WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-users

Re: [Xen-devel] Re: [Xen-users] Re: Xen 4.0 on gentoo hotplug scripts pr

To: Andrew Lyon <andrew.lyon@xxxxxxxxx>
Subject: Re: [Xen-devel] Re: [Xen-users] Re: Xen 4.0 on gentoo hotplug scripts problem? broken with filenames with spaces
From: Pasi Kärkkäinen <pasik@xxxxxx>
Date: Sat, 19 Jun 2010 16:21:21 +0300
Cc: Boris Derzhavets <bderzhavets@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, xen-users List <xen-users@xxxxxxxxxxxxxxxxxxx>
Delivery-date: Sat, 19 Jun 2010 06:22:13 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <20100409103330.GE1878@xxxxxxxxxxx>
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
References: <s2gf4527be1004081350m38090bd0y872c582a071d952@xxxxxxxxxxxxxx> <707452.66702.qm@xxxxxxxxxxxxxxxxxxxxxxxxxxx> <20100408212041.GQ1878@xxxxxxxxxxx> <r2uf4527be1004090045ja596cebeqe6db90d95462601c@xxxxxxxxxxxxxx> <20100409081022.GZ1878@xxxxxxxxxxx> <u2tf4527be1004090115u51cad803t541906d4c859014c@xxxxxxxxxxxxxx> <g2zf4527be1004090121i464d2a9cnda9fcfee2410922a@xxxxxxxxxxxxxx> <q2uf4527be1004090328ua4851c2era3db1eef3f069258@xxxxxxxxxxxxxx> <20100409103330.GE1878@xxxxxxxxxxx>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
User-agent: Mutt/1.5.18 (2008-05-17)
On Fri, Apr 09, 2010 at 01:33:30PM +0300, Pasi Kärkkäinen wrote:
> On Fri, Apr 09, 2010 at 11:28:51AM +0100, Andrew Lyon wrote:
> > On Fri, Apr 9, 2010 at 9:21 AM, Andrew Lyon <andrew.lyon@xxxxxxxxx> wrote:
> > > On Fri, Apr 9, 2010 at 9:15 AM, Andrew Lyon <andrew.lyon@xxxxxxxxx> wrote:
> > >> 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
> > >>>
> > >>>
> > >>
> > >
> > > I think you are onto something, after completely removing Xen I cannot
> > > compile 4.0:
> > >
> > > Wl,-O1          -L../../tools/libxc -lxenctrl    -L../../tools/libxc
> > > -lxenctrl          -o libvhd.so.1.0.0 -luuid libvhd.o libvhd-journal.o
> > > vhd-util-coalesce.o vhd-util-create.o vhd-util-fill.o
> > > vhd-util-modify.o vhd-util-query.o vhd-util-read.o vhd-util-repair.o
> > > vhd-util-resize.o vhd-util-revert.o vhd-util-set-field.o
> > > vhd-util-snapshot.o vhd-util-scan.o vhd-util-check.o relative-path.o
> > > atomicio.o ../../lvm/lvm-util.o
> > > /usr/lib/gcc/x86_64-pc-linux-gnu/4.3.4/../../../../x86_64-pc-linux-gnu/bin/ld:
> > > cannot find -lxenctrl
> > > collect2: ld returned 1 exit status
> > > make[6]: *** [libvhd.a] Error 1
> > > make[6]: Leaving directory
> > > `/var/tmp/portage/app-emulation/xen-tools-4.0.0/work/xen-4.0.0/tools/blktap2/vhd/lib'
> > > make[5]: *** [subdir-all-lib] Error 2
> > >
> > > Which makes me think that some part of 4.0 was compiled against 3.4.2...
> > >
> > > Andy
> > >
> > 
> > I've found at least one problem with 4.0, if the path to the disk
> > backing file contains any spaces then the hotplug scripts stall and
> > domain creation fails, I had made a symlink without spaces but
> > apparently the scripts attempt to resolve symlinks so I had to
> > physically rename the dir so that no spaces are used.
> > 
> > I struggled to find any errors relating to domain creation, but the
> > hotplug cleanup scripts do log some errors:
> > 
> > /etc/xen/scripts/xen-hotplug-cleanup: line 25: [: !=: unary operator 
> > expected
> > stat: cannot stat `/mnt/tb1_store/Xen': No such file or directory
> > stat: cannot stat `VMs/WinXP/WinXP.hda': No such file or directory
> > xenstore-read: couldn't read path backend/vbd/7/768/node
> > 
> > The path was "/mnt/tb1_store/Xen VMs/WinXP/WinXP.hda" and worked fine with 
> > 3.4.2
> > 
> 
> Thanks for looking into that.
> I added xen-devel to CC.. maybe this rings some bells for someone.
> 

Hello,

This has been fixed by:
http://xenbits.xen.org/xen-4.0-testing.hg?rev/72b9c78aef6b

So upcoming Xen 4.0.1 should work OK with spaces in vbd filanames.

-- Pasi


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel

<Prev in Thread] Current Thread [Next in Thread>
  • Re: [Xen-devel] Re: [Xen-users] Re: Xen 4.0 on gentoo hotplug scripts problem? broken with filenames with spaces, Pasi Kärkkäinen <=