I tried shutdown/reset/reload the module, but no luck.
FW# failover exec standby sh module
Mod Card Type Model Serial No.
--- -------------------------------------------- ------------------ -----------
0 ASA 5525-X with SW, 8 GE Data, 1 GE Mgmt, AC ASA5525 FCH16317D7G
ips ASA 5525-X IPS Security Services Processor ASA5525-IPS FCH16317D7G
Mod MAC Address Range Hw Version Fw Version Sw Version
--- --------------------------------- ------------ ------------ ---------------
0 30f7.0d47.dcac to 30f7.0d47.dcb5 1.0 2.1(9)8 9.0(4)37
ips 30f7.0d47.dcaa to 30f7.0d47.dcaa N/A N/A 7.1(6)E4
Mod SSM Application Name Status SSM Application Version
--- ------------------------------ ---------------- --------------------------
ips IPS Not Applicable 7.1(6)E4
Mod Status Data Plane Status Compatibility
--- ------------------ --------------------- -------------
0 Up Sys Not Applicable
ips Init Not Applicable
Mod License Name License Status Time Remaining
--- -------------- --------------- ---------------
ips IPS Module Enabled perpetual