On Wed, Jun 25, 2008 at 01:32:57PM +0100, Alan Cox wrote: > > 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 ? There are lots of places that reads status register, and looking into the code flow I don't see any problem with the code. But to be sure I inserted a printk into INB, and I don't see any status reads when/after the drive asserts its IRQ. -- Anton Vorontsov email: cbouatmailru@xxxxxxxxx irc://irc.freenode.net/bd2 -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html