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Appendix A
Using the ROM Monitor
sysreset
To display information about the system image that was last booted, use the sysreset command in ROM
monitor mode.
Syntax Description
This command has no arguments or keywords.
Defaults
No default behavior or values.
Command Modes
ROM monitor
Command History
Release
11.3 NA
12.1(5)EC
12.2(4)BC1
Usage Guidelines
The sysreset command displays the information about the last system image that was booted and then
terminated. This includes the reason for why the last image ended its execution, the values of the
program counter and error address registers when the program ended execution, and a stack trace holding
the last eight frames. Any exception information is also shown.
Examples
The following example shows a typical display from the sysret command:
rommon 22 > sysret
System Return Info:
count: 19,
pc:0x6053059c,
Stack Trace:
FP: 0x6558b0d0, PC: 0x6053059c
FP: 0x6558b0d0, PC: 0x605163a4
FP: 0x6558b0e8, PC: 0x60535b84
FP: 0x6558b170, PC: 0x60488c50
FP: 0x6558b268, PC: 0x60474aa8
FP: 0x6558b2c8, PC: 0x6014d5d0
FP: 0x6558b2e8, PC: 0x60487928
FP: 0x6558b378, PC: 0x604fe80c
rommon 23 >
OL-1581-07
sysreset
Modification
This command was introduced on Cisco uBR7200 series routers.
Support was added for Cisco uBR7100 series routers.
Support was added for the Cisco uBR10012 router. Changes were also made
to the boot procedure after breaking into ROMMON to ensure that all
hardware and software registers are in a known state before loading the new
image.
reason: user reload
error address: 0x0
Cisco Broadband Cable Command Reference Guide
sysreset
A-45
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