Bug 885047
| Summary: | Improve error message after block_resize with big size | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 7 | Reporter: | langfang <flang> |
| Component: | qemu-kvm | Assignee: | Kevin Wolf <kwolf> |
| Status: | CLOSED CURRENTRELEASE | QA Contact: | Virtualization Bugs <virt-bugs> |
| Severity: | low | Docs Contact: | |
| Priority: | medium | ||
| Version: | 7.0 | CC: | acathrow, chayang, flang, hhuang, juli, juzhang, knoel, michen, mrezanin, qzhang, sluo, virt-maint, xfu, xigao |
| Target Milestone: | rc | ||
| Target Release: | --- | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | Bug Fix | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2014-06-13 12:52:59 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: | |
| Embargoed: | |||
Fixed in upstream qemu.git commit 8732901e. Build in qemu-kvm-1.5.0-1.el7 Reproduce this bug:
Version-Release number of selected component (if applicable):
Host:
qemu-kvm-1.4.0-4.el7.x86_64
1.Boot guest
# <cli> -drive file=/root/test-bkl.qcow2_v3,if=none,id=drive-virtio0-2-1,media=disk,werror=stop,rerror=stop,cache=none,format=qcow2 \
-device virtio-blk-pci,bus=pcie.0,drive=drive-virtio0-2-1,id=virtio0-2-1 \
-drive file=/root/test-bkl-1.raw,if=none,id=drive
2.block_resize via qmp.
{ "execute": "block_resize", "arguments": { "device": "drive-virtio0-2-1", "size":50000000000000000000000000000}}
{"error": {"class": "GenericError", "desc": "An undefined error has occurred"}}
----------
Verify this bug:
both virtio-blk and virtio-scsi interface, and qcow2_v3 and raw format disk.
Version-Release number of selected component (if applicable):
Host:
qemu-kvm-rhev-1.5.3-9.el7.x86_64
3.10.0-34.el7.x86_64
Scenarios 1(virtio-scsi and qcow2_v3):
#<cli> -drive file=/root/test-scsi.qcow2_v3,if=none,id=storage1-1,media=disk,cache=none,format=qcow2 \
-device virtio-scsi-pci,id=scsi2,ioeventfd=off \
-device scsi-hd,drive=storage1-1,bus=scsi2.0,scsi-id=0,lun=0,id=juli-2
# qemu-img info /root/test-scsi.qcow2_v3
image: /root/test-scsi.qcow2_v3
file format: qcow2
virtual size: 69G (73741824000 bytes)
disk size: 140K
cluster_size: 65536
(qemu) block_resize storage1-1 20G
qcow2 doesn't support shrinking images yet
{ "execute": "block_resize", "arguments": { "device": "storage1-1", "size":5368709120}}
{"error": {"class": "GenericError", "desc": "this feature or command is not currently supported"}}
Scenarios 2(virtio-scsi and raw):
# <cli> -drive file=/root/test-scsi-1.raw,if=none,id=storage1-2,media=disk,cache=none,format=raw \
-device virtio-scsi-pci,id=scsi3,ioeventfd=off \
-device scsi-hd,drive=storage1-2,bus=scsi3.0,scsi-id=0,lun=0,id=juli-3
# qemu-img info /root/test-scsi-1.raw
image: /root/test-scsi-1.raw
file format: raw
virtual size: 10G (10737418240 bytes)
disk size: 0
(qemu) block_resize storage1-2 5G
(qemu) block_resize storage1-2 10G
{ "execute": "block_resize", "arguments": { "device": "storage1-2", "size":5368709120}}
{"return": {}}
{ "execute": "block_resize", "arguments": { "device": "storage1-2", "size":21474836480}}
{"return": {}}
Scenarios 3(virtio-blk and qcow2_v3):
# <cli> -drive file=/root/test-bkl.qcow2_v3,if=none,id=drive-virtio0-2-1,media=disk,werror=stop,rerror=stop,cache=none,format=qcow2 \
-device virtio-blk-pci,bus=pcie.0,drive=drive-virtio0-2-1,id=virtio0-2-1
# qemu-img info /root/test-bkl.qcow2_v3
image: /root/test-bkl.qcow2_v3
file format: qcow2
virtual size: 10G (10737418240 bytes)
disk size: 136K
cluster_size: 65536
(qemu) block_resize drive-virtio0-2-1 5G
qcow2 doesn't support shrinking images yet
this feature or command is not currently supported
{ "execute": "block_resize", "arguments": { "device": "drive-virtio0-2-1", "size":5368709120}}
{"error": {"class": "GenericError", "desc": "this feature or command is not currently supported"}}
(qemu) block_resize drive-virtio0-2-1 20G
{ "execute": "block_resize", "arguments": { "device": "drive-virtio0-2-1", "size":21474836480}}
{"return": {}}
Scenarios 4(virtio-blk and raw):
# <cli> -drive file=/root/test-bkl-1.raw,if=none,id=drive-virtio0-2-2,media=disk,werror=stop,rerror=stop,cache=none,format=raw \
-device virtio-blk-pci,bus=pcie.0,drive=drive-virtio0-2-2,id=virtio0-2-2
# qemu-img info /root/test-bkl-1.raw
image: /root/test-bkl-1.raw
file format: raw
virtual size: 10G (10737418240 bytes)
disk size: 0
(qemu) block_resize drive-virtio0-2-2 5G
(qemu) block_resize drive-virtio0-2-2 20G
{ "execute": "block_resize", "arguments": { "device": "drive-virtio0-2-2", "size":5368709120}}
{"return": {}}
{ "execute": "block_resize", "arguments": { "device": "drive-virtio0-2-2", "size":21474836480}}
{"return": {}}
--
Based on above test, I think this bug is verified.
This request was resolved in Red Hat Enterprise Linux 7.0. Contact your manager or support representative in case you have further questions about the request. |
Description of problem: Improve error message after block_resize big size Version-Release number of selected component (if applicable): Host: # uname -r 3.6.0-0.29.el7.x86_64 # rpm -q qemu-kvm qemu-kvm-1.2.0-18.el7.x86_64 Guest: uname -r 2.6.32-344.el6.x86_64 How reproducible: 100% Steps to Reproduce: 1.Boot guest 2.Block_resize big size (qemu) block_resize drive-virtio-disk0 10240--->sucessfully (qemu) block_resize drive-virtio-disk0 20480--->succesfully (qemu) block_resize drive-virtio-disk0 2242424242 An undefined error has occurred (qemu) block_resize drive-virtio-disk0 2242424242 An undefined error has occurred (qemu) block_resize drive-virtio-disk0 2242424242 An undefined error has occurred (qemu) block_resize drive-virtio-disk0 2242424242 An undefined error has occurred Actual results: After block_resize big size,show "An undefined error has occurred". Expected results: Shoud give the error info can be described in detail. Additional info: 1)virtio-blk virtio-scsi disk both have same problem. 2)Img type raw 3)After hit the problem,guest work well. 4)QMP # telnet 10.66.85.215 4445 Trying 10.66.85.215... Connected to 10.66.85.215. Escape character is '^]'. {"QMP": {"version": {"qemu": {"micro": 0, "minor": 2, "major": 1}, "package": " (qemu-kvm-1.2.0)"}, "capabilities": []}} {"execute": "qmp_capabilities"} {"return": {}} { "execute": "block_resize", "arguments": { "device": "drive-ide0-0-0","size":47924729472947294729472947294729}} {"error": {"class": "GenericError", "desc": "An undefined error has occurred"}} CLI: /usr/libexec/qemu-kvm -M pc-1.2 -cpu Westmere -enable-kvm -uuid `uuidgen` -rtc base=localtime,clock=host,driftfix=slew -m 10G -smp 4,sockets=2,cores=2,threads=1 -name rhel6.3.z -drive file=/home/rhel6.4-latest.raw,if=none,id=drive-virtio-disk0,format=raw,cache=none,aio=native,media=disk,werror=stop,rerror=stop -device virtio-scsi-pci,id=bus1,addr=0x4 -device scsi-hd,bus=bus1.0,drive=drive-virtio-disk0,id=virtio-scsi-pci0 -monitor stdio -boot c -vnc :0