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Re: [libvirt] Windows VM doesn't start as Linux one does



Daniel P. Berrange a écrit :

Hi Daniel,

On Wed, Nov 11, 2009 at 06:56:37PM +0100, Daniel Huhardeaux wrote:
My start script -which started without any problem my XPHome VM- is:

#!/bin/bash

AUDIO="es1370"
VGA="std"

sudo /usr/bin/kvm -localtime -cdrom /dev/scd0 -boot c -hda /media/XP/vdisk.img -hdb /media/XP/vdisk1.img -m 512 -soundhw $AUDIO -vga $VGA\ -net nic,vlan=0 -net vde,vlan=0,sock=/var/run/vde.ctl -usb -smb public -monitor tcp:127.0.0.1:32011,server,nowait &


The XML file for the same VM which fail on boot is:

<domain type='kvm'> <name>XPHome</name> <uuid>26e5de74-0841-c4b3-4cc1-e0df0f93cb31</uuid> <memory>524288</memory> <currentMemory>524288</currentMemory> <vcpu>1</vcpu> <os> <type arch='x86_64' machine='pc'>hvm</type> <boot dev='hd'/> </os> <features> <pae/> </features>
 <clock offset='localtime'/>
 <on_poweroff>destroy</on_poweroff>
 <on_reboot>restart</on_reboot>
 <on_crash>restart</on_crash>
 <devices>
   <emulator>/usr/bin/kvm</emulator>
   <disk type='file' device='disk'>
     <source file='/media/XP/vdisk.img'/>
     <target dev='hda' bus='ide'/>
   </disk>
   <disk type='file' device='disk'>
     <source file='/media/XP/vdisk1.img'/>
     <target dev='hdb' bus='ide'/>
   </disk>
   <disk type='block' device='cdrom'>
     <source dev='/dev/cdrom'/>
     <target dev='hdc' bus='ide'/>
     <readonly/>
   </disk>
   <interface type='bridge'>
     <mac address='54:52:00:7a:ee:01'/>
     <source bridge='virbr2'/>
   </interface>
   <serial type='pty'>
     <source path='/dev/pts/6'/>
     <target port='0'/>
   </serial>
   <console type='pty' tty='/dev/pts/6'>
     <source path='/dev/pts/6'/>
     <target port='0'/>
   </console>
   <input type='tablet' bus='usb'/>
   <input type='mouse' bus='ps2'/>
   <graphics type='vnc' port='-1' autoport='yes' keymap='en-us'/>
   <sound model='es1370'/>
   <video>
     <model type='cirrus' vram='9216' heads='1'/>
   </video>
 </devices>
</domain>

Can you get the libvirt QEMU args from the log file

  /var/log/libvirt/qemu/XPHome.log

so we can compare them to the args your custom script
used. There will probably be some minor difference that's confusing windows

LC_ALL=C PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin HOME=/home/dh USER=root LOGNAME=root QEMU_AUDIO_DRV=none /usr/bin/kvm -S -M pc -m 512 -smp 1 -name XPHome -uuid 26e5de74-0841-c4b3-4cc1-e0df0f93cb31 -monitor unix:/var/lib/libvirt/qemu/XPHome.monitor,server,nowait -localtime -no-acpi -boot c -drive file=/media/XP/vdisk.img,if=ide,index=0,boot=on -drive file=/media/XP/vdisk1.img,if=ide,index=1 -drive file=/dev/cdrom,if=ide,media=cdrom,index=2 -net nic,macaddr=54:52:00:7a:ee:01,vlan=0,name=nic.0 -net tap,fd=17,vlan=0,name=tap.0 -serial pty -parallel none -usb -usbdevice tablet -vnc 127.0.0.1:0 -k en-us -vga cirrus -soundhw es1370
char device redirected to /dev/pts/6

Running this command in a terminal i get

TUNGETIFF ioctl() failed: Bad file descriptor
TUNSETOFFLOAD ioctl() failed: Bad file descriptor

and VM is *NOT* starting!

There is no tap interface but a virbr2. Anyway, it's the same for Linux VMs -I checked in logs- and they start.

Thanks for your support.

--
Daniel


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