Hello everybody! I'm having some issues using net-snmp on freeBSD 11.1. NET-SNMP Version: 5.7.3.
I have some "pass" scripts on my snmpd.conf which call a shell script to check some information from ipfw. If I execute the shell script manually the time to response is almost "instantaneous" if I try to do it a snmpget it takes 1 second or more, and eventually timeout ... Sometimes when the daemon keeps running for a long time, it consumes all CPU and hang. Using truss "truss -d -D -f -o truss_debug.tmp -p <SNMPD_PID>" I can see a lot of "ERR # 9 'Bad file descriptor' " messages. I have found this bug https://sourceforge.net/p/net-snmp/bugs/2596/, that which is expected to be patched on my net-snmp version. Can somebody help? --- partial truss log below: " (...) 31737: 8.760443942 0.000050775 getsockname(8,{ AF_INET 0.0.0.0:161 },0x7fffffffe6b8) = 0 (0x0) 31737: 8.760959163 0.000068585 pipe2(0x7ffffffde9d8,0) = 0 (0x0) 31737: 8.761118820 0.000059085 pipe2(0x7ffffffde9d0,0) = 0 (0x0) 31737: 8.761325342 0.000057131 sigprocmask(SIG_BLOCK,{ SIGHUP|SIGINT|SIGQUIT|SIGILL|SIGTRAP|SIGABRT|SIGEMT|SIGFPE|SIGKILL|SIGBUS|SIGSEGV|SIGSYS|SIGPIPE|SIGALRM|SIGTERM|SIGURG|SIGSTOP|SIGTSTP|SIGCONT|SIGCHLD|SIGTTIN|SIGTTOU|SIGIO|SIGXCPU|SIGXFSZ|SIGVTALRM|SIGPROF|SIGWINCH|SIGINFO|SIGUSR1|SIGUSR2 },{ }) = 0 (0x0) 49714: 8.762116087 0.000000000 <new process> 31737: 8.762141649 0.000709589 fork() = 49714 (0xc232) 49714: 8.762295510 0.000036108 thr_self(0x804616000) = 0 (0x0) 31737: 8.762325752 0.000043582 sigprocmask(SIG_SETMASK,{ },0x0) = 0 (0x0) 31737: 8.762519911 0.000098616 close(9) = 0 (0x0) 49714: 8.762549943 0.000038203 sysarch(AMD64_SET_FSBASE,0x7ffffffc1358) = 0 (0x0) 49714: 8.762716166 0.000080877 sigprocmask(SIG_SETMASK,{ },0x0) = 0 (0x0) 31737: 8.762768128 0.000109651 close(12) = 0 (0x0) 49714: 8.762878128 0.000029054 close(0) = 0 (0x0) 31737: 8.762903411 0.000037854 close(10) = 0 (0x0) 49714: 8.763153793 0.000065512 dup(0x9) = 0 (0x0) 49714: 8.763300460 0.000054546 close(10) = 0 (0x0) 49714: 8.763464238 0.000053917 close(1) = 0 (0x0) 49714: 8.763605318 0.000049867 dup(0xc) = 1 (0x1) 49714: 8.763740112 0.000048819 close(11) = 0 (0x0) 49714: 8.763864011 0.000046515 close(2) = 0 (0x0) 49714: 8.763985326 0.000046445 dup(0x1) = 2 (0x2) 49714: 8.764134158 0.000047911 getdtablesize() = 1886130 (0x1cc7b2) 49714: 8.764255961 0.000047073 close(1886129) ERR#9 'Bad file descriptor' 49714: 8.764371200 0.000041276 close(1886128) ERR#9 'Bad file descriptor' 49714: 8.764493283 0.000047422 close(1886127) ERR#9 'Bad file descriptor' 49714: 8.764609709 0.000041276 close(1886126) ERR#9 'Bad file descriptor' 49714: 8.764718243 0.000040369 close(1886125) ERR#9 'Bad file descriptor' 49714: 8.764827125 0.000041276 close(1886124) ERR#9 'Bad file descriptor' 49714: 8.764935869 0.000041346 close(1886123) ERR#9 'Bad file descriptor' 49714: 8.765045729 0.000041276 close(1886122) ERR#9 'Bad file descriptor' 49714: 8.765160549 0.000039949 close(1886121) ERR#9 'Bad file descriptor' 49714: 8.765272435 0.000038343 close(1886120) ERR#9 'Bad file descriptor' 49714: 8.765375940 0.000038343 close(1886119) ERR#9 'Bad file descriptor' 49714: 8.765494321 0.000045397 close(1886118) ERR#9 'Bad file descriptor' (...) " -- []'s Lívio Zanol Puppim
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