July 2011 - xen - Fedora Mailing-Lists

by silviu d

Hello, I was wondering if there is a way to execute commands from dom0 into domU without loging into domU with ssh. thanks

9 years

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xen packages to test

by M A Young

I have a couple of temporary builds of xen release candidates available for testing; xen-4.0.2-rc4 built for F14 at http://koji.fedoraproject.org/koji/taskinfo?taskID=3085546 and xen-4.1.1-rc1 built for F15 at http://koji.fedoraproject.org/koji/taskinfo?taskID=3086043 Also if you are interested in testing packages for RHEL6 see http://koji.fedoraproject.org/koji/taskinfo?taskID=3086043 Michael Young

12 years, 7 months

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CentOS 6 install via virt-install - "No usable disks have been found."

by Bill McGonigle

Hi, all, I'm not seeing disks under CentOS 6 when trying to install. I'm using: xen-4.0.2-1.fc14.x86_64 2.6.32.39-175.xendom0.fc13.x86_64 installing using: virt-install --debug -n sully --mac=02:00:0A:01:01:10 -f /var/lib/xen/images/sully -s 12 -r 2048 --vcpus=2 --nographics -p --os-type=linux --os-variant=rhel6 --location http://librescu.bfccomputing.com/cobbler/ks_mirror/centos6-x86_64/ It sounded like: https://bugzilla.redhat.com/show_bug.cgi?id=678374 so I tried dropping the --nonsparse option, but I'm using a newer version of python-virtinstall: python-virtinst-0.500.6-1.fc14.noarch than should be required, and I'm seeing this with and with the option anyway. I do see the disk image is created, and attached to the DomU. e.g.: [2011-07-26 01:01:47 18534] DEBUG (DevController:97) DevController: writing {'domain': 'sully', 'frontend': '/local/domain/18/device/vbd/51712', 'uuid': '3380cea8-a322-292d-cc5d-8bb084306976', 'bootable': '1', 'dev': 'xvda', 'state': '1', 'params': 'aio:/var/lib/xen/images/sully', 'mode': 'w', 'online': '1', 'frontend-id': '18', 'type': 'tap'} to /local/domain/0/backend/tap/18/51712. and I can see the disk image if I dump configuration from virsh. I do see this in the DomU kernel messages: XENBUS: Device with no driver: device/vbd/51712 XENBUS: Device with no driver: device/vif/0 XENBUS: Device with no driver: device/console/0 but I see reports online that say not to worry about those, initrd will load the modules. The initrd does have: ./kernel/drivers/xen ./kernel/drivers/xen/xenfs ./kernel/drivers/net/xen-netfront.ko.gz ./kernel/drivers/block/xen-blkfront.ko.gz on it. I tried adding: xen_emul_unplug=never to the kernel parameters per a previous thread here, but that didn't seem to change anything. It seems like others are having success with CentOS 6 in general: http://grantmcwilliams.com/tech/virtualization/xen-howtos/538-centos-6-vi... so I suspect it's got something to do with Xen 4.0.2, but I'm not sure where to look right now. Any suggestions? -Bill -- Bill McGonigle, Owner BFC Computing, LLC http://bfccomputing.com/ Telephone: +1.855.SW.LIBRE Email, IM, VOIP: bill(a)bfccomputing.com VCard: http://bfccomputing.com/vcard/bill.vcf Social networks: bill_mcgonigle/bill.mcgonigle

12 years, 10 months

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Re: [Fedora-xen] EL 6 kernel missing kernel-headers

by Jerry Amundson

Sorry - first reply skipped the list... oops - four characters... /xen, /vml, /ini. jerry On Fri, Jul 29, 2011 at 3:44 PM, Jerry Amundson <jamundso(a)gmail.com> wrote: > On Fri, Jul 29, 2011 at 3:30 PM, M A Young <m.a.young(a)durham.ac.uk> wrote: >> On Fri, 29 Jul 2011, Jerry Amundson wrote: >> >>> Hi, I'm trying to install the kernel from >>> http://xenbits.xen.org/people/mayoung/testing/i386/ and see... >>> >>> [root@xen1 ~]# rpm -ivh kernel-2.6.32-71.29.1.el6.xendom0.i686.rpm >>> error: Failed dependencies: >>> kernel-firmware >= 2.6.32-71.29.1.el6.xendom0 is needed by >>> kernel-2.6.32-71.29.1.el6.xendom0.i686 >>> >>> Can kernel-firmware be uploaded as well? >> >> Use the kernel-firmware package in the x86_64 directory. It is noarch so >> will be the same for both i686 and x86_64. > > Perfect, thanks! > Looks like something chops three chars out of grub.conf kernel/modules lines: > title Enterprise Linux (2.6.32-71.29.1.el6.xendom0.i686) > root (hd0,0) > kernel .gz > module inuz-2.6.32-71.29.1.el6.xendom0.i686 ro > root=/dev/mapper/vg_xen1-lv_root rd_LVM_LV=vg_xen1/lv_root > rd_LVM_LV=vg_xen1/lv_swap rd_NO_LUKS rd_NO_MD rd_NO_DM > LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYBOARDTYPE=pc KEYTABLE=us > crashkernel=auto rhgb quiet > module tramfs-2.6.32-71.29.1.el6.xendom0.i686.img > > Love to see it trying though! :-) > > thank you! > jerry >

12 years, 10 months

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EL 6 kernel missing kernel-headers

by Jerry Amundson

Hi, I'm trying to install the kernel from http://xenbits.xen.org/people/mayoung/testing/i386/ and see... [root@xen1 ~]# rpm -ivh kernel-2.6.32-71.29.1.el6.xendom0.i686.rpm error: Failed dependencies: kernel-firmware >= 2.6.32-71.29.1.el6.xendom0 is needed by kernel-2.6.32-71.29.1.el6.xendom0.i686 Can kernel-firmware be uploaded as well? thanks, jerry

12 years, 10 months

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Split up xend

by W. Michael Petullo

Would it make sense to consider splitting xend and xm off into a separate package? This would allow the installation of Xen without requiring Python. My understanding is that xl is the way forward and it may be helpful to support smaller installations. Here are the Python programs that I found in my Xen packages: /usr/bin/pygrub /usr/bin/remus /usr/bin/xentrace_format /usr/sbin/xen-bugtool /usr/sbin/xenmon.py /usr/sbin/xsview /usr/bin/xencons /usr/sbin/xend /usr/sbin/xm -- Mike :wq

12 years, 10 months

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Bugfix for Xen hvmloader crash when compiled with gcc 4.6

by Pasi Kärkkäinen

Hello, There's a bug in Xen hvmloader, when compiled with gcc 4.6, causing HVM guests crashing on startup. Upstream xen.org fix is here: http://marc.info/?l=xen-devel&m=131117428320002 Fedora bugzilla entry: https://bugzilla.redhat.com/show_bug.cgi?id=723569 The bugfix patch should be added to both F15 and rawhide/F16 Xen rpms. Thanks, -- Pasi

12 years, 11 months

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linux 3.0 rawhide crashing after 5 minutes when running as dom0

by itamar

my rawhide kernel is crashing atfer some time. https://bugzilla.redhat.com/show_bug.cgi?id=720801 -- ------------ Itamar Reis Peixoto msn, google talk: itamar(a)ispbrasil.com.br +55 11 4063 5033 (FIXO SP) +55 34 9158 9329 (TIM) +55 34 8806 3989 (OI) +55 34 3221 8599 (FIXO MG)

12 years, 11 months

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Re: [Fedora-xen] [fedora-virt] Xen dom0 / Fedora 16 Schedule Reminders - Feature Submission and Feature Freeze

by Pasi Kärkkäinen

On Tue, Jul 12, 2011 at 01:56:16PM -0300, Itamar Reis Peixoto wrote: > On Tue, Jul 12, 2011 at 8:04 AM, Pasi Kärkkäinen <pasik(a)iki.fi> wrote: > > still missing -> > > >> > http://fedoraproject.org/wiki/Features/XenPvopsDom0 > >> > https://bugzilla.redhat.com/show_bug.cgi?id=658387 > >> > https://bugzilla.redhat.com/show_bug.cgi?id=668063 > >> > > > > > > > > > How about other related things: > > - grub/grubby/kernel integration? > > still missing > Ok. Anyone working on this? Did someone try if the patches on those bugzillas still apply ok? > > - libvirt/virt-manager support? > > seems to work > Good. Did you try with xm/xend or with xl/libxl? (libvirt has driver for both..) > > Do we need to get something fixed in those? > > Has someone tried the F16/rawhide Xen related rpms yet? > > > > Thanks, > > > > -- Pasi > > > > where I should report about dom0 problems ? > > in my machine dom0 is crashing after 5 minutes of boot. > I think xen-devel mailinglist is the correct place. Please post full serial console logs, including both the hypervisor output and dom0 linux kernel output. See: http://wiki.xen.org/xenwiki/XenParavirtOps http://wiki.xen.org/xenwiki/XenSerialConsole -- Pasi > > > -- > ------------ > > Itamar Reis Peixoto > msn, google talk: itamar(a)ispbrasil.com.br > +55 11 4063 5033 (FIXO SP) > +55 34 9158 9329 (TIM) > +55 34 8806 3989 (OI) > +55 34 3221 8599 (FIXO MG)

12 years, 11 months

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Re: [Fedora-xen] [fedora-virt] Xen dom0 / Fedora 16 Schedule Reminders - Feature Submission and Feature Freeze

by Pasi Kärkkäinen

On Tue, Jul 12, 2011 at 07:53:11PM +0200, Alexander Boström wrote: > tis 2011-07-12 klockan 12:08 +0300 skrev Pasi Kärkkäinen: > > > Feature submission deadline for F16 is today.. > > It's on http://fedoraproject.org/wiki/Category:FeatureAcceptedF16 so it > doesn't need to be submitted, right? > Hmm, so it seems. Thanks for pointing that out! -- Pasi

12 years, 11 months

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xen July 2011