[Xen-devel] hypervisor - acpi - reboot

[Claus Rosenberger <Claus.Rosenberger@xxxxxxxxx>]

Hello,

i have several trouble with a MSI X58 Platform with i7 Quadcore and the 
Xen-4.0.0/Xen-4.0.1-rc4
hypervisor. I'm not able to reboot the machine, it freezes on shutdown, i tried 
several boot
configurations as listed here.


Reboot doesn't work
-------------------
title           Xen 4.0-amd64 / Debian GNU/Linux, kernel 2.6.32-bpo.5-xen-amd64
root            (hd0,1)
kernel          /xen-4.0-amd64.gz dom0_mem=256M
module          /vmlinuz-2.6.32-bpo.5-xen-amd64 root=/dev/md0 ro console=tty0
module          /initrd.img-2.6.32-bpo.5-xen-amd64


Reboot works
------------
title           Xen 4.0-amd64 / Debian GNU/Linux, kernel 2.6.32-bpo.5-xen-amd64
root            (hd0,1)
kernel          /xen-4.0-amd64.gz dom0_mem=256M acpi=ht noapic noirqbalance
module          /vmlinuz-2.6.32-bpo.5-xen-amd64 root=/dev/md0 ro console=tty0
module          /initrd.img-2.6.32-bpo.5-xen-amd64

title           Debian GNU/Linux, kernel 2.6.32-bpo.5-xen-amd64
root            (hd0,1)
kernel          /vmlinuz-2.6.32-bpo.5-xen-amd64 root=/dev/md0 ro console=tty0
module          /initrd.img-2.6.32-bpo.5-xen-amd64


Rebooting the baremetal dom0 kernel works as expected without any options. I 
tried one entry more.

title           Xen 4.0-amd64 / Debian GNU/Linux, kernel 2.6.32-bpo.5-xen-amd64
root            (hd0,1)
kernel          /xen-4.0-amd64.gz dom0_mem=256M
module          /vmlinuz-2.6.32-bpo.5-xen-amd64 root=/dev/md0 ro console=tty0 
acpi=off
module          /initrd.img-2.6.32-bpo.5-xen-amd64

With this configuration reboot works but the network card has packet loss and 
outages within several
minutes from time to time.

At lease only one configuration works but without acpi, so the question is why. 
I'm sorry because i
cannot send some logs, but the internet provider where the server is located is 
not able to connect
a serial device to save console logs.

Best regards

Claus

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