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system soft hang
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Blinux
Dec 14, 2008, 10:23:56 PM12/14/08
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Hi All,
On our embedded system, running generic Linux kernel, we run a bash
scripts that sets the firewall through iptables in our system. The
script runs in RR
class of scheduler. Under stress test (running the script
continously), the system gets into the soft hang. Using sysrq, the
only process which is running is the firewall script, and the only
way to get out of the hang state is to send "nice" command (lower
priorty of the script) through sysrq.
On our embedded system, running generic Linux kernel, we run a bash
scripts that sets the firewall through iptables in our system. The
script runs in RR
class of scheduler. Under stress test (running the script
continously), the system gets into the soft hang. Using sysrq, the
only process which is running is the firewall script, and the only
way to get out of the hang state is to send "nice" command (lower
priorty of the script) through sysrq.
Any help to find out how to debug this problem is greatly
appreiciated.
Many thanks in advance,
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