Re: [PATCH -rt] ide: fix interrupts processing issue withpreempt-able hardirqs

From: Alan Cox
Date: Wed Jun 25 2008 - 08:52:52 EST


> The bug, as I see it, in the alim15x3 (ULi M5228) hardware: for some
> reason it does not hold IRQ line, but rises it for some short period
> of time (while the drive itself rises and holds it correctly -- I'm
> seeing it via oscilloscope).

Are you sure the kernel isn't touching the status register and so
clearing the IRQ condition at the controller ?
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