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Re: [Qemu-devel] Migration from older Qemu to Qemu 2.0.0 does not work

From: Paolo Bonzini
Subject: Re: [Qemu-devel] Migration from older Qemu to Qemu 2.0.0 does not work
Date: Fri, 09 May 2014 19:05:15 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0

Il 09/05/2014 15:13, Stefan Priebe - Profihost AG ha scritto:

I see no output at the monitor of Qemu 2.0.

# migrate -d tcp:a.b.c.d:6000

# info migrate
capabilities: xbzrle: off x-rdma-pin-all: off auto-converge: on
zero-blocks: off
Migration status: failed
total time: 0 milliseconds

The target machine is still running at this point with no output.

Anything on its stdout?

Another test you could do, in addition to changing the devices, is this:

1) try with commit 6141f3bd6904df7cf9519c6444a14a608b9874c4 on the destination (the next one caused a migration problem that was fixed later). If it passes, go to step 1a. If it fails, go to step 2.

1a) try with commit c01a71c1a56fa27f43449ff59e5d03b2483658a2. If it passes, go to step 1b. If it fails, report it here.

1b) bisect between v2.0.0 (known-bad) and c01a71c1a56fa27f43449ff59e5d03b2483658a2 (known-good) to find the culprit. Report results.

2) change the source to v1.7.0 and bisect between v1.7.0 and 6141f3bd6904df7cf9519c6444a14a608b9874c4. Report results.



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