Bug 699370
Summary: | floppy I/O error after live migration while floppy in use | ||
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Product: | Red Hat Enterprise Linux 5 | Reporter: | Mike Cao <bcao> |
Component: | kvm | Assignee: | jason wang <jasowang> |
Status: | CLOSED WONTFIX | QA Contact: | Virtualization Bugs <virt-bugs> |
Severity: | high | Docs Contact: | |
Priority: | high | ||
Version: | 5.7 | CC: | bcao, ehabkost, gcosta, juzhang, michen, mkenneth, quintela, syeghiay, tburke, virt-maint, xfu |
Target Milestone: | rc | Keywords: | Triaged |
Target Release: | --- | ||
Hardware: | x86_64 | ||
OS: | Linux | ||
Whiteboard: | |||
Fixed In Version: | Doc Type: | Bug Fix | |
Doc Text: | Story Points: | --- | |
Clone Of: | 681777 | Environment: | |
Last Closed: | 2011-06-21 15:48:42 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: | 681777 | ||
Bug Blocks: | 580949 |
Comment 1
Mike Cao
2011-04-25 12:25:00 UTC
Reproduced on # uname -r 2.6.18-256.el5 # rpm -q kvm kvm-83-231.el5 reporduced on uname -r 2.6.18-260.el5 rpm -qa|grep kvm kvm-83-232.el5 Reproduced on kvm-83-236.el5 Verified on kvm-83-237.el5. steps: 1.start guest with floppy eg:# /usr/libexec/qemu-kvm -no-hpet -no-kvm-pit-reinjection -rtc-td-hack -startdate now -usbdevice tablet -k en-us -smp 4 -cpu qemu64,+sse2 -m 4G -balloon none -boot dc -net nic,vlan=1,macaddr=00:1a:4a:42:49:11,model=virtio -net tap,vlan=1,script=/etc/qemu-ifup,downscript=no -drive file=/opt/rhel5.6.0/rhel6u1_5.6.0,if=virtio,format=raw,werror=stop,cache=none,boot=on -vnc :1 -M rhel5.6.0 -monitor stdio -M rhel5.6.0 -drive file=/home/virtio-drivers.vfd,if=floppy,format=raw 2.start listenning port 3.keeps write data to floppy in the guest for((;;)) do echo hello > /media/disk/file rm -rf /media/disk/file echo "good" done 4.do live migration Actual Results: on kvm-83-236.el5 ,dmesg floods " floppy0: disk absent or changed during operation end_request: I/O error, dev fd0, sector 2" on kvm-83-237.el5,no floppy I/O error shows in dmesg Based on above ,this issue has been fixed |