Re: SCSI aic7xxx driver: Initialization Failure over a kdump reboot

[Arjan van de Ven]

On Sun, 2005-01-30 at 13:27 -0200, Marcelo Tosatti wrote:
> On Fri, Jan 07, 2005 at 04:38:32AM +0000, Matthew Wilcox wrote:
> > On Thu, Jan 06, 2005 at 11:53:27PM -0500, Lukasz Kosewski wrote:
> > > I have an idea of something I might do for 2.6.11, but I doubt anyone
> > > will actually agree with it.  Say we keep a counter of how many times
> > > interrupt x has been fired off since the last timer interrupt
> > > (obviously, a timer interrupt resets the counter).  Then we can pick an
> > > arbitrary threshold for masking out this interrupt until another device
> > > actually pines for it.
> > > 
> > > Or something.  The point is, we need a general solution to the problem,
> > > not poking about in every single driver trying to tie it down.
> > 
> > Something like note_interrupt() in kernel/irq/spurious.c?
> 
> BTW I wonder if its feasible to add an interface on top of kernel/irq/spurious.c for 
> notifying drivers about interrupts storms, so they can take appropriate action 
> (try to reset the device).

the problem is... the driver just denied it was their irq (at least in
all the common cases)... 


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