[LU-10089] kiblnd_fmr_pool_map() Failed to map mr 10/11 elements

• Type: Bug
• Resolution: Fixed
• Priority: Critical
• Fix Version/s: Lustre 2.11.0
• Labels: llnl
• Environment: Build Version: 2.8.0_12.chaos; See ssh://review.whamcloud.com/fs/lustre-release-fe-llnl; RHEL 7.4 kernel
• Severity: 3
• Assignee: Amir Shehata (Inactive)
• Reporter: Olaf Faaland

Description

The following group of messages appear in the console logs of MDTs.

2017-10-04 08:11:00 [407096.858161] LNetError: 174158:0:(o2iblnd.c:1893:kiblnd_fmr_pool_map()) Failed to map mr 10/11 elements
2017-10-04 08:11:00 [407096.869697] LNetError: 174158:0:(o2iblnd_cb.c:590:kiblnd_fmr_map_tx()) Can't map 41033 pages: -22
2017-10-04 08:11:00 [407096.880686] LNetError: 174158:0:(o2iblnd_cb.c:1582:kiblnd_send()) Can't setup GET sink for 172.19.1.112@o2ib100: -22
2017-10-04 08:11:00 [407096.893504] LustreError: 174158:0:(events.c:449:server_bulk_callback()) event type 5, status -5, desc ffff883ebaa9bb00
2017-10-04 08:12:40 [407196.901157] LustreError: 174158:0:(ldlm_lib.c:3186:target_bulk_io()) @@@ timeout on bulk WRITE after 100+0s  req@ffff883f27232850 x1579913603429696/t0(0) o1000->lquake-MDT0001-mdtlov_UUID@172.19.1.112@o2ib100:-1/-1 lens 352/0 e 0 to 0 dl 1507130003 ref 1 fl Interpret:/0/ffffffff rc 0/-1

The nodes have Mellanox ConnectX-4 IB adapters.

Issue Links

• is blocking: LU-10115 Backport appropriate patches to 2.8 FE for RHEL 7.4
• is related to: LU-10091 o2iblnd fast reg crash on shutdown
• is related to: LU-9983 LBUG llog_osd.c:327:llog_osd_declare_write_rec() - all DNE MDS