[LU-14499] o2iblnd: LU-13368 changes cause shutdown procedure to not complete

• Type: Bug
• Resolution: Fixed
• Priority: Major
• Fix Version/s: Lustre 2.16.0
• Severity: 3
• Assignee: Serguei Smirnov
• Reporter: Serguei Smirnov

Description

Changes applied by the patches from LU-13368 appear to be causing the o2iblnd shutdown procedure to not complete properly sometimes on lustre_rmmod:

In that case, messages similar to the following keep showing up in the log:

[51025.354675] LNet: 9402:0:(o2iblnd.c:3107:kiblnd_shutdown()) 10.1.11.124@o2ib10: waiting for 3 peers to disconnect
[51029.354481] LNet: 9402:0:(o2iblnd.c:3107:kiblnd_shutdown()) 10.1.11.124@o2ib10: waiting for 3 peers to disconnect
[51037.353971] LNet: 9402:0:(o2iblnd.c:3107:kiblnd_shutdown()) 10.1.11.124@o2ib10: waiting for 3 peers to disconnect

 

Issue Links

• is related to: LU-13368 lnet may be trying to use deleted routes leading to errors kiblnd_rejected(): 10.0.10.212@o2ib7 rejected: consumer defined fatal error
• is related to: LU-13638 lnet: discard the callback