Public bug reported:
The max number of sec=krb5 mounts that rpc.gssd will handle is hardcoded at 32.
From utils/gssd/gssd.h:
#define FD_ALLOC_BLOCK 32
This causes problems and errors like:
RPC: AUTH_GSS upcall timed out.
when the number of kerberized nfs mounts approaches the hard limit.
Since linux supports a maximum of 256 nfs mounts, perhaps this number
can be upped to 200 or so.
** Affects: nfs-utils (Ubuntu)
Importance: Undecided
Status: New
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rpc.gssd FD_ALLOC_BLOCK too low
https://bugs.launchpad.net/bugs/191872
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