Bug 742484
| Summary: | should be also have snapshot on floppy | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 6 | Reporter: | juzhang <juzhang> |
| Component: | qemu-kvm | Assignee: | Markus Armbruster <armbru> |
| Status: | CLOSED ERRATA | QA Contact: | Virtualization Bugs <virt-bugs> |
| Severity: | medium | Docs Contact: | |
| Priority: | medium | ||
| Version: | 6.2 | CC: | acathrow, chayang, michen, mkenneth, tburke, virt-maint |
| Target Milestone: | rc | ||
| Target Release: | --- | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
| Whiteboard: | |||
| Fixed In Version: | qemu-kvm-0.12.1.2-2.206.el6 | Doc Type: | Bug Fix |
| Doc Text: |
Cause: Snapshotting ignored drives with removable media
Consequence: Reverting to a snapshot didn't revert writes to floppies
Fix: Ignore drives with removable media only when read-only or empty
Result: Snapshotting now treats writable floppies like any other writable drive
|
Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 2011-12-06 16:04:55 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: | |||
| Bug Depends On: | |||
| Bug Blocks: | 742458, 748554 | ||
http://post-office.corp.redhat.com/archives/rhvirt-patches/2011-September/msg00677.html According to our test results. with this patch fix this issue.add this issue into tracker bug(bz742458) Verified this issue with qemu-kvm-0.12.1.2-2.199.el6,the steps are as same as comment0. After step4 Results # ./bb.sh mainqcow2.qcow2 Snapshot list: ID TAG VM SIZE DATE VM CLOCK 1 2.8M 2011-10-20 09:35:48 00:00:04.197 qemuiso.qcow2 qemufloppy.qcow2 Snapshot list: ID TAG VM SIZE DATE VM CLOCK 1 0 2011-10-20 09:35:48 00:00:04.197 We also did virtual block and usb device functional testing,did not find block or regression bugs. https://tcms.engineering.redhat.com/run/29499/ https://tcms.engineering.redhat.com/run/29338/ Moving to ON_QA because Errata Tool did not do it
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New Contents:
Cause: Snapshotting ignored drives with removable media
Consequence: Reverting to a snapshot didn't revert writes to floppies
Fix: Ignore drives with removable media only when read-only or empty
Result: Snapshotting now treats writable floppies like any other writable drive
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 |
Description of problem: For now,no snapshot on floppy Version-Release number of selected component (if applicable): qemu-kvm-0.12.1.2-2.193.el6.x86_64 guest kernel #uname -r 2.6.32-195.el6.x86_64 How reproducible: 100% Steps to Reproduce: 1.boot guest /usr/libexec/qemu-kvm -no-kvm-pit-reinjection -rtc-td-hack -m 1G -smp 1 -M rhel6.2.0 -drive file=/root/zhang/armbu/mainqcow2.qcow2,if=none,id=drive-virtio0-0-0,format=qcow2,werror=stop,rerror=stop,cache=none,aio=native -device virtio-blk-pci,drive=drive-virtio0-0-0,id=virti0-0-0,bootindex=1 -netdev tap,id=hostnet0,vhost=on,script=/etc/qemu-ifup -device virtio-net-pci,netdev=hostnet0,id=net0,mac=52:56:00:94:a3:21 -uuid 9e6f04cf-2ad7-45aa-9333-2d2ee26570c6 -balloon none -monitor stdio -vnc :10 -drive file=/root/zhang/armbu/qemuiso.qcow2,if=none,media=cdrom,id=drive-ide0-1-0,readonly=on,format=raw -device ide-drive,bus=ide.1,unit=0,drive=drive-ide0-1-0 -fda /root/zhang/armbu/qemufloppy.qcow2 2.(qemu) savevm 3.quit 4../bb.sh cat bb.sh for i in mainqcow2.qcow2 qemuiso.qcow2 qemufloppy.qcow2; do echo $i; qemu-img snapshot -l $i; done Actual results: mainqcow2.qcow2 Snapshot list: ID TAG VM SIZE DATE VM CLOCK 1 1 3.0M 2011-09-29 04:37:57 00:00:06.353 qemuiso.qcow2 qemufloppy.qcow2 Expected results: should be also have snapshot on floppy Additional info: