[mvapich-discuss] Registration cache problem

[Subramoni, Hari]

Hi, Alexander.

Thanks for reporting the issue. We appreciate it.

We are able to reproduce it. We are looking into it and will get back to you.

Best,
Hari.

From: mvapich-discuss-bounces at cse.ohio-state.edu <mvapich-discuss-bounces at mailman.cse.ohio-state.edu> On Behalf Of Alexander Melnikov
Sent: Monday, June 29, 2020 1:07 AM
To: mvapich-discuss at cse.ohio-state.edu <mvapich-discuss at mailman.cse.ohio-state.edu>
Subject: [mvapich-discuss] Registration cache problem

Hey. Can anyone check out a little test (in the attachment)? On each node, one MPI process starts, a small number of nodes is enough (3-6). We used the MVAPICH2 library versions 2.3.3 and 2.3.4, the compiler - GCC 4.8.5.
Almost all tests fail (bad data in rcv_thread). However, when the registration cache is disabled (MV2_USE_LAZY_MEM_UNREGISTER = 0), the error disappears.

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