[LU-13303] (import.c:361:ptlrpc_invalidate_import()) nbp1-OST0016_UUID: rc = -110 waiting for callback (1 != 0)

• Type: Bug
• Resolution: Incomplete
• Priority: Major
• Affects Version/s: Lustre 2.12.3
• Environment: client=2.12.3 ; server=2.12.3
• Severity: 3
• Assignee: Oleg Drokin
• Reporter: Mahmoud Hanafi

Description

During umount client gets stuck invalidating import

 

attaching full debug from client side. No errors reported on server side.

 00000100:00080000:0.0:1582834254.602927:0:43821:0:(pinger.c:412:ptlrpc_pinger_del_import()) removing pingable import 69fa9d68-b663-7a88-9df3-0f9930f72f9d->nbp1-OST0016_UUID
00000100:00080000:0.0:1582834254.603390:0:43821:0:(import.c:157:ptlrpc_deactivate_import_nolock()) setting import nbp1-OST0016_UUID INVALID
00000100:00020000:0.0:1582834356.986737:0:43821:0:(import.c:361:ptlrpc_invalidate_import()) nbp1-OST0016_UUID: rc = -110 waiting for callback (1 != 0)
00000100:00020000:0.0:1582834356.999173:0:43821:0:(import.c:387:ptlrpc_invalidate_import()) @@@ still on sending list  req@ffff8ea5e5192940 x1657225699614176/t0(0) o8->nbp1-OST0016-osc-ffff8eb45292f000@10.151.26.119@o2ib:28/4 lens 520/544 e 0 to 1 dl 1582832131 ref 2 fl UnregRPC:EXN/0/ffffffff rc -5/-1
00000100:00020000:0.0:1582834357.024877:0:43821:0:(import.c:401:ptlrpc_invalidate_import()) nbp1-OST0016_UUID: Unregistering RPCs found (1). Network is sluggish? Waiting them to error out.
00000100:00020000:0.0:1582834459.418739:0:43821:0:(import.c:361:ptlrpc_invalidate_import()) nbp1-OST0016_UUID: rc = -110 waiting for callback (1 != 0)
00000100:00020000:0.0:1582834459.431183:0:43821:0:(import.c:387:ptlrpc_invalidate_import()) @@@ still on sending list  req@ffff8ea5e5192940 x1657225699614176/t0(0) o8->nbp1-OST0016-osc-ffff8eb45292