[Bug 1047531] Re: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU-KVM host
@mario - does upgrading to the backports kernel fix this for you? -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu-kvm in Ubuntu. https://bugs.launchpad.net/bugs/1047531 Title: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU- KVM host To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1047531/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1047531] Re: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU-KVM host
I am experiencing this randomly with a host on ubuntu 12.04 and upgrading guests from 12.04 to 14.04... randomly machines never boot after the upgrade... others do.. -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu-kvm in Ubuntu. https://bugs.launchpad.net/bugs/1047531 Title: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU- KVM host To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1047531/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1047531] Re: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU-KVM host
(lowered priority since there is a workaround - using the backports kernel. I don't believe this is a bug in qemu-kvm, since newer kernel fixes it, but I'm not yet marking it invalid for qemu-kvm since it's possible qemu-kvm coudl work around it somehow if it did the right thing) ** Changed in: qemu-kvm (Ubuntu) Importance: High => Medium -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu-kvm in Ubuntu. https://bugs.launchpad.net/bugs/1047531 Title: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU- KVM host To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1047531/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1047531] Re: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU-KVM host
** Tags added: regression-release -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu-kvm in Ubuntu. https://bugs.launchpad.net/bugs/1047531 Title: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU- KVM host To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1047531/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1047531] Re: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU-KVM host
Also, when booting the Precise VM on Lucid host with oneiric kernel I see the following message in dmesg: kvm: : cpu0 unhandled rdmsr: 0xc0010001 There are no similar messages for other 10 Lucid VMs, running on the same host. -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu-kvm in Ubuntu. https://bugs.launchpad.net/bugs/1047531 Title: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU- KVM host To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1047531/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1047531] Re: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU-KVM host
Just in case, I'd like to confirm that upgrading the kernel to linux- image-server-lts-backport-oneiric does solve this problem for me too. -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu-kvm in Ubuntu. https://bugs.launchpad.net/bugs/1047531 Title: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU- KVM host To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1047531/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1047531] Re: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU-KVM host
Thanks for confirming the bug ! As for me, the workaround was to run the VM on another machine with Intel processor, so that I can start upgrading the main server to Precise (which, as far as I can tell, does not have this problem). -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu-kvm in Ubuntu. https://bugs.launchpad.net/bugs/1047531 Title: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU- KVM host To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1047531/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1047531] Re: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU-KVM host
Since the backports kernel, which is officially supported, works, I suspect the kernel team may set this bug to low priority. ** Changed in: linux (Ubuntu) Importance: Undecided => Medium ** Changed in: linux (Ubuntu) Status: New => Confirmed -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu-kvm in Ubuntu. https://bugs.launchpad.net/bugs/1047531 Title: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU- KVM host To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1047531/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1047531] Re: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU-KVM host
When I installed the oneiric backports kernel, the VM booted just fine. So a workaround here is: sudo apt-get install linux-image-server-lts-backport-oneiric ** Also affects: linux (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu-kvm in Ubuntu. https://bugs.launchpad.net/bugs/1047531 Title: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU- KVM host To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1047531/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1047531] Re: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU-KVM host
To my surprise, this is happening even with the very latest qemu-kvm upstream git HEAD. Host is an amd laptop with kernel: Linux ubuntu 2.6.32-43-generic-pae #97-Ubuntu SMP Wed Sep 5 16:59:17 UTC 2012 i686 GNU/Linux Guest kernel is vmlinuz-3.2.0-29-virtual -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu-kvm in Ubuntu. https://bugs.launchpad.net/bugs/1047531 Title: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU- KVM host To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/1047531/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1047531] Re: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU-KVM host
Peeking through gdb, it seems the kernel is hung inside setup_arch: #0 0xc0135e81 in ?? () #1 0xc097a0a3 in ?? () #2 0xc09744ed in ?? () #3 0xc09740ba in ?? () #4 0x in ?? () where System.map (in the precise image) shows c097a024 T reserve_standard_io_resources c097a048 T setup_arch c097a756 T i386_reserve_resources and c0135e50 t native_flush_tlb c0135e60 t native_flush_tlb_global c0135e90 t native_flush_tlb_single -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu-kvm in Ubuntu. https://bugs.launchpad.net/bugs/1047531 Title: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU- KVM host To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/1047531/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1047531] Re: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU-KVM host
Actually I believe I've reproduced this on an amd laptop. It does look to be an amd-only bug. I've not reproduced it on intel. ** Changed in: qemu-kvm (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu-kvm in Ubuntu. https://bugs.launchpad.net/bugs/1047531 Title: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU- KVM host To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/1047531/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1047531] Re: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU-KVM host
With 4 simultaneous instances I still could nto reproduce this. Again, I removed 'console=ttyS0' from /boot/grub/grub.cfg (with the qcow file mounted over qemu-nbd), and had to wait for cloud-init to time out on its attempts to contact a provider. -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu-kvm in Ubuntu. https://bugs.launchpad.net/bugs/1047531 Title: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU- KVM host To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/1047531/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1047531] Re: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU-KVM host
and 6 works too (hitting my memory limit) Can you install the qemu-kvm-dbgsym package (see https://wiki.ubuntu.com/DebuggingProgramCrash) and, when the guest is frozen, get a stack trace to see where qemu is? ** Changed in: qemu-kvm (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu-kvm in Ubuntu. https://bugs.launchpad.net/bugs/1047531 Title: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU- KVM host To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/1047531/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1047531] Re: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU-KVM host
Yes, in my case both host and guest are 32-bit. PAE is enabled by default in stock 32-bit server Lucid kernel. All my computers are running in 32-bit mode and, unfortunately, I can't easily reinstall OS on them. -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu-kvm in Ubuntu. https://bugs.launchpad.net/bugs/1047531 Title: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU- KVM host To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/1047531/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
Re: [Bug 1047531] Re: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU-KVM host
Quoting Konstantin L. Metlov (met...@fti.dn.ua): > May be it is the number of VMs then... Can you run 11 of them ? I couldn't do 11 - not enough memory. I could do a bunch. However I just noticed that you're running amd in 32-bit mode with PAE. I was running 64-bit lucid! I'll re-install and try again, unless you confirm that you are able to reproduce this with 64-bit lucid as well. -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu-kvm in Ubuntu. https://bugs.launchpad.net/bugs/1047531 Title: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU- KVM host To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/1047531/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1047531] Re: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU-KVM host
May be it is the number of VMs then... Can you run 11 of them ? -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu-kvm in Ubuntu. https://bugs.launchpad.net/bugs/1047531 Title: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU- KVM host To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/1047531/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1047531] Re: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU-KVM host
Failed to reproduce on amd as well. -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu-kvm in Ubuntu. https://bugs.launchpad.net/bugs/1047531 Title: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU- KVM host To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/1047531/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1047531] Re: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU-KVM host
I couldn't reproduce this with lucid on intel. Trying amd. -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu-kvm in Ubuntu. https://bugs.launchpad.net/bugs/1047531 Title: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU- KVM host To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/1047531/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
Re: [Bug 1047531] Re: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU-KVM host
Quoting Konstantin L. Metlov (met...@fti.dn.ua): > Just to revive the topic... > > I have tried booting Precise cloudimg on one of my Lucid workstations > with vanilla Lucid and KVM but 2.6.38-15-generic-pae (backported Natty) > kernel. After removing 'console=ttyS0' the image boots properly. The > other difference is that the workstation I used has Intel CPU and no > other VMs running. > > I still had no progress with booting Precise cloudimg on vanilla Lucid > server kernel on AMD. Could you test the vanilla lucid kernel on intel? -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu-kvm in Ubuntu. https://bugs.launchpad.net/bugs/1047531 Title: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU- KVM host To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/1047531/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1047531] Re: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU-KVM host
Just to revive the topic... I have tried booting Precise cloudimg on one of my Lucid workstations with vanilla Lucid and KVM but 2.6.38-15-generic-pae (backported Natty) kernel. After removing 'console=ttyS0' the image boots properly. The other difference is that the workstation I used has Intel CPU and no other VMs running. I still had no progress with booting Precise cloudimg on vanilla Lucid server kernel on AMD. -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu-kvm in Ubuntu. https://bugs.launchpad.net/bugs/1047531 Title: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU- KVM host To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/1047531/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1047531] Re: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU-KVM host
Ah, sorry, that's another bug, but I suspect a duplicate of this. I'll wait until I manage (or fail) to reproduce to ask for more - sorry. -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu-kvm in Ubuntu. https://bugs.launchpad.net/bugs/1047531 Title: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU- KVM host To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/1047531/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1047531] Re: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU-KVM host
4 ? Why ? There is only one "ubuntu-12.04-server- cloudimg-i386-disk1.img". There is no "c.img" and no Windows involved. -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu-kvm in Ubuntu. https://bugs.launchpad.net/bugs/1047531 Title: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU- KVM host To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/1047531/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
Re: [Bug 1047531] Re: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU-KVM host
Quoting Konstantin L. Metlov (met...@fti.dn.ua): > Also the VM in hanged state uses exactly 36 Mb of memory out of > allocated 512Mb and spins indefinitely using 100% CPU (sometimes > sligntly more: 102% or 104%). Probably, this memory usage corresponds to > the kernel+initrd. Interesting. Your kvm command line shows 4 qcow2 files and no cdrom file. Is windows already installed on c.img? -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu-kvm in Ubuntu. https://bugs.launchpad.net/bugs/1047531 Title: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU- KVM host To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/1047531/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1047531] Re: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU-KVM host
Thanks, Konstantin. I'll setup a new lucid host (as soon as hardware is freed from other tests) and try to reproduce. ** Changed in: qemu-kvm (Ubuntu) Status: Incomplete => New -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu-kvm in Ubuntu. https://bugs.launchpad.net/bugs/1047531 Title: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU- KVM host To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/1047531/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1047531] Re: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU-KVM host
Also the VM in hanged state uses exactly 36 Mb of memory out of allocated 512Mb and spins indefinitely using 100% CPU (sometimes sligntly more: 102% or 104%). Probably, this memory usage corresponds to the kernel+initrd. I have enabled GRUB debug output, but never seen it telling anything about launching the kernel. So it looks that hang happens in GRUB (which is consistent with the observation that all other Precise images hang in the same way, irrespectively of kernel options). -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu-kvm in Ubuntu. https://bugs.launchpad.net/bugs/1047531 Title: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU- KVM host To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/1047531/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1047531] Re: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU-KVM host
Nope. In my case this does not help. I just get "Booting a command list" and hang. I've tried removing "console=ttyS0" before and did it again now just for a test. The hang happens not only with cloud images, but with VMbuilder images and install ISOs too. What bothers me, actually, is that I can't find similar cases, reported by other people. Running new images on old VM servers should be quite common use case. May be there is something specific in my configuration that triggers this problem. On the other hand I do not remember changing any KVM or libvirt global configuration files, I use stock kernel and stock packages. Machine has 8Gb of memory (with about 2 Gb left free and for disk cache). There are exactly 10 Lucid VMs running at all times. This one is eleventh. May be there is some limit on number of running VMs ? -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu-kvm in Ubuntu. https://bugs.launchpad.net/bugs/1047531 Title: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU- KVM host To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/1047531/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1047531] Re: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU-KVM host
(Also, after minutes I do then get a login prompt, with 'console=ttyS0' removed from boot command) -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu-kvm in Ubuntu. https://bugs.launchpad.net/bugs/1047531 Title: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU- KVM host To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/1047531/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1047531] Re: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU-KVM host
Thanks for taking the time to report this bug. I can actually reproduce this in quantal. However (at least in my case) kvm is not actually hanging. The default boot prompt is sending output to 'console=ttyS0', and cloud-init waits a long time for an ec2 server to be available. When I catch the grub prompt, type 'e' to edit the boot command, and delete the 'console=ttyS0', then output appears on my vnc session. Does that work for you in lucid as well? ** Changed in: qemu-kvm (Ubuntu) Importance: Undecided => High ** Changed in: qemu-kvm (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu-kvm in Ubuntu. https://bugs.launchpad.net/bugs/1047531 Title: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU- KVM host To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/1047531/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1047531] Re: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU-KVM host
** Package changed: ubuntu => qemu-kvm (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu-kvm in Ubuntu. https://bugs.launchpad.net/bugs/1047531 Title: Ubuntu 12.04 (Precise) guests can't boot on Ubuntu 10.04 (Lucid) QEMU- KVM host To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/1047531/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs