Re: Stub domains broken in 3.4.0-rc3?

[Stefano Stabellini <stefano.stabellini@eu.citrix.com>]

The problem seems to be the "phy" disk that does not work correctly, but
I don't think it is caused by a bug in the new stubdomain config file
generator.
In fact I can reproduce the bug even using the old stubdom-dm script.

Keith Coleman wrote:

> 
> My current config file is just a slightly modified version of the
> xmexample.hvm. It works for regular HVM mode if I switch the
> stubdom-dm for qemu-dm. I have fs-backend running in the background.
> 
> # cat stub1-clean
> import os, re
> arch = os.uname()[4]
> if re.search('64', arch):
>     arch_libdir = 'lib64'
> else:
>     arch_libdir = 'lib'
> kernel = "/usr/lib/xen/boot/hvmloader"
> builder='hvm'
> memory = 512
> name = "stub1"
> vif = [ 'type=ioemu, bridge=eth0' ]
> disk = [ 'phy:/dev/testvg/stub1,hda,w',
>          'file:/root/isos/win2003entR2.iso,hdc:cdrom,r' ]
> device_model = '/usr/' + arch_libdir + '/xen/bin/stubdom-dm'
> #device_model = '/usr/' + arch_libdir + '/xen/bin/qemu-dm'
> boot="dca"
> sdl=0
> opengl=1
> vnc=1
> vnclisten="0.0.0.0"
> vncpasswd=''
> stdvga=0
> serial='pty'
> usb=1
> usbdevice='tablet'
> 
> 
> # cat /var/log/xen/qemu-dm-stub1.log
> Error: Device 768 (vbd) could not be connected.
> Device /dev/mapper/testvg-stub1 is mounted in a guest domain,
> and so cannot be mounted now.
> Using config file "/etc/xen/stubdoms/stub1-dm".
> Using config file "/etc/xen/stubdoms/stub1-dm".
> 
> # cat /var/log/xen/qemu-dm-stub1-dm.log
> domid: 71
> Warning: vlan 0 is not connected to host network
> Strip off blktap sub-type prefix to /root/isos/win2003entR2.iso (drv 'aio')
> Watching /local/domain/0/device-model/71/logdirty/next-active
> Watching /local/domain/0/device-model/71/command
> char device redirected to /dev/pts/3
> /root/xen-3.4-rc3/xen-unstable.hg/tools/ioemu-dir/hw/xen_blktap.c:628:
> Init blktap pipes
> xs_read(): vncpasswd get error.
> /vm/e0dd1e52-a827-8c47-7e3d-cc26941e4419/vncpasswd.
> medium change watch on `hdc' (index: 1): aio:/root/isos/win2003entR2.iso
> 
> 
> 
> -Keith
>