Re: [PATCH 0/4] Remove interrupt stack table usage from x86_64 kernel(v2)

[Avi Kivity]

Ingo Molnar wrote:
> * Ingo Molnar <mingo@xxxxxxx> wrote:
>
>   
> > They have the following commit IDs, and they are also in tip/master:
> >
> >  921e521: x86: move NMI back to interrupt stack
> >  36ef6c9: x86: make interrupt stack switching atomic
> >  dd64891: x86: consolidate irq stack switching to a single macro
> >  955a368: x86: drop the use of the tss interrupt stack table (IST)
> >
> > I also started testing them in tip-qa.
> >     
>
> testing failed quickly, the attached config crashes. I've pushed out the 
> bad kernel to the tip/tmp.master.bad branch:
>
>  fe3aac9: Merge branch 'x86/irq'
>
> (no crashlog available - all i know that the box crashed and rebooted, 
> when booted with the bzImage built out of the attached config.)
>   

I managed to reproduce this (after several hundred million interrupts 
and several dozen million NMIs - do you run anything special on your tests?)

--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/