[LU-11692] lustre kernel panic - (niobuf.c:330:ptlrpc_register_bulk()) LBUG

• Type: Bug
• Resolution: Duplicate
• Priority: Minor
• Affects Version/s: Lustre 2.10.2
• Severity: 3
• Assignee: Andreas Dilger
• Reporter: Campbell Mcleay (Inactive)

Description

We get the following error on occasion on our Lustre gateways (Lustre clients exporting filesystems over NFS for non-Lustre clients):

 

cmcl@foxtrot3 ~ -bash$
Message from syslogd@foxtrot3 at Nov 15 20:20:25 ...
kernel:LustreError: 3501:0:(niobuf.c:330:ptlrpc_register_bulk()) ASSERTION( desc->bd_md_count == 0 ) failed:

Message from syslogd@foxtrot3 at Nov 15 20:20:25 ...
kernel:LustreError: 3501:0:(niobuf.c:330:ptlrpc_register_bulk()) LBUG

Message from syslogd@foxtrot3 at Nov 15 20:20:25 ...
kernel:Kernel panic - not syncing: LBUG
packet_write_wait: Connection to 10.21.22.32 port 22: Broken pipe

 

Issue Links

• duplicates: LU-8573 IOR: niobuf.c:319:ptlrpc_register_bulk()) ASSERTION( desc->bd_md_count == 0 ) failed
• duplicates: LU-11647 niobuf.c:330:ptlrpc_register_bulk()) ASSERTION( desc->bd_md_count == 0 ) failed: