[Xen-users] hang in mup.sys

[jamesjames <jab.nabble@xxxxxxxxxxx>]

I'm trying to migrate off of windows. I have CentOS on my laptop, on a new
harddrive. The old harddrive is in a USB caddy. I'm got an HVM xen setup
using mapping /dev/sdb (the USB drive) to hda. Windows boots correctly until
it gets to mup.sys, at which point it sits at 100% cpu.

I have found various mentions of this problem on here and elsewhere, but so
far no fixes. I'm running Xen 3.1.0 on Centos 5.1:

Xen version 3.1.0-53.1.21.el5 (mockbuild@(none)) (gcc version 4.1.2 20070626
(Red Hat 4.1.2-14)) Tue May 20 09:27:48 EDT 2008

This is my qemu log:

domid: 1
qemu: the number of cpus is 1
*** image /local/domain/0/backend/vbd/1/768 format raw driver 0x693e40
Watching /local/domain/1/logdirty/next-active
qemu_map_cache_init nr_buckets = 10000
shared page at pfn 3ffff
buffered io page at pfn 3fffd
xs_read(/vm/b1dfa3fe-8662-751b-79ef-0923e282be24/rtc/timeoffset): read error
xs_read(): vncpasswd get error.
/vm/b1dfa3fe-8662-751b-79ef-0923e282be24/vncpasswd.
char device redirected to /dev/pts/1
Triggered log-dirty buffer switch
I/O request not ready: 3, ptr: 0, port: e9, data: 56, count: 1, size: 1

This is my config file:

name = "winxp"
uuid = "b1dfa3fe-8662-751b-79ef-0923e282be24"
maxmem = 1024
memory = 1024
shadow_memory = 8
vcpus = 1
builder = "hvm"
kernel = "/usr/lib/xen/boot/hvmloader"
boot = "c"
pae = 0
acpi = 0
apic = 0
on_poweroff = "destroy"
on_reboot = "restart"
on_crash = "restart"
device_model = "/usr/lib64/xen/bin/qemu-dm"
stdvga=1
sdl = 0
vnc = 1
vncunused = 1
serial='pty'
keymap = "en-us"
disk = [ "phy:/dev/sdb,hda,w" ]


If I take the xmexample.hvm and just change the "disk" entry to point to my
physical drive I get the same behavior.

FWIW, I have tried every combination of pae, acpi, apic on and off.

Be grateful for any help.

Jamie
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