Symptom

Catalyst 9300 stack have periodic reloads due to CMAN IPC process. Switch Ports Model SW Version SW Image Mode ------ ----- ----- ---------- ---------- ---- * 1 65 C9300-48U 17.03.04 CAT9K_IOSXE BUNDLE 2 65 C9300-48U 17.03.04 CAT9K_IOSXE BUNDLE 3 65 C9300-48U 17.03.04 CAT9K_IOSXE BUNDLE 4 65 C9300-48U 17.03.04 CAT9K_IOSXE BUNDLE 5 65 C9300-48U 17.03.04 CAT9K_IOSXE BUNDLE 6 65 C9300-48U 17.03.04 CAT9K_IOSXE BUNDLE

Conditions

We might see power supply errors prior to the crash: %PLATFORM_FEP-1-FRU_PS_ACCESS: Switch 2: power supply B is responding %PLATFORM_FEP-1-FRU_PS_ACCESS: Switch 2: power supply B is not responding %PLATFORM_FEP-1-FRU_PS_ACCESS: Switch 2: power supply B is responding

Workaround

Further Problem Description