Re: 2.5-vanilla scribbles on memory on 8quad during boot

[Zwane Mwaikambo]

On Fri, 4 Apr 2003, William Lee Irwin III wrote:

> On Fri, Apr 04, 2003 at 02:26:18AM -0500, Zwane Mwaikambo wrote:
> > This is all averted by my 'purge panic in as assign_irq_vector' 
> > patch, as well as my not so invasive pernode idt/vector patch.
> > Total of 32 processors activated (31453.18 BogoMIPS).
> > ENABLING IO-APIC IRQs
> >  printing eip:
> > c010c954
> > *pde = 00000000
> > Oops: 0002
> > CPU:    0
> > EIP:    0060:[<c010c954>]    Not tainted
> > EFLAGS: 00010202
> > EIP is at set_intr_gate+0x14/0x30
> > eax: 00606f20   ebx: 07070707   ecx: 07070707   edx: c0138e00
> > esi: c0136f20   edi: 0000000c   ebp: 00000127   esp: c3c9ff40
> > ds: 007b   es: 007b   ss: 0068
> 
> Hmm, this is ugly. As it would otherwise panic(), what workaround was
> this done with?

This one was hit when an index into a NR_IRQS array went out of bounds due 
to the high irq count. I put in an 'if (irq > NR_IRQS) continue' in the 
workaround patch.

	Zwane
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