*** This bug is a duplicate of bug 1012946 ***
https://bugs.launchpad.net/bugs/1012946
Still not fixed... I have found a workaround which was working (bellow) but now
its not working anymore...
Same stuff like above in previous posts...
Someone spotted:
Please note that if you want to
*** This bug is a duplicate of bug 1012946 ***
https://bugs.launchpad.net/bugs/1012946
Still not fixed... I have found a workaround which was working (bellow) but now
its not working anymore...
Same stuff like above in previous posts...
Someone spotted:
Please note that if you want to
Ok will give it a try and post on bug bug 1012946.
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https://bugs.launchpad.net/bugs/1029889
Title:
LVM Based KVM VM taking 100% CPU on first start and hangs.
To
Ok will give it a try and post on bug bug 1012946.
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https://bugs.launchpad.net/bugs/1029889
Title:
LVM Based KVM VM taking 100% CPU on first start and hangs.
To manage notifications
Sorry for the delay I have tried File based VM works without problems.
I can add another File based VM - I have installed via vmbuilder:
vmbuilder kvm ubuntu \
--suite=precise \
--flavour=virtual \
--arch=amd64 \
--mem=512 \
--hostname=vm4 \
--bridge=br0 \
vgdisplay and lvdisplay
Is there any minimum space required on volume group to create LVM based
VM apart of the LV size of the particular VM ?
** Attachment added: lvdisplay.txt
https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/1029889/+attachment/3397953/+files/lvdisplay.txt
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** Attachment added: vgdisplay.txt
https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/1029889/+attachment/3397954/+files/vgdisplay.txt
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@Serge,
Let me know what else we could try to diagnose this problem.
This is the same VM machine created via vmbuilder with LVM volumes:
lvcreate -L26G -n vm5 virtualvg
vmbuilder.partition
root 2
swap 6000
boot.sh
# Install openssh-server
apt-get update
apt-get install -qqy --force-yes
VM Builder Logs for VM4 - File Based and VM5 - LVM Based
Partition setup and boot.sh are identical:
vmbuilder.partition
root 2
swap 6000
boot.sh
# Install openssh-server
apt-get update
apt-get install -qqy --force-yes openssh-server
RESULT:
VM4 (File Based) - Works No Problem
VM5 (LVM
** Attachment added: vmbuilder-install-lvm-based-log.txt
https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/1029889/+attachment/3398046/+files/vmbuilder-install-lvm-based-log.txt
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** Attachment added: lvdisplay-after-vm5-install.txt
https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/1029889/+attachment/3398048/+files/lvdisplay-after-vm5-install.txt
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** Attachment added: vgdisplay-after-vm5-install.txt
https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/1029889/+attachment/3398047/+files/vgdisplay-after-vm5-install.txt
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Sorry for the delay I have tried File based VM works without problems.
I can add another File based VM - I have installed via vmbuilder:
vmbuilder kvm ubuntu \
--suite=precise \
--flavour=virtual \
--arch=amd64 \
--mem=512 \
--hostname=vm4 \
--bridge=br0 \
vgdisplay and lvdisplay
Is there any minimum space required on volume group to create LVM based
VM apart of the LV size of the particular VM ?
** Attachment added: lvdisplay.txt
https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/1029889/+attachment/3397953/+files/lvdisplay.txt
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** Attachment added: vgdisplay.txt
https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/1029889/+attachment/3397954/+files/vgdisplay.txt
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https://bugs.launchpad.net/bugs/1029889
@Serge,
Let me know what else we could try to diagnose this problem.
This is the same VM machine created via vmbuilder with LVM volumes:
lvcreate -L26G -n vm5 virtualvg
vmbuilder.partition
root 2
swap 6000
boot.sh
# Install openssh-server
apt-get update
apt-get install -qqy --force-yes
VM Builder Logs for VM4 - File Based and VM5 - LVM Based
Partition setup and boot.sh are identical:
vmbuilder.partition
root 2
swap 6000
boot.sh
# Install openssh-server
apt-get update
apt-get install -qqy --force-yes openssh-server
RESULT:
VM4 (File Based) - Works No Problem
VM5 (LVM
** Attachment added: vmbuilder-install-lvm-based-log.txt
https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/1029889/+attachment/3398046/+files/vmbuilder-install-lvm-based-log.txt
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** Attachment added: vgdisplay-after-vm5-install.txt
https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/1029889/+attachment/3398047/+files/vgdisplay-after-vm5-install.txt
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** Attachment added: lvdisplay-after-vm5-install.txt
https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/1029889/+attachment/3398048/+files/lvdisplay-after-vm5-install.txt
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@Serge
I have not tried that with non-LVM backend as we generalu use faster LVM
backend.
Will do a test next week after my vacations.
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@Serge
I have not tried that with non-LVM backend as we generalu use faster LVM
backend.
Will do a test next week after my vacations.
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Title:
etc.
You will find all the details in this post.
It would be great if we could resolve that issue as it affects my only machine
with Xeon E processor
others with the same seutup and AMD are working fine.
Best
Lewdmole
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etc.
You will find all the details in this post.
It would be great if we could resolve that issue as it affects my only machine
with Xeon E processor
others with the same seutup and AMD are working fine.
Best
Lewdmole
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I have downloaded the cloud image precise-server-cloudimg-
amd64-disk1.img
1. convert to raw
$ qemu-img convert -O raw precise-server-cloudimg-amd64-disk1.img
precise-server-cloudimg-amd64-disk1.raw
2. dd it onto the hard drive.
# dd if=precise-server-cloudimg-amd64-disk1.raw
Conclusions:
- The VM DOES NOT BOOT the image is not corrupt as the cloud image neither
boots.
- Other vms on that problematic machine running fine so the kvm-qemu and
libvirt should be fine as well.
- There is still enough memory on that machine. (screenshot in prev post)
- By comparing
** Attachment added: SHA1SUM of update packages on problematic server
https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1029889/+attachment/3240359/+files/server1_update_sha1sum.txt
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** Attachment added: SHA1SUM of update packages on working server
https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1029889/+attachment/3240360/+files/server2_update_sha1sum.txt
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1. Posted the SHA1SUMS
2. Server1 (problematic server) - I have tried again to install different VMs
via vmbuilder all finished installation successfully but hanged on startup (via
virsh) taking 100% cpu - I am pretty sure the VMs are not booting as there is
nothing in boot log on LV of
Public bug reported:
KVM VM hangs taking 100% CPU on Ubuntu 12.04 Precise Pangolin:
OS: Ubuntu 12.04 LTS
ARCH: x86_64
VM created with vmbuilder no errors on install.
After defining vm in virsh:
virsh --connect qemu:///system
virsh # define /etc/libvirt/qemu/vm4.xml
virsh # start vm4
virsh #
** Package changed: ubuntu = libvirt (Ubuntu)
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Title:
LVM Based KVM VM taking 100% CPU on first start and hangs.
To manage notifications about
RESULT: ps -ef
UIDPID PPID C STIME TTY TIME CMD
root 1 0 0 14:08 ?00:00:00 /sbin/init
root 2 0 0 14:08 ?00:00:00 [kthreadd]
root 3 2 0 14:08 ?00:00:00 [ksoftirqd/0]
root 6 2 0 14:08 ?00:00:00
VM BUILDER INSTALL LOG:
2012-07-27 14:36:20,094 INFO: Calling hook: preflight_check
2012-07-27 14:36:20,096 INFO: Calling hook: set_defaults
2012-07-27 14:36:20,097 INFO: Calling hook: bootstrap
2012-07-27 14:39:35,613 INFO: Calling hook: configure_os
2012-07-27 14:39:59,199 INFO
I have mounted the LV of the VIRTUAL MACHINE and extracted some logs:
It seems that the machine has not booted as the boot.log is empty:
I have attached all thelogs and report for HOST and also for GUEST:
HOST:
libvirtd.log
shutdownlog.log
vm4.log
ps-while-guest-running.txt
top.txt
VM XML:
domain type='kvm'
namevm4/name
uuid3e3850e3-b0f3-ca26-c0cb-f5499b2fccec/uuid
memory524288/memory
currentMemory524288/currentMemory
vcpu1/vcpu
os
type arch='x86_64' machine='pc-1.0'hvm/type
boot dev='hd'/
/os
features
acpi/
/features
clock offset='utc'/
** Attachment added: VM XML Descriptor
https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1029889/+attachment/3238668/+files/vm4.xml
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** Attachment added: ps -ef while VM Guest Running
https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1029889/+attachment/3238670/+files/ps-while-guest-running.txt
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Will try to test it with the cloud image tmrw and also re-installing
1.0+noroms-0ubuntu13
Will do second test on other machine running the same setup.
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1.0+noroms-0ubuntu13 worked fine with all VM com up fine with the same
vmbuilder setup
after update to 1.0+noroms-0ubuntu14 VM doesnt come up
NEEDS CONFIRMATION
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second hardware machine running exactly the same setup Ubuntu 12.04 and KVM
creates and runs this VM without problem.
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https://bugs.launchpad.net/bugs/1029889
Title:
LVM Based KVM VM
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