[Qemu-devel] [Bug 1297218] Re: guest hangs after live migration due to tsc jump

2014-08-12 Thread Paul Boven
Andrey: the bug also occurs when not using '--copy-storage-inc'. I originally encountered the bug on a pair of servers that share a glusterfs filesystem. As part of the debugging effort, I took glusterfs out of the equation to show that it is not the cause of the issue. My test envirement is theref

[Qemu-devel] [Bug 1297218] Re: guest hangs after live migration due to tsc jump

2014-08-11 Thread Paul Boven
Another test with NTP disabled on the servers (but enabled on the guest): Still running qemu-git-2.1.0-rc2-git-20140721 server-a:~$ ntpdate -q cl0 stratum 3, offset -29.405612, delay 0.02597 server-b$ ntpdate -q cl0 stratum 3, offset -32.990292, delay 0.02597 The guest is running NTP, hosted on

[Qemu-devel] [Bug 1297218] Re: guest hangs after live migration due to tsc jump

2014-08-01 Thread Paul Boven
As another test (still running qemu-git-2.1.0-rc2-git-20140721), I disabled NTP on the two servers (and rebooted them), but left it running on the guest. When doing the migration, server a (where the guest was running) had an NTP offset of -3.037619 s, and server b was at -3.337718 s. The guest wa

[Qemu-devel] [Bug 1297218] Re: guest hangs after live migration due to tsc jump

2014-07-29 Thread Paul Boven
** Also affects: qemu Importance: Undecided Status: New -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1297218 Title: guest hangs after live migration due to tsc jump Status in QEMU: Ne

[Qemu-devel] Live migration debugging

2014-07-29 Thread Paul Boven
ly? See also https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1297218 Regards, Paul Boven. -- Paul Boven +31 (0)521-596547 Unix/Linux/Networking specialist Joint Institute for VLBI in Europe - www.jive.nl VLBI - It's a fringe science