From: Jeremy Fitzhardinge <jeremy@goop.org>
To: "Pasi Kärkkäinen" <pasik@iki.fi>
Cc: xen-devel@lists.xensource.com
Subject: Re: Xen 4.0.0-rc5 with xen/stable 2.6.32.9 dom0 kernel, blktap2, relative mouse
Date: Thu, 04 Mar 2010 10:22:20 -0800 [thread overview]
Message-ID: <4B8FFA5C.2090201@goop.org> (raw)
In-Reply-To: <20100304155154.GB2761@reaktio.net>
On 03/04/2010 07:51 AM, Pasi Kärkkäinen wrote:
> On Thu, Mar 04, 2010 at 05:44:21PM +0200, Pasi Kärkkäinen wrote:
>
>> Hello,
>>
>> I just tried running Xen 4.0.0-rc5 (64bit) with latest xen/stable 2.6.32.9 dom0 kernel (64bit aswell).
>> System boots up fine, and I'm able to run PV guests using phy: disk backend (lvm volumes).
>>
>> I tried using tap:aio: file-based storage with virt-manager for a PV guest.
>> It seems it doesn't really work, the guest waits for a long time
>> initializing disk drivers/devices, and then complains about not having any disks.
>>
>> $ xm list -l testfoo
>> ..
>> (device
>> (tap
>> (protocol x86_64-abi)
>> (uuid f7723325-9ff4-96f7-0808-9ec05a00a4b8)
>> (bootable 1)
>> (dev xvda:disk)
>> (uname tap:aio:/var/lib/libvirt/images/testfoo.img)
>> (mode w)
>> (backend 0)
>> (VDI )
>> )
>> )
>>
>> Am I supposed to have that 'uname' there? This could be a problem with virt-manager or libvirt,
>> so I'll try with plain normal /etc/xen/ cfgfiles next..
>>
>>
> Hmm, it seems phy: based guest has that 'uname' aswell:
>
> (device
> (vbd
> (protocol x86_64-abi)
> (uuid b7c115d7-138a-5cd0-a179-3038ba49d349)
> (bootable 1)
> (devid 51712)
> (driver paravirtualised)
> (dev xvda:disk)
> (uname phy:/dev/vg_f12test/f12test)
> (mode w)
> (backend 0)
> )
> )
>
> So I guess that's all fine.
>
> What's the best way to troubleshoot the blktap2 problem?
>
> I have 'blktap' module loaded in dom0, and xen 4.0.0-rc5
> should have the required blktap2 tools..
>
I haven't had any problems with blktap2 at all lately, using the xend/xm
toolstack. Are there any messages in the various logfiles and/or kernel
which might indicate a problem?
J
next prev parent reply other threads:[~2010-03-04 18:22 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-04 15:44 Xen 4.0.0-rc5 with xen/stable 2.6.32.9 dom0 kernel, blktap2, relative mouse Pasi Kärkkäinen
2010-03-04 15:51 ` Pasi Kärkkäinen
2010-03-04 18:22 ` Jeremy Fitzhardinge [this message]
2010-03-04 18:24 ` Jeremy Fitzhardinge
2010-03-04 18:27 ` Pasi Kärkkäinen
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