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Re: [Xen-users] booting domU with current xen-unstable?

To: Tom Brown <tbrown@xxxxxxxxxxxxx>
Subject: Re: [Xen-users] booting domU with current xen-unstable?
From: Kip Macy <kip.macy@xxxxxxxxx>
Date: Fri, 30 Sep 2005 23:18:26 -0700
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Reply-to: Kip Macy <kip.macy@xxxxxxxxx>
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A lot of people have been having problems lately, however, I'm happily running a 4-way guest on a build from last Sunday.  If you're using loopback you need an absolute path to the file, and you need to have udev or at least hotplug scripts installed in order for the backend to be brought up.


      -Kip

On 9/30/05, Tom Brown <tbrown@xxxxxxxxxxxxx> wrote:
On Fri, 30 Sep 2005, Jeffrey Buell wrote:

> I haven't been able to boot a domU using the current xen-unstable on x86 for
> over 2 weeks.  I'm building xen and the kernels from source using the default
> configs.  My last try was changeset 7145.  dom0 boots but when I try to boot
> domU I don't see any error messages but can't connect to the console.  xentop
> says that domU is up and using 100% CPU.  Is this just part of the
> development cycle or is anybody else able to use the current xen-unstable?

I tried a couple of days ago but couldn't get a domU to run, there was a
pause during the boot while trying to initialize the xen block device
driver, which timed out, and then of course it couldn't open it's root
device. There is already a buzilla call open about that.

   http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=176

key points to me were:

   xen_blk: Initialising virtual block device driver
   xen_blk: Timeout connecting to device!
<snip>
   VFS: Cannot open root device "hda1" or unknown-block(2,0)
   Please append a correct "root=" boot option

that bug was closed 2005-08-25, but re-opened 10 days ago. Seems
to be tagged as 'critical'. 2.0-testing runs fine on my box,
which is just a pretty standard dual xeon supermicro machine...
6013pt :-)  (4 gig of memory though, that might be a tich
unusual.)

I _really_ _really_ want to be able to run SMP guests, so I've
been holding of on staging this box. If the developers want
access, that can be arranged.

-Tom



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