testing with syslog-ng 1.9.9 recently configured a pipe destination (config below) log processing to the pipe occurs as expected - then get a segmentation fault have seen it run perfectly for days, other times hours/minutes Linux distribution is FC4 (also RHEL 3 and 4) server has handled 500k-2M transactions daily over the past week (works fine when logging to file). below if the info I've collected so far. Let me know if you need additional. any ideas? strace -p {pid} output: time([1142745045]) = 1142745045 time([1142745045]) = 1142745045 gettimeofday({1142745045, 307328}, NULL) = 0 poll([{fd=6, events=POLLOUT, revents=POLLOUT}, {fd=4, events=POLLIN}, {fd=3, events=POLLIN}], 3, 550317) = 1 stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=1279, ...}) =0 write(6, "INSERT INTO logs (\n host,\n "..., 625) = 625 stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=1279, ...}) =0 write(6, "INSERT INTO logs (\n host,\n "..., 625) = 625 stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=1279, ...}) =0 write(6, "INSERT INTO logs (\n host,\n "..., 625) = 625 stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=1279, ...}) =0 write(6, "INSERT INTO logs (\n host,\n "..., 625) = 625 stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=1279, ...}) =0 write(6, "INSERT INTO logs (\n host,\n "..., 625) = 625 stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=1279, ...}) =0 write(6, "INSERT INTO logs (\n host,\n "..., 585) = 585 stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=1279, ...}) =0 write(6, "INSERT INTO logs (\n host,\n "..., 746) = 746 stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=1279, ...}) =0 write(6, "INSERT INTO logs (\n host,\n "..., 644) = -1 EAGAIN (Resource temporarily unavailable) gettimeofday({1142745045, 310203}, NULL) = 0 time(NULL) = 1142745045 time(NULL) = 1142745045 gettimeofday({1142745045, 310286}, NULL) = 0 time(NULL) = 1142745045 time(NULL) = 1142745045 --- SIGSEGV (Segmentation fault) @ 0 (0) --- kill(12488, SIGSEGV) = 0 sigreturn() = ? (mask now []) --- SIGSEGV (Segmentation fault) @ 0 (0) --- internal shows nothing out of the ordinary. daemon in foreground w/debug: Reducing stack by rule 2 (line 188), stmt ';' stmts -> stmts Stack now 0 9 25 Entering state 74 Reducing stack by rule 2 (line 188), stmt ';' stmts -> stmts Stack now 0 Entering state 8 Reducing stack by rule 1 (line 184), stmts -> start Stack now 0 Entering state 7 Now at end of input. Segmentation fault Here is the config: #------------------------------------------------------------------------- options { chain_hostnames(no); #default yes keep_hostname(yes); #default no create_dirs(no); #default use_dns(no); #default yes use_fqdn(no); #default owner(root); group(root); perm(0600); }; ############################################################################### # sources source abs_udp514 { udp(ip(0.0.0.0) port(514)); }; source abs_localhost { internal(); }; ############################################################################### # destinations destination abd_localhost { file( "/var/log/localhost.log" ); }; destination abd_mysql { pipe( "/tmp/mysql.pipe" template("INSERT INTO logs ( host, facility, priority, datetime, date, time, year, month, day, hour, min, sec, week, unixtime, tzoffset, tz, program, msg ) VALUES ( '$HOST', '$FACILITY', '$PRIORITY', '$YEAR-$MONTH-$DAY $HOUR:$MIN:$SEC', '$YEAR-$MONTH-$DAY', '$HOUR:$MIN:$SEC', '$YEAR', '$MONTH', '$DAY', '$HOUR', '$MIN', '$SEC', '$WEEK', '$UNIXTIME', '$TZOFFSET', '$TZ', '$PROGRAM', '$MSG');\n" ) template_escape(yes) ); }; ############################################################################### # logs log { source(abs_udp514); destination(abd_mysql); }; log { source(abs_localhost); destination(abd_localhost); }; # #------------------------------------------------------------------------- Thanks, The information transmitted (including attachments) is covered by the Electronic Communications Privacy Act, 18 U.S.C. 2510-2521, is intended only for the person(s) or entity/entities to which it is addressed and may contain confidential and/or privileged material. Any review, retransmission, dissemination or other use of, or taking of any action in reliance upon, this information by persons or entities other than the intended recipient(s) is prohibited. If you received this in error, please contact the sender and delete the material from any computer.