Specifications

20
Caveats for Cisco IOS Release 12.0
78-6455-12
TCP/IP Host-Mode Services
TCP/IP Host-Mode Services
• CSCds29458
A Cisco 7500 series router with three Channel Interface Processor v2 (CIPv2) experiences a
software-forced reload and the following error messages are produced:
System was restarted by error - a software forced reload, PC 0x6023C070
Route/Switch Processor (RSP) Software (RSP-JSV-M), Cisco IOS Release12.0(10), RELEASE
SOFTWARE (fc1) Compiled Tue 21-Mar-00 00:34 by phanguye Image text-base: 0x60010930,
data-base: 0x60EF6000
Stack trace from system failure: FP: 0x61C9C270, RA: 0x6023C070 FP: 0x61C9C270, RA:
0x6023A89C FP: 0x61C9C288, RA: 0x60243A00 FP: 0x61C9C2A0, RA: 0x60243D48 FP: 0x61C9C2D0,
RA: 0x60238C68 FP: 0x61C9C2F8, RA: 0x603344C0 FP: 0x61C9C340, RA: 0x603350F8 FP:
0x61C9C378, RA: 0x60331544
The log in the reload information file displays the following error messages:
Aug 24 09:05:58.642 UTC-08d: %TCP-2-INVALIDTCB: Invalid TCB pointer: 0x61C176BC
-Process= "Exec", ipl= 0, pid= 27 -Traceback= 6032FC8C 6032C5F8 60334080 601B0B3C
6033900C 603344D8 603350F8 60331544 60863C88 60870B90 6086427C 6033409C 601B0B3C
6033900C 603344D8 603350F8 Aug 24 09:05:58.642 UTC-08d: %SYS-6-STACKLOW: Stack for
process Exec running low, 0/12000 Aug 24 09:05:58.642 UTC-08d: %SYS-3-LOGGER_FLUSHED:
System was paused for 00:00:00 to ensure console debugging output.
The stack trace decodes as follows:
0x6023C070:abort(0x6023c068)+0x8 Enter hex value: 0xRA::__start(0x60010000)+0x9fff0000
0x6023A89C:crashdump(0x6023a88c)+0x10 Enter hex value:
0xRA::__start(0x60010000)+0x9fff0000
0x60243A00:process_run_degraded_or_crash(0x602439ac)+0x54 Enter hex value:
0xRA::__start(0x60010000)+0x9fff0000
0x60243D48:process_ok_to_reschedule(0x60243a30)+0x318 Enter hex value:
0xRA::__start(0x60010000)+0x9fff0000 0x60238C68:edisms(0x60238c20)+0x48 Enter hex
value: 0xRA::__start(0x60010000)+0x9fff0000
0x603344C0:send_byte_block(0x60334448)+0x78 Enter hex value:
0xRA::__start(0x60010000)+0x9fff0000 0x603350F8:tnof(0x60334c04)+0x4f4
The tracebacks after the TCP-2-INVALIDTCB messages decode as follows:
0x6032C5F8:tcp_close(0x6032c5e4)+0x14 0x60334080:close_connection(0x60333fb4)+0xcc
0x601B0B3C:conn_session(0x601b0a3c)+0x100 0x6033900C:tty_status_ok(0x60338fb0)+0x5c
0x603344D8:send_byte_block(0x60334448)+0x90 0x603350F8:tnof(0x60334c04)+0x4f4
0x60331544:tcp_putc(0x60331410)+0x134 0x60863C88:_putchar(0x60863c20)+0x68
0x60870B90:Ctputs(0x60870ac8)+0xc8 0x6086427C:tn3270_conn_terminate(0x6086421c)+0x60
0x6033409C:close_connection(0x60333fb4)+0xe8
0x601B0B3C:conn_session(0x601b0a3c)+0x100
There is no workaround.
Wide-Area Networking
• CSCdk22864
The show cmns EXEC command is no longer available in Cisco IOS Release 11.3. There is no
workaround.