A cifs share hangs with processes stuck in D-state after a network or SMB server disruption that causes the cifs client to reconnect.
Note that many conditions can cause a cifs share to hang. For specific signature of this problem, please see Diagnostic Steps.
- Red Hat Enterprise Linux 8
- seen on 4.18.0-147.el8
- some network or SMB server event that causes cifs client to reconnect
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