Hello<br><br>It not so terrible, but...<br><br>When we use UDPU transport in corosync,if call crm ra classes, it wiil hung, and no any suspicious entries in log. as i understand the realy hung lrmadmin with the follow trace<br>
<br>brk(0) = 0x9b91000<br>brk(0x9bb2000) = 0x9bb2000<br>gettimeofday({1331550574, 77275}, NULL) = 0<br>socket(PF_FILE, SOCK_STREAM, 0) = 3<br>fcntl64(3, F_GETFL) = 0x2 (flags O_RDWR)<br>
fcntl64(3, F_SETFL, O_RDWR|O_NONBLOCK) = 0<br>connect(3, {sa_family=AF_FILE, path="/var/run/heartbeat/lrm_cmd_sock"}, 110) = 0<br>getsockopt(3, SOL_SOCKET, SO_PEERCRED, "\243\10\0\0\0\0\0\0\0\0\0\0", [12]) = 0<br>
getegid32() = 0<br>getuid32() = 0<br>recv(3, 0x9b92bc8, 4072, MSG_DONTWAIT) = -1 EAGAIN (Resource temporarily unavailable)<br>poll([{fd=3, events=0}], 1, 0) = 0 (Timeout)<br>
recv(3, 0x9b92bc8, 4072, MSG_DONTWAIT) = -1 EAGAIN (Resource temporarily unavailable)<br>poll([{fd=3, events=0}], 1, 0) = 0 (Timeout)<br>send(3, "E\0\0\0\315\253\0\0>>>\nlrm_t=reg\nlrm_app=lr"..., 77, MSG_DONTWAIT|MSG_NOSIGNAL) = 77<br>
recv(3, 0x9b92bc8, 4072, MSG_DONTWAIT) = -1 EAGAIN (Resource temporarily unavailable)<br>poll([{fd=3, events=0}], 1, 0) = 0 (Timeout)<br>recv(3, 0x9b92bc8, 4072, MSG_DONTWAIT) = -1 EAGAIN (Resource temporarily unavailable)<br>
poll([{fd=3, events=0}], 1, 0) = 0 (Timeout)<br>recv(3, 0x9b92bc8, 4072, MSG_DONTWAIT) = -1 EAGAIN (Resource temporarily unavailable)<br>poll([{fd=3, events=0}], 1, 0) = 0 (Timeout)<br>recv(3, 0x9b92bc8, 4072, MSG_DONTWAIT) = -1 EAGAIN (Resource temporarily unavailable)<br>
poll([{fd=3, events=0}], 1, 0) = 0 (Timeout)<br>poll([{fd=3, events=POLLIN}], 1, -1^C <unfinished ...><br><br>