[LU-8206] ptlrpc_invalidate_import ( ASSERTION( imp->imp_invalid ) failed

• Type: Bug
• Resolution: Won't Fix
• Priority: Minor
• Affects Version/s: Lustre 2.5.4
• Labels: llnl
• Environment: PowerPC64 BG/Q LAC node; lustre-2.5.4-16chaos
• Severity: 3
• Assignee: Yang Sheng
• Reporter: Ned Bass (Inactive)

Description

Hit this ASSERT after bringing servers back up after a TOSS update. System is classified. Rough transcript of console log:

2016-05-25 12:00:10 Lustre: fs1-0ST0051-osc-c00000000304ef4800: Connection restored to fs1-OST0051 ...
2016-05-25 12:00:10 skipped 100 previous similar messages
2016-05-25 12:01:00 LustreError: 27198:0:(import.c:296:ptlrpc_invalidate_import()) ASSERTION ( imp->imp_invalid ) failed:

show_stack
libcfs_debugdumpstack
lbug_with_loc
ptlrpc_invalidate_import
ptlrpc_invalidate_import_thread
kthread
kernel_thread

Issue Links

• is related to: LU-5420 Failure on test suite sanity test_17m: mount MDS failed, Input/output error
• is related to: LU-4913 mgc import reconnect race