NFS mount fails with 'Cannot allocate memory'
Issue
We are seeing intermittent failures of the automounter when mounting NFS file systems. Enabling automounter debugging logs memory allocation errors.
Feb 12 09:30:08 server automount[1234]: do_spawn: >> mount.nfs: Cannot allocate memory
Feb 12 09:40:44 server automount[1234]: do_spawn: >> mount.nfs: Cannot allocate memory
Feb 12 09:40:44 server automount[1234]: do_spawn: >> mount.nfs: Cannot allocate memory
Feb 12 10:02:01 server automount[1234]: do_spawn: >> mount.nfs: Cannot allocate memory
Environment
Red Hat Enterprise Linux 9
- kernel-5.14.0-503.38.1.el9_5.x86_64
- kernel-5.14.0-570.16.1.el9_6.x86_64
- NFS version 4.0 or 3.0
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