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v4.0.x: pml/ob1: fix deadlock with communicator flag ALLOW_OVERTAKE. #6582

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Merged
merged 1 commit into from
Apr 10, 2019

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@jsquyres jsquyres commented Apr 9, 2019

We missed an assert to check if ALLOW_OVERTAKE is set or not before
validating the sequence number and this will cause deadlock.

Signed-off-by: Thananon Patinyasakdikul [email protected]
(cherry picked from commit 0263456)

Thanks to @devreal + @bosilca for pointing out that this fix had not made it to v4.0.x (fixes #6559).

We missed an assert to check if ALLOW_OVERTAKE is set or not before
validating the sequence number and this will cause deadlock.

Signed-off-by: Thananon Patinyasakdikul <[email protected]>
(cherry picked from commit 0263456)
@jsquyres jsquyres added this to the v4.0.2 milestone Apr 9, 2019
@jsquyres jsquyres requested review from bosilca and thananon April 9, 2019 18:26
@jsquyres jsquyres changed the title pml/ob1: fix deadlock with communicator flag ALLOW_OVERTAKE. v4.0.x: pml/ob1: fix deadlock with communicator flag ALLOW_OVERTAKE. Apr 9, 2019
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👍
I thought I PR it over. I'm sorry for this.

@hppritcha hppritcha added the NEWS label Apr 10, 2019
@hppritcha hppritcha merged commit 5d6657e into open-mpi:v4.0.x Apr 10, 2019
@jsquyres jsquyres deleted the pr/v4.0.x/fix-overtake branch April 13, 2019 15:11
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4 participants