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KVM crashes when attempting to restart migration
Operations performed:
Sequence to trigger crash:
* Start two kvm systems, one on gerph (primary), one on nbuild2 (listening for incoming migration) - do not use -daemonize
* On gerph, connect to monitor.
* "migrate -d -b tcp:nbuild2:4444"
* "info migrate"
* "migrate_cancel"
* "info migrate"
* "migrate -d -b tcp:nbuild2:4444"
* crashed with assertion:
kvm: block-migration.c:355: flush_blks: Assertion `block_mig_state.read_done >= 0' failed.
Connection closed by foreign host.
[1]+ Aborted (core dumped) kvm -drive file=./copy-disk2.img,boot=on -m 4096 -serial mon:telnet::23023,server,nowait -balloon virtio -vnc :99 -usbdevice tablet -net nic,macaddr=f6:a6:31:53:89:9a,model=rtl8139,vlan=0 -net tap,vlan=0
Repeating the operations above often dies in different places; just repeat the cancel and restart the operation. Because the KVM system dies, the underlying VM is obviously terminated.
Distribution:
jfletcher@gerph:~$ lsb_release -rd
Description: Ubuntu 10.04.3 LTS
Release: 10.04
Package:
jfletcher@gerph:~$ apt-cache policy kvm
kvm:
Installed: 1:84+dfsg-0ubuntu16+0.12.3+noroms+0ubuntu9.15
Candidate: 1:84+dfsg-0ubuntu16+0.12.3+noroms+0ubuntu9.15
Version table:
*** 1:84+dfsg-0ubuntu16+0.12.3+noroms+0ubuntu9.15 0
500 http://gb.archive.ubuntu.com/ubuntu/ lucid-updates/main Packages
500 http://security.ubuntu.com/ubuntu/ lucid-security/main Packages
100 /var/lib/dpkg/status
1:84+dfsg-0ubuntu16+0.12.3+noroms+0ubuntu9 0
500 http://gb.archive.ubuntu.com/ubuntu/ lucid/main Packages
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