Bug 726023
| Summary: | Migration after hot-unplug virtio-balloon will not succeed | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 6 | Reporter: | Amit Shah <amit.shah> |
| Component: | qemu-kvm | Assignee: | Amit Shah <amit.shah> |
| Status: | CLOSED ERRATA | QA Contact: | Virtualization Bugs <virt-bugs> |
| Severity: | unspecified | Docs Contact: | |
| Priority: | unspecified | ||
| Version: | 6.2 | CC: | dawu, juzhang, mkenneth, qzhang, tburke, virt-maint |
| Target Milestone: | rc | ||
| Target Release: | --- | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
| Whiteboard: | |||
| Fixed In Version: | qemu-kvm-0.12.1.2-2.179.el6 | Doc Type: | Bug Fix |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2011-12-06 15:54:57 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
|
Description
Amit Shah
2011-07-27 10:45:26 UTC
(In reply to comment #0) > Description of problem: > > Migration complains of a missing section after hot-unplugging a virtio-balloon > device: > > Unknown savevm section or instance '0000:00:04.0/virtio-balloon' 0 > load of migration failed Hi,amit Would you please elaborate your steps and command lines so that qe can reproduce it and verify this issue?thanks I thought it was clear: 1. start qemu with -device virtio-balloon-pci,id=balloon 2. in qemu monitor, issue: device_del balloon 3. migrate vm to another qemu instance (without balloon device) Verified this issue with the latest version both on win7-64 and RHEL-Server-6.2-64,migration succeed after hot-unplug virtio-balloon without any complain and error, following is the details: kernel-2.6.32-192.el6.x86_64 qemu-kvm-0.12.1.2-2.184.el6.x86_64 For win7,use the latest virtio-win(virtio-win-prewhql-0.1-15) Steps: 1.Start guest with following CLI: /usr/libexec/qemu-kvm -m 2G -smp 2 -cpu cpu64-rhel6,+x2apic -usbdevice tablet -drive file=RHEL-Server-6.2-64-virtio.qcow2,if=none,id=drive-ide0-0-0,werror=stop,rerror=stop,cache=none -device ide-drive,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0 -netdev tap,id=hostnet0,script=/etc/qemu-ifup0 -device rtl8139,netdev=hostnet0,mac=00:10:4a:1b:74:19,bus=pci.0,addr=0x4 -boot c -uuid e795b747-ffcb-4f7c-b41a-5dc4b433edd9 -rtc-td-hack -no-kvm-pit-reinjection -monitor stdio -name rhel62 -device virtio-balloon-pci,id=balloon,addr=0x5,bus=pci.0 -spice port=5931,disable-ticketing -vga qxl 2.in qemu monitor: device_del balloon 3.migrate vm to another qemu instance (without balloon device) Actually result: migration succeed after hot-unplug virtio-balloon without any complain and error. 1.This issue can be reproduced on qemu-kvm-0.12.1.2-2.178.el6,Migration complains of a missing section after hot-unplugging a virtio-balloon device: Unknown savevm section or instance '0000:00:05.0/virtio-balloon' 0 load of migration failed 2.Verified this issue on the latest build qemu-kvm-0.12.1.2-2.184.el6.x86_64, it did not reproduce, migration succeed without any error, please refer to comment7 for details. Best Regards, Dawn Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. http://rhn.redhat.com/errata/RHSA-2011-1531.html |