On Sun, Apr 01, 2007 at 10:54:16AM -0500, david l goodrich wrote:
> Manuel Bouyer wrote:
> >On Sat, Mar 31, 2007 at 05:22:20PM -0500, david l goodrich wrote:
> >>I decided it would be a good idea to move a 4.0_BETA2 dom0 from under  
> >>my desk to over with my other servers.
> >>
> >>when i powered the machine back on after the move, the XEN3_DOM0  
> >>kernel won't boot, it hangs at
> >>
> >>uhci1 at pci0 dev 29 function 1: Intel 82801GB/GR USB UHCI Controller  
> >>(rev. 0x01)
> >>
> >>but a GENERIC kernel will boot through grub's 'chainloader' just fine.
> >>
> >>i'd just say wipe the hard drives and start over, but this has domUs  
> >>and data on it that i'd like to keep.  and the stupid thing /used/ to  
> >>boot.
> >>
> >>my / drive is small, of course.
> >>
> >>nialas# df /
> >>Filesystem  1K-blocks      Used     Avail Capacity  Mounted on
> >>/dev/raid0a    508143    188655    294081    39%    /
> >>nialas#
> >>
> >>the dmesg from GENERIC is below.  any ideas?  thanks.
> >
> >If you add -c to the kernel's boot command line, and enter
> >disable uhci
> >quit
> >
> >does it boot ? 
> 
> for those reading this later on that are confused like i was, this is 
> just to say add "-c" to the end of the "module" line in the appropriate 
> /grub/menu.lst entry.
> 
> unfortunately, all disabling uhci did was push the freeze back:
> 
> piixide1 at pci0 dev 31 function 2
> piixide1: Intel 82801G/GR Serial ATA/Raid Controller (ICH7) (rev. 0x01)
> piixide1: bus-master DMA support present
> piixide1: primary channel configured to native-PCI mode
> [hang]
> 
> i should note that the way I have determined it is hung is that 1) it 
> obviously doesn't progress any further in the boot process and 2) the 
> keyboard interrupts are no longer detected - capslock and numlock no 
> longer cause the keyboard lights to change.

it's normal at this point of the boot, interrupts are not yet enbaled to
the keyboard won't react anyway

> 
> >Maybe you have updated this kernel recently, without
> >rebooting ?
> >
> 
> no, this is not something I would do.  well, i hope not.
> Besides, I have also tried booting with a new XEN3_DOM0 kernel from 
> ftp.netbsd.org's most recent daily build, and had the same problem.  In 
> fact, this most recent hang at piixide1 is using 
> <ftp://ftp.netbsd.org/pub/NetBSD-daily/netbsd-4/200703280002Z/i386/binary/kernel/netbsd-XEN3_DOM0.gz>, 
> gunzipped, of course.

It seems to have troubles with establishing interrupts. Can you try disabling
ACPI ?
disable acpi
in userconf.

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
     NetBSD: 26 ans d'experience feront toujours la difference
--