard and 18GB scsidisk.
>

Could you apply the attached patch, enable sysrq, compile & install the
kernel, reboot and press sysrq-q after ifup?

We assumed that only the old io apic for 440 BX boards is affected, but
your board contains a newer apic intrated in the ICH.

But probably you ran into another bug - the tulip driver doesn't use
disable_irq()

--
	Manfred