From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pasi =?iso-8859-1?Q?K=E4rkk=E4inen?= Subject: Re: [Xen-users] Re: Xen 4.0 on gentoo hotplug scripts problem? broken with filenames with spaces Date: Fri, 9 Apr 2010 13:33:30 +0300 Message-ID: <20100409103330.GE1878@reaktio.net> References: <707452.66702.qm@web56101.mail.re3.yahoo.com> <20100408212041.GQ1878@reaktio.net> <20100409081022.GZ1878@reaktio.net> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Return-path: Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Andrew Lyon Cc: Boris Derzhavets , xen-devel@lists.xensource.com, xen-users List List-Id: xen-devel@lists.xenproject.org On Fri, Apr 09, 2010 at 11:28:51AM +0100, Andrew Lyon wrote: > On Fri, Apr 9, 2010 at 9:21 AM, Andrew Lyon wro= te: > > On Fri, Apr 9, 2010 at 9:15 AM, Andrew Lyon w= rote: > >> On Fri, Apr 9, 2010 at 9:10 AM, Pasi K=E4rkk=E4inen w= rote: > >>> On Fri, Apr 09, 2010 at 08:45:44AM +0100, Andrew Lyon wrote: > >>>> On Thu, Apr 8, 2010 at 10:20 PM, Pasi K=E4rkk=E4inen wrote: > >>>> > On Thu, Apr 08, 2010 at 02:14:17PM -0700, Boris Derzhavets wrote= : > >>>> >> =A0 =A0I believe profile should look like > >>>> >> > >>>> >> =A0 =A0memory=3D512 > >>>> >> =A0 =A0name=3D'Gentoo-32-test' > >>>> >> =A0 =A0vif=3D['bridge=3Deth(x)'] > >>>> >> =A0 =A0bootloader=3D'/usr/bin/pygrub' > >>>> >> =A0 =A0disk=3D['file:/mnt/tb1_store/Xen > >>>> >> =A0 =A0VMs/Gentoo-32/Gentoo-32.sda1,xvda,w','phy:/dev/test/test= ,xvdb ,w'] > >>>> >> =A0 =A0extra=3D'gentoo=3Dnodevfs console=3Dxvc0' > >>>> >> > >>>> >> =A0 =A0It's PV domU , so xvda,xvda,..... > >>>> >> > >>>> >> =A0 =A0Blktap driver is not important, no "tap:aio" > >>>> >> > >>>> > > >>>> > Also I think Xen 4.0.0 needs to have "disk =3D [ "tap:tapdisk:ai= o:/path/images/disk.img,xvda,w" ]" to use blktap2. > >>>> > >>>> I tried that syntax but it does not work: > >>>> > >>>> name=3D'Gentoo-32-test' > >>>> vif=3D['bridge=3Deth0'] > >>>> bootloader=3D'/usr/bin/pygrub' > >>>> disk=3D[ "tap:tapdisk:aio:/mnt/tb1_store/Xen VMs/Gentoo-32/Gentoo-= 32.sda1,xvda,w"] > >>>> extra=3D'gentoo=3Dnodevfs console=3Dxvc0' > >>>> > >>>> Using config file "./Gentoo-32-test.cfg". > >>>> Error: [Errno 2] No such file or directory: 'aio:/mnt/tb1_store/Xe= n > >>>> VMs/Gentoo-32/Gentoo-32.sda1' > >>>> > >>> > >>> Hmm.. that's weird. The blktap2 syntax is correct based on the late= st 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 =A0 =A0 14152 =A00.0 =A00.0 =A017596 =A01572 ? =A0 =A0 =A0 =A0= S< =A0 08:43 =A0 0:00 > >>>> /bin/bash /etc/xen/scripts/block add > >>>> > >>>> eventually it errors =A0Error: 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 compl= etely/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 canno= t > > compile 4.0: > > > > Wl,-O1 =A0 =A0 =A0 =A0 =A0-L../../tools/libxc -lxenctrl =A0 =A0-L../.= ./tools/libxc > > -lxenctrl =A0 =A0 =A0 =A0 =A0-o libvhd.so.1.0.0 -luuid libvhd.o libvh= d-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-gn= u/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 > > >=20 > 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. >=20 > I struggled to find any errors relating to domain creation, but the > hotplug cleanup scripts do log some errors: >=20 > /etc/xen/scripts/xen-hotplug-cleanup: line 25: [: !=3D: 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 >=20 > The path was "/mnt/tb1_store/Xen VMs/WinXP/WinXP.hda" and worked fine w= ith 3.4.2 >=20 Thanks for looking into that. I added xen-devel to CC.. maybe this rings some bells for someone. -- Pasi