[LU-4780] LNet NI shutdown may loop forever

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.6.0, Lustre 2.5.2
• Affects Version/s: Lustre 2.3.0, Lustre 2.6.0, Lustre 2.5.2, Lustre 2.4.3
• Labels: mn4
• Severity: 3
• Assignee: Liang Zhen (Inactive)
• Reporter: Liang Zhen (Inactive)

Description

This is found in DLC code review, lnet_shutdown_lndnis() may enter infinite loop if there is a busy NI, this is injected by LNet SMP improvements. I think it should be fixed in a separate patch: