On Thu, Oct 08, 2020 at 05:17:51AM +0000, Hefty, Sean wrote: > There have been extensive discussions on github around the MR cache, > deadlocks, libibverbs madvise tracking, and fork. The current > direction is to only enable the MR cache when fork is disabled. > This was done to work-around internal libibverbs tracking. But I > suspect that bypassing that tracking (which is possible) can still > lead to issues when registrations are made through the MR cache.
MADV_DONTFORK will be obsolete starting in kernel v5.9 If you can test and confirm that everything works without it then we can detect and disable ibv_fork_init on new kernels. Jason _______________________________________________ ofiwg mailing list [email protected] https://lists.openfabrics.org/mailman/listinfo/ofiwg
