R77.10 / R77.20 VSX Gateway intermittently stops passing traffic during high traffic load

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Technical Level

Solution ID	sk102310
Technical Level
Product	VSX, Quantum Appliances
Version	R77.10 (EOL), R77.20
OS	Gaia
Platform / Model	2000, 4000, 12000 VSX (EOL), 21000 VSX (EOL), IP1280 (EOL), IP2450 (EOL), Intel/PC, Power-1 (EOL), UTM-1 (EOL), VSX-1 (EOL), 13000
Date Created	03-Sep-2014
Last Modified	26-May-2015

Symptoms

R77.10 / R77.20 VSX Gateway intermittently stops passing traffic.
After enabling generation of core dump files per sk92764, core dump files for 'fwk' process were generated in the /var/log/dump/usermode/ directory.

Core dump file for 'fwk' process contains the following functions at the top of the stack:

(gdb) bt 
#0  fwchain_do_deliver_ex (chain=0x...) at fwchain.c
#1  0x... in fwchain_do_deliver_ (chain=0x...) at fwchain.c
... ... ...

Cause

'fwk' process might crash under high traffic load.

Solution

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