Re: [Xen-users] Xen 3.1.4: HVM Configuration

[Sadique Puthen <sputhenp@xxxxxxxxxx>]

Omer Khalid wrote:
> Hi Todd,
>
> I tried both xvc0 and hvc0 but it didn't work! I kept on getting the
> same message "xenconsole: Could not read tty from store: No such file
> or directory".
>
> But when I put <serial='pty'> in the vm config file; then the console
> seems to start but hangs...And the only way out is Cntrl-]. 
>
> By looking at the xen mail archives, it seems that HVM based VM suffer
> from this problem. Unfortunately, I don't have the VNC for this
> machine other wise i could have accessed the console through it.
>
> Additionally, I also tried the following combinations in the vm config
> file:
>
> <console="/dev/console">, <console="/dev/tty1">, <console="/dev/ttyS0">

Try serial='pty' in the hvm config file and append "console=ttyS0" to
the kernel line of the hvm guest, not in the vm config file.

--Sadique

>
> I also tried the above combinations with the modifications to
> /etc/inittab file for getty:
>
> co:2345:respawn:/sbin/agetty <ttyS0><console> 9600
>
> But no luck :((((
>
> Any ideas?
>
> Cheers
> Omer
>
> On Thu, Aug 21, 2008 at 8:06 PM, Todd Deshane <deshantm@xxxxxxxxx
> <mailto:deshantm@xxxxxxxxx>> wrote:
>
>     On Thu, Aug 21, 2008 at 12:12 PM, Omer Khalid
>     <Omer.Khalid@xxxxxxx> wrote:
>     > Hi,
>     > I manage to configure my xen 3.1.4 HVM installation and launch
>     the VM but
>     > "xm console <id>" seem not to work! I have a HVM Linux guest
>     running. The
>     > error I get is following:
>     > xenconsole: Could not read tty from store: No such file or directory
>     > Is some thing missing in my configuration?
>
>     How is your Linux guest setup?
>
>     You will need the appropriate console specified on the kernel
>     command line...
>
>     hvc or xvc, I forget which is which at the moment, but you should
>     be able to
>     search the mailing list archives for that (try xen.markmail.org
>     <http://xen.markmail.org>)
>     (One is for the older xen linux kernels and one is for the
>     mainline xen linux
>     kernels)
>
>     You will also want to make sure that the linux guest has the xen
>     console support
>     in it.
>
>     Hope that helps,
>     Todd
>
>     --
>     Todd Deshane
>     http://todddeshane.net
>     check out our book: http://runningxen.com
>
>
>
>
> -- 
> Omer
>
> -------------------------------------------------------
> CERN -- European Organization for Nuclear
> Research, IT Department, CH-1211,
> Geneva 23, Switzerland
>
> Phone: +41 (0) 22 767 2224
> Fax: +41 (0) 22 766 8683
> E-mail : Omer.Khalid@xxxxxxx
> Homepage: http://cern.ch/Omer.Khalid
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>
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