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Re: recent flakiness (intermittent hangs) of migration-test
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From: |
Dr. David Alan Gilbert |
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Subject: |
Re: recent flakiness (intermittent hangs) of migration-test |
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Date: |
Thu, 29 Oct 2020 17:41:24 +0000 |
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User-agent: |
Mutt/1.14.6 (2020-07-11) |
* Peter Maydell (peter.maydell@linaro.org) wrote:
> Recently I've seen the 'make check' migration-test developing an
> intermittent hang; I've seen this now on aarch32 host several times
> and also on s390x host. The symptom is that the test just hangs
> with a couple of child qemu processes sitting around doing nothing.
> ^Cing out of 'make check' doesn't kill the qemu processes; they
> seem to need a 'kill -9'.
If you can send us a copy of the ps -eaf of the qemu commandlines
in the failing case it would be interesting to see.
> Sorry for the low-information-density bug report, but I don't really
> have time at the moment to debug failures in merge build test runs
> because the queue of stuff still to merge is enormous...
If you get a moment to breath then a backtrace of the migration-test
process itself would be useful to see where it's hanging.
Dave
> thanks
> -- PMM
>
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK