V-16-2-13026
monitor procedure use netsta -I en command to obtain the information about MTU , underlying netstat was trying to reverse look up the address and was unable to connect to DNS server. Following processes stack is observed.
System1(root)/home/root # procstack 19136624
19136624: /usr/bin/netstat -I en
0x0900000000117984 connect(??, ??, ??) + 0x144
0x09000000001064f0 res_nsend(0x9001000a0024648, 0xfffffffffffe340, 0x2d0000002d, 0xfffffffffffeca4, 0x40000000400) + 0x730
0x090000000013185c res_nquery(??, ??, ??, ??, ??, ??) + 0xbc
0x090000000010e270 res_query(??, ??, ??, ??, ??) + 0x110
0x0900000000140288 ho_byaddr(??, ??, ??, ??) + 0x2c8
0x09000000001692c4 ho_byaddr(??, ??, ??, ??) + 0x424
0x090000000010cc70 gethostbyaddr(??, ??, ??) + 0x90
0x0000000100012300 routename(0xa9fe994900000000) + 0xc0
0x000000010001e890 intpr(0x0, 0x2b77c20) + 0x4d0
0x0000000100001ec8 main(0x3, 0xffffffffffff7f0) + 0x1028
0x0000000100000268 __start() + 0x70
review name resolution and verify the communication between client and DNS server is allowed. removing the problem DNS server from /etc/resolv.conf have resolved the issue.
Applies To
Veritas Cluster Server 5.1 SP1 running on AIX 6.1