rngd: too many FIPS failures, disabling entropy source
Issue
- A tpm module for random number generation is being used and rngd stops occasionally
- rngd fails with errors:
Sep 4 19:37:20 host2 rngd: failed fips test
Sep 5 08:35:36 host2 rngd: failed fips test
Sep 5 17:01:37 host2 rngd: failed fips test
Sep 6 17:00:45 host2 rngd: failed fips test
Sep 6 17:00:45 host2 rngd: too many FIPS failures, disabling entropy source
Sep 6 17:00:45 host2 rngd: No entropy sources working, exiting rngd
rngd dead but subsys locked
Environment
- Red Hat Enterprise Linux 5
- 'rng-utils' prior to version 'rng-utils-2.0-5.el5'
- Red Hat Enterprise Linux 6, 7
rng-tools
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