| Summary: | block streaming reverts image to auto-probe backing file format | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 6 | Reporter: | Paolo Bonzini <pbonzini> |
| Component: | qemu-kvm | Assignee: | Paolo Bonzini <pbonzini> |
| Status: | CLOSED ERRATA | QA Contact: | Virtualization Bugs <virt-bugs> |
| Severity: | unspecified | Docs Contact: | |
| Priority: | unspecified | ||
| Version: | 6.3 | CC: | acathrow, areis, bsarathy, dyasny, flang, juzhang, michen, minovotn, mkenneth, shu, virt-maint |
| Target Milestone: | rc | ||
| Target Release: | --- | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
| Whiteboard: | |||
| Fixed In Version: | qemu-kvm-0.12.1.2-2.278.el6 | Doc Type: | Bug Fix |
| Doc Text: |
No Documentation Needed
|
Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 2012-06-20 08:56:41 UTC | Type: | Bug |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
|
Description
Paolo Bonzini
2012-04-10 13:34:50 UTC
How to test: (qemu) snapshot_blkdev ide0-hd0 test.qcow2 qcow2 (qemu) snapshot_blkdev ide0-hd0 fff.qcow2 qcow2 (qemu) block_stream ide0-hd0 base.qcow2 On fixed QEMU, the fff.qcow2 will show something like ^Eqcow2^@^@^@base.qcow2 when viewed with less. On broken QEMU, it will show something like base.qcow2ow2^@^@^@test.qcow2. Verified this issue with qemu-kvm-rhev-0.12.1.2-2.288.el6 steps 1. boot guest with /root/zhang/rhel6.3-64-virtio.qcow2 2. snapshot_blkdev virtio0 /root/zhang/test1 qcow2 3. snapshot_blkdev virtio0 /root/zhang/test2 qcow2 4. block-stream virtio0 /root/zhang/rhel6.3-64-virtio.qcow2 5. view /root/test2 | less Results Eqcow2^@^@^@/root/zhang/rhel6.3-64-virtio.qcow2
Technical note added. If any revisions are required, please edit the "Technical Notes" field
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New Contents:
No Documentation Needed
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/RHBA-2012-1017.html |