Pasi Kärkkäinen
2010-Mar-04 15:44 UTC
[Xen-devel] Xen 4.0.0-rc5 with xen/stable 2.6.32.9 dom0 kernel, blktap2, relative mouse
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..
Also it seems pvfb uses the broken ''relative'' mouse instead of
''absolute'',
any ideas why that happens?
-- Pasi
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Pasi Kärkkäinen
2010-Mar-04 15:51 UTC
Re: [Xen-devel] Xen 4.0.0-rc5 with xen/stable 2.6.32.9 dom0 kernel, blktap2, relative mouse
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.. -- Pasi> Also it seems pvfb uses the broken ''relative'' mouse instead of ''absolute'', > any ideas why that happens? > > -- Pasi >_______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel
Jeremy Fitzhardinge
2010-Mar-04 18:22 UTC
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 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel
Jeremy Fitzhardinge
2010-Mar-04 18:24 UTC
Re: [Xen-devel] Xen 4.0.0-rc5 with xen/stable 2.6.32.9 dom0 kernel, blktap2, relative mouse
On 03/04/2010 07:44 AM, Pasi Kärkkäinen wrote:> Also it seems pvfb uses the broken ''relative'' mouse instead of ''absolute'', > any ideas why that happens? >I''ve noticed that too. I poked around a little to try and work out what was going on, but I got stuck. "xinput" is showing the pointer device is "absolute" in the domain, which looks OK - but it is still getting relative motion. Are you using vnc? J _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel
Pasi Kärkkäinen
2010-Mar-04 18:27 UTC
Re: [Xen-devel] Xen 4.0.0-rc5 with xen/stable 2.6.32.9 dom0 kernel, blktap2, relative mouse
On Thu, Mar 04, 2010 at 10:24:07AM -0800, Jeremy Fitzhardinge wrote:> On 03/04/2010 07:44 AM, Pasi Kärkkäinen wrote: >> Also it seems pvfb uses the broken ''relative'' mouse instead of ''absolute'', >> any ideas why that happens? >> > > I''ve noticed that too. I poked around a little to try and work out what > was going on, but I got stuck. "xinput" is showing the pointer device > is "absolute" in the domain, which looks OK - but it is still getting > relative motion. > > Are you using vnc? >I was using virt-manager, which uses virt-viewer I believe.. which is vnc based, so yes.. -- Pasi _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel