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Re: [Xen-devel] Xen 4.0.0-rc5 with xen/stable 2.6.32.9 dom0 kernel, blktap2, relative mouse
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
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