Hello. Martin Rogge wrote:
What I don't like is that both PIIX4 and PCI-648 are sharing IRQ15 (PIIX4 is in legacy mode, so it uses edge-triggered IRQ15 which is not shareable). You don't have drives connected to PIIX4, do you? However, it doesn't look like a glitch on IRQ15, it looks like MRDMODE reg. doesn't work as documented...
Well, don't worry too much about the PIIX device. I have disabled it in the BIOS, and I haven't compiled the driver into the kernel.
You can't disable IRQ14/15 it uses this way.
MOst likely you're on the right track with the mrdmode register.
Yet I want to make sure the manual is lying...
cu Martin
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