Bug 597070

Summary: Vms are crashing and/or corrupted after live migration
Product: [Fedora] Fedora Reporter: Thomas S Hatch <thatch45>
Component: libvirtAssignee: Daniel Veillard <veillard>
Status: CLOSED CURRENTRELEASE QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: high Docs Contact:
Priority: low    
Version: 13CC: berrange, clalance, crobinso, itamar, jforbes, veillard, virt-maint
Target Milestone: ---   
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
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Clone Of: Environment:
Last Closed: 2011-06-10 13:45:40 EDT Type: ---
Regression: --- Mount Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:

Description Thomas S Hatch 2010-05-28 00:02:32 EDT
Description of problem:
My setup is on a bladecenter running f13 and running libvirt kvm images out of a nfs share.  The kvms are running very well, but when they are migrated across blades about %70 of the time the vms exhibit strange behavior after migrating.  either the root filesystems on the vms are mounted read only after migration or the vm segfaults.

Version-Release number of selected component (if applicable):
qemu-kvm 0.12.3-8.fc13
libvirt 0.7.7-3

How reproducible:
occurs about %70 of the time when migrating

Steps to Reproduce:
1. migrate vms between IBM bladecenter blades using a nfs nas for shared storage
  
Actual results:
vms are crashing

Expected results:
for migration to work

Additional info:
Comment 1 Daniel Berrange 2010-05-28 04:35:06 EDT
This is a known issue, resolved by this upstream patch

https://www.redhat.com/archives/libvir-list/2010-May/msg00385.html


As a temporary workaround edit /etc/libvirt/qemu.conf and set user='root' and group='root' and then restart libvirtd. Do this on all virt hosts you migrate between.
Comment 2 Bug Zapper 2011-06-02 09:08:38 EDT
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Approximately 30 (thirty) days from now Fedora will stop maintaining
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this bug will be closed as WONTFIX if it remains open with a Fedora 
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Comment 3 Cole Robinson 2011-06-10 13:45:40 EDT
Since that patch is likely in F14/F15, closing as CURRENTRELEASE