Why does my Red Hat Enterprise Linux 4 or 5 CIFS client hang on shutdown or reboot when unmounting shares from a NetApp filer?
Updated -
Release Found. Red Hat Enterprise Linux 4 and 5. Older releases do not include CIFS and are not affected.
Problem
During reboot or shutdown when unmounting CIFS shares exported from a NetApp filer with certain versions of NetApp ONTAP the Red Hat Enterprise Linux CIFS client will hang.
This issue is characterized by kernel messages like the following:
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