Re: [Xen-devel] xenconsole: Could not read tty from store: No such file or directory

[Natasha Jarymowycz <natasha@xxxxxxxxxx>]

Mahmoud,

Often times this message occurs with hvm domains because qemu-dm
does not start properly.  The file /var/log/qemu-dm.*.log is created 
when you try to start an hvm domain.  It should provide at least 
a hint to what the problem is.

Also, a lot of qemu changes have been checked in recently.  You may 
want to update to a more recent changeset.

Natasha


On Wed, Jul 26, 2006 at 02:20:36PM -0700, Mahmoud Elhaddad wrote:
> Hi,
> 
> I built xen  3.0-unstable with VT-x support on  SLES 10.1. The machine
> boots ok and I start  xend manually. I encounter  the following
> problem is with guest creation:
> $xm create -c /etc/xen/vm/SLES9x32_16G
> 
> Using config file "/etc/xen/vm/SLES9x32_16G".
> Started domain SLES9x32_16G
> xenconsole: Could not read tty from store: No such file or directory
> 
> The guest is created but remains blocked.
> 
> Using xm console <ID> does not resolve the problem.
> I saw previous postings describing the same error. In one instance the was
> due
> to absence  of root filesystem for guest,  which appears to be  not the case
> here  (details below). In  another  instance the  consoled was not running.
> I checked consoled using ps -ef and found it running with '?' in the tty
> field.
> 
> Below is infomation about  the changeset, guest configuration, and xen
> grub configuration. Please  let me know if more  information is needed to
> determine the problem. It's most likely I'm missing something in the setup.
> 
> Thanks,
>  --Mahmoud
> 
> -----------------------------------------------
> 
> Latest ChangeSet: Thu Jul 13 15:33:08 2006 +0100 10680:f692a0a476c5
> 
> ----------------------------------------------
> 
> /etc/xen/vm/SLES9x32_16G:
> 
> disk = [ 'file:/sdd/sles9x32_16G,ioemu:hda,w' ]
> memory = 1024
> vcpus = 1
> builder = 'hvm'
> device_model = '/usr/lib64/xen/bin/qemu-dm'
> kernel = '/usr/lib/xen/boot/hvmloader'
> name = 'SLES9x32_16G'
> vif = [ 'type=ioemu,bridge=xenbr0' ]
> stdvga = 1
> sdl = 1
> vnc = 0
> vncviewer = 1
> ne2000 = 0
> localtime = 0
> on_poweroff = 'destroy'
> on_reboot = 'restart'
> on_crash = 'restart'
> boot = 'c'
> cdrom = '/mnt/sles9rc5x32_dvd.iso'
> ----------------------------------------
> 
> Xen's entry  in /boot/grub/menu.lst:
> 
> title  Xen --  SUSE Linux  Enterprise Server  10
> root (hd0,1)
> kernel  /boot/xen.gz dom0_mem=2000m
> module /boot/vmlinuz-2.6-xen  root=/dev/sda2   vga=0x314  resume=/dev/sda1
> splash=silent showopts module /boot/initrd-2.6-xen

> _______________________________________________
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> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel


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