Disabling FIPS by setting fips=0 cause the system to panic.

Solution Unverified - Updated -


  • Disabling FIPS mode for os patching causes kernel panic with the message.
insmod: error inserting '/lib/tcrypt.ko': -1 Invalid request code
  • System boots fine with fips=1


  • Red Hat Enterprise Linux 5.9
  • fips enabled
  • mkinitrd >

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