Re: 2.6.20->2.6.21 - networking dies after random time

Jarek Poplawski
2007-07-26T09:02:58Z

On Thu, Jul 26, 2007 at 10:10:31AM +0200, Thomas Gleixner wrote:
> On Thu, 2007-07-26 at 10:13 +0200, Jarek Poplawski wrote:
...
> > PS: Now, it seems to me Thomas could be the nearest. BTW, could somebody
> > give me some tip, how these re-triggered interrupts are skipped on dev's
> > reset before enable_irq?
>
> I think the correct solution is really not to resend level type
> interrupts. If the interrupt line is still active, then the interrupt
> comes up by itself. I'm cooking a patch for that.
>
> The other question is:
>
> Is the driver confused by the resent irq or is the chip-set unhappy
> about the resend ?
>
> We could figure the latter out by activating the software based resend
> method.

Probably I miss something, but isn't there any problem with level type,
when APIC re-triggers an interrupt, which is not acked by driver nor
card (after some hw reset/clear)?

Jarek P.