[Xen-users] asus P5B Delux not booting xen (ACPI problem?)

["Chris Fanning" <christopher.fanning@xxxxxxxxx>]

Hi,

I'm going crazy trying to get Xen running on an ASUS P5B Delux (latest
BIOS installed).

I've tried xen-3.0.4 and xen-3.1.0 (both compiled from source)

The boot process stalls with
ACP: PCI Interrupt 0000:00:1f.2[B] -> GSI 19 (low level) -> IRQ 18
ahci: 0000:00:1f.2: AHCI 0001.0100 32 slots 6 ports ? Gbps 0x3f impl SATA mode
ahci: 0000:00:1f.2: flags: 64bit ilck stag led pmp pio
ata1: SATA max UDMA/133 cmd 0xE102E900 ctl 0x0 bmdma 0x0 irq 18
ata2: SATA max UDMA/133 cmd 0xE102E980 ctl 0x0 bmdma 0x0 irq 18
ata1: port is slow to resond, please be patient
ata1: failes to respond (30 secs)
scsi0 :ahci
ata2: port is slow to resond, please be patient
ata2: failes to respond (30 secs)

booting xen-3.1.0 adds some more info to the failure:
ata1: SATA link up 3,0 Gpb (SStatus 123 Scontrol 200)
ata1: qc timeout (cmd 0xec)
ata1: failed to identify (I/0 error, err_mask = 0x0104)
ata1: port is slow to resond, please be patient
ata1: failes to respond (30 secs)
ata1: COMRESET failed, device not ready
ata1: hardreset failded

But this doesn't always happen. 50% of the time, the process stalls
for about 6 secs on
ACP: PCI Interrupt 0000:00:1f.2[B] -> GSI 19 (low level) -> IRQ 18
And then continues correctly.

I've tried passing acpi=off to the kernel but this results in
ExtINT not setpup in hardware but reported by MP table.

When I boot this machine with vanilla debian etch, there are no problems.

Any ideas?
Thanks.
Chris.

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