Details
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Bug
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Resolution: Fixed
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Critical
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Lustre 2.8.0, Lustre 2.9.0, Lustre 2.10.0
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3
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9223372036854775807
Description
LU-7124 is completely incorrect patch.
It decrease a WR array into kernel, but o2ib lnd stay assume about own queue depth.
It caused situation
Aug 8 21:53:00 lstr1n07 kernel: mlx5_warn:mlx5_0:mlx5_ib_post_send:4184:(pid 26272): Failed to prepare WQE Aug 8 21:53:00 lstr1n07 kernel: mlx5_warn:mlx5_0:begin_wqe:4085:(pid 9590): work queue overflow
after several ENOMEM hits.
Oleg Drokin (oleg.drokin@intel.com) merged in patch https://review.whamcloud.com/30311/
Subject:
LU-9943lnd: correct WR fast reg accountingProject: fs/lustre-release
Branch: master
Current Patch Set:
Commit: 9a379e3226f1ec3be1a628f11a87e34f5d53abd4