It should be obvious from my logs, but I have 4 IDE controllers: 2 VIA-
provided and 2 Promise PDC20265.

My setup is as follows:

* DVD+-RW as master (/dev/hda);
* plain CD-ROM as master (/dev/hdc);
* my main hard disk as master (/dev/hde).

The problem happens when the hard disk is accessed: without passing
irqpoll to the kernel, I can't actually boot (well, I *can* boot, but I
receive a lot of messages regarding DMA being disabled).

Anyway, the dmesg attached earlier shows that I have a "irq 10 nobody
cared" problem. I used to have this with kernel.org kernels, but only
when I used another hard drive (as /dev/hdg). Now, it's showing up here
with ubuntu's kernel much earlier... :-(

Anyway, please let me know if I can help this further.


Regards, Rog'erio Brito.

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Can't boot unless passing "irqpoll" option to the kernel
https://bugs.launchpad.net/bugs/123617
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