Bug 544940
| Summary: | reattach virtio to rhel{5,6} guests will cause qemu-kvm crash | ||
|---|---|---|---|
| Product: | [Fedora] Fedora | Reporter: | wmg <wezhang> |
| Component: | kvm | Assignee: | Glauber Costa <gcosta> |
| Status: | CLOSED WONTFIX | QA Contact: | Fedora Extras Quality Assurance <extras-qa> |
| Severity: | high | Docs Contact: | |
| Priority: | medium | ||
| Version: | 12 | CC: | berrange, clalance, dwu, ehabkost, gcosta, jforbes, markmc, quintela, virt-maint |
| Target Milestone: | --- | Keywords: | Triaged |
| Target Release: | --- | ||
| Hardware: | x86_64 | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | Bug Fix | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2010-12-04 02:04:57 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: | |||
| Bug Depends On: | |||
| Bug Blocks: | 546327 | ||
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Description of problem: reattach virtio disk to rhel{5,6} guests will cause qemu-kvm crash Version-Release number of selected component (if applicable): [root@ht ~]# rpm -q qemu-kvm qemu-kvm-0.11.0-11.fc12.x86_64 [root@ht ~]# uname -r 2.6.31.5-127.fc12.x86_64 How reproducible: 100% Steps to Reproduce: 1. install a RHEL{5,6} guest in Fedora12 2. load hotplug module in guest with 'modprobe acpiphp' 3. create a disk image in host use dd, and attach it to guest with 'virsh attach-disk domainname /imagepath vdb' 4. you will see the attached disk in guest now, detach it from host 5. reattach the disk in step 3, will got a failed message : 'error: operation failed: cannot attach virtio disk', and then 'virsh list', you could see that qemu process anymore Actual results: qemu-kvm crashed Expected results: qemu-kvm should resume running, and the reattached disk should works fine in guest Additional info: I also tested with scsi disk attach, the qemu-kvm process wouldn't crash with scsi disk reattach, but the scsi disk couldn't be recognized correctly for the 2nd attachment, I think for scsi/virtio disk may related