sendmsg systemcall donot response

[keegan321]

Winxp l2tp/ipsec vpn clinet say 678 error;
linux socket has set O_NONBLOCK flag;

#strace -p `echo /var/run/xl2ptd.pid`
Process 18990 attached - interrupt to quit
gettimeofday({1265032002, 217948}, NULL) = 0
gettimeofday({1265032002, 218242}, NULL) = 0
sendmsg(3, {msg_name(16)={sa_family=AF_INET, sin_port=htons(1701), sin_addr=inet_addr("61.144.61.126")}, msg_iov(1)=[{"\310\2\0\24\0\335\0\0\0\354\0\5\200\10\0\0\0\0\0 \6"..., 20}], msg_controllen=0, msg_flags=0}, 0^C <unfinished ...>

#kill -0 `echo /var/run/xl2tpd.pid`; echo $?
#0

linux version is 2.6.25, xl2tpd version is 1.2.4

[Rubberman]

So, what are you trying to accomplish and what exactly is your problem? Your header says "sendmsg systemcall donot response". That's not particularly enlightening...

[keegan321]

The xl2tpd process do not receive any packet