User initiated diagnostic crash via the serial console

Remotely triggers a diagnostic reset of the switch via a serial console. This reset reboots the switch and collects diagnostic data for debugging an application hang, a system hang or any other rare occurrence. Diagnostic reset is controlled via FPS options.

The serial sequence to initiate the User Initiated Diagnostic Reset via Serial console is Ctrl+S, Ctrl+T, Ctrl+Q, Ctrl+T, Ctrl+S.

Front-panel-security diagnostic-reset serial-console

In the configure context:

Syntax

front-panel-security diagnostic-reset serial-console

Enables the diagnostic-reset via serial console. Allows the user to perform diagnostic reset by keying-in diagnostic reset sequence.

Front-panel-security diagnostic-reset serial-console

front-panel-security diagnostic-reset serial-console

Diagnostic Reset     - Enabled
clear-button       - Disabled
serial-console     - Enabled

[No] front-panel-security diagnostic-reset serial-console

In the configure context:

Syntax

[no] front-panel-security diagnostic-reset serial-console

Description

Disables the diagnostic-reset via serial console.

No front-panel-security diagnostic-reset serial-console

no front-panel-security diagnostic-reset serial-console

Diagnostic Reset     - Disabled

[CAUTION: ]

CAUTION: Disabling the diagnostic reset prevents the switch from capturing diagnostic data on those rare events where the switch becomes unresponsive to user input because of unknown reasons. Ensure that you are familiar with the front panel security options before proceeding.


Serial console error messages

Error

Message

RMON_BOOT_CRASH_RECORD1

Diagnostic reset sequence detected on serial console; user has initiated diagnostic reset.

RMON_BOOT_CRASH_RECORD1

SMM: Diagnostic reset sequence detected on serial console; user has initiated diagnostic reset.

RMON_BOOT_CRASH_RECORD1

STKM: Diagnostic reset sequence detected on serial console; user has initiated diagnostic reset.

RMON_BOOT_CRASH_RECORD1

User has initiated diagnostic reset via the serial console.

RMON_BOOT_CRASH_RECORD1

SMM: User has initiated diagnostic reset via the serial console.

RMON_BOOT_CRASH_RECORD1

STKM: User has initiated diagnostic reset via the serial console.

Console print

STKM: HA Sync in progress; user initiated diagnostic request via the serial console rejected. Retry after sometime.

Console print

STKM: Member is booting; user initiated diagnostic request via the serial console rejected. Retry after sometime.