Using the packages from the virt-daily-upstream PPA, as suggested in
#16, seems to resolve the issue: there are no detectable hangs after a
live migration, and the clock offset afterwards is only 0.13s, where it
used to be 2.3s for the same amount of uptime.
$ dpkg -l \*qemu\* |awk '/^ii/{print $2 "\t"$3}'
ipxe-qemu 1.0.0+git-20131111.c3d1e78-2ubuntu1
qemu 2.0~git-20140609.959e41-0ubuntu1
qemu-keymaps 2.0.0+dfsg-2ubuntu1.1
qemu-system 2.0~git-20140609.959e41-0ubuntu1
qemu-system-arm 2.0~git-20140609.959e41-0ubuntu1
qemu-system-common 2.0~git-20140609.959e41-0ubuntu1
qemu-system-mips 2.0~git-20140609.959e41-0ubuntu1
qemu-system-misc 2.0~git-20140609.959e41-0ubuntu1
qemu-system-ppc 2.0~git-20140609.959e41-0ubuntu1
qemu-system-sparc 2.0~git-20140609.959e41-0ubuntu1
qemu-system-x86 2.0~git-20140609.959e41-0ubuntu1
qemu-user 2.0~git-20140609.959e41-0ubuntu1
qemu-utils 2.0~git-20140609.959e41-0ubuntu1
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https://bugs.launchpad.net/bugs/1297218
Title:
guest hangs after live migration due to tsc jump
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