Re: CephFS and the next jewel release v10.2.3

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On Wed, Aug 24, 2016 at 11:11 AM, Gregory Farnum <gfarnum@xxxxxxxxxx> wrote:
> On Tue, Aug 23, 2016 at 1:59 AM, Loic Dachary <loic@xxxxxxxxxxx> wrote:
>> Hi John,
>>
>> The next jewel release as found at https://github.com/ceph/ceph/tree/jewel passed the fs suite (http://tracker.ceph.com/issues/16344#note-30 except for three valgrind failures). Do you think the jewel branch is ready for QE to start their own round of testing ?
>>
>> Cheers
>>
>> P.S. CC'ing Greg because John is on vacation, in case a decision is to be made before he returns.
>
> Ugh, I went to check these valgrind failures and they're a failed
> mutex assert on shutdown. Let me dig into what's happening. :(
> -Greg

Hmm, we seem to have some badly-colliding backports. If you look at
commit ac449472df2978123192d5f22247d8b8bc5efb28 and MDSRank.cc line
242, you'll see it does mds_lock.Unlock() twice in quick succession.
:(

One of them came in from 7c2eab19, and the other from 1d3a8168. I
think maybe the patches got reordered in their backport order or
something.

Patrick, can you give https://github.com/ceph/ceph/pull/10847 a quick
review? Loic, can you then run the failed tests against a backport
branch which includes that patch?
-Greg
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