Re: [Xen-users] Re: Xen 4.0 on gentoo hotplug scripts problem?

[Andrew Lyon <andrew.lyon@xxxxxxxxx>]

On Fri, Apr 9, 2010 at 9:10 AM, Pasi Kärkkäinen <pasik@xxxxxx> wrote:
> On Fri, Apr 09, 2010 at 08:45:44AM +0100, Andrew Lyon wrote:
>> On Thu, Apr 8, 2010 at 10:20 PM, Pasi Kärkkäinen <pasik@xxxxxx> wrote:
>> > On Thu, Apr 08, 2010 at 02:14:17PM -0700, Boris Derzhavets wrote:
>> >>    I believe profile should look like
>> >>
>> >>    memory=512
>> >>    name='Gentoo-32-test'
>> >>    vif=['bridge=eth(x)']
>> >>    bootloader='/usr/bin/pygrub'
>> >>    disk=['file:/mnt/tb1_store/Xen
>> >>    VMs/Gentoo-32/Gentoo-32.sda1,xvda,w','phy:/dev/test/test,xvdb ,w']
>> >>    extra='gentoo=nodevfs console=xvc0'
>> >>
>> >>    It's PV domU , so xvda,xvda,.....
>> >>
>> >>    Blktap driver is not important, no "tap:aio"
>> >>
>> >
>> > Also I think Xen 4.0.0 needs to have "disk = [ 
>> > "tap:tapdisk:aio:/path/images/disk.img,xvda,w" ]" to use blktap2.
>>
>> I tried that syntax but it does not work:
>>
>> name='Gentoo-32-test'
>> vif=['bridge=eth0']
>> bootloader='/usr/bin/pygrub'
>> disk=[ "tap:tapdisk:aio:/mnt/tb1_store/Xen 
>> VMs/Gentoo-32/Gentoo-32.sda1,xvda,w"]
>> extra='gentoo=nodevfs console=xvc0'
>>
>> Using config file "./Gentoo-32-test.cfg".
>> Error: [Errno 2] No such file or directory: 'aio:/mnt/tb1_store/Xen
>> VMs/Gentoo-32/Gentoo-32.sda1'
>>
>
> Hmm.. that's weird. The blktap2 syntax is correct based on the latest blktap2 
> README here:
> http://lxr.xensource.com/lxr/source/tools/blktap2/README
>
>> I changed the config back to file:/ and tried again, the xm create
>> process seemed to hang and the block script was stuck:
>>
>
> Ok, so you have some general problem, not really blktap2 related..
>
>>
>> root     14152  0.0  0.0  17596  1572 ?        S<   08:43   0:00
>> /bin/bash /etc/xen/scripts/block add
>>
>> eventually it errors  Error: Device 51712 (vbd) could not be
>> connected. /etc/xen/scripts/block failed; error detected.
>>
>> And the remove script is also stuck:
>>
>> /bin/bash /etc/xen/scripts/block remove
>>
>
> Did you install Xen 4.0.0 over some old version?
>
> Did you remove the old version first? Maybe your 4.0.0 is not 
> completely/properly installed..

I will try removing Xen first, including all of /etc/xen/

Andy

>
> Pasi
>
>

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