Re: 2.6.18-rc1 fails to boot on Ultra 5

[David Miller <davem@davemloft.net>]

From: Mikael Pettersson <mikpe@it.uu.se>
Date: Sun, 9 Jul 2006 12:40:58 +0200 (MEST)

> 2.6.17-git7 was the last development kernel to boot on my U5.
> 2.6.17-git8 to -git15 all hang immediately after being loaded.
> 2.6.17-git16 to 2.6.18-rc1 partially boot but crash and burn in
> different places depending on kernel configuration: my standard
> config got alignment exceptions in the floppy driver followed by
> (sabre?) PCI errors and a hang; a minimal kernel gets further but
> fails "su" probe and then oopses hard when the /dev/hda partition
> table is about to be printed.
> 
> I'll try to capture the kernel messages soon, but I don't have
> a null-modem serial cable to the U5 yet, and my attempts to use
> a digital camera only resulted in blurry pictures of the screen :-(

I have an ultra5 here, I'll give it some testing.  I bet I messed up
the interrupt mapping register handling for the Sabre pci controller.

Thanks for the report.