Greetings All I have managed to strace the 'looped' imap process. I did the following. Restarted cyrus and opened a mailbox with squirrel. Started STrace on the pid. I then opened mail until the imapd process started using all available cpu cycles. This is the strace output:
[EMAIL PROTECTED] root]# cat imap.trace | more accept(4, 0, NULL) = 0 fcntl64(7, F_SETLKW, {type=F_UNLCK, whence=SEEK_SET, start=0, len=0}) = 0 alarm(0) = 42 getpid() = 15239 getpeername(0, {sin_family=AF_INET, sin_port=htons(37838), sin_addr=inet_addr("1 27.0.0.1")}}, [16]) = 0 getpeername(0, {sin_family=AF_INET, sin_port=htons(37838), sin_addr=inet_addr("1 27.0.0.1")}}, [16]) = 0 getsockname(0, {sin_family=AF_INET, sin_port=htons(143), sin_addr=inet_addr("127 .0.0.1")}}, [16]) = 0 open("/etc/hosts.allow", O_RDONLY) = 1 fstat64(1, {st_mode=S_IFREG|0644, st_size=161, ...}) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x40 241000 read(1, "#\n# hosts.allow\tThis file descri"..., 4096) = 161 read(1, "", 4096) = 0 close(1) = 0 munmap(0x40241000, 4096) = 0 open("/etc/hosts.deny", O_RDONLY) = 1 fstat64(1, {st_mode=S_IFREG|0644, st_size=347, ...}) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x40 241000 read(1, "#\n# hosts.deny\tThis file describ"..., 4096) = 347 read(1, "", 4096) = 0 close(1) = 0 munmap(0x40241000, 4096) = 0 write(3, "\2\0\0\0", 4) = 4 time([1069742951]) = 1069742951 getpid() = 15239 rt_sigaction(SIGPIPE, {0x420d6aa0, [], SA_RESTORER, 0x42028c48}, {SIG_IGN}, 8) = 0 send(9, "<183>Nov 25 08:49:11 imapd[15239"..., 54, 0) = 54 rt_sigaction(SIGPIPE, {SIG_IGN}, NULL, 8) = 0 dup2(0, 1) = 1 dup2(0, 2) = 2 write(3, "\3\0\0\0", 4) = 4 getpeername(0, {sin_family=AF_INET, sin_port=htons(37838), sin_addr=inet_addr("1 27.0.0.1")}}, [16]) = 0 socket(PF_UNIX, SOCK_STREAM, 0) = 8 connect(8, {sin_family=AF_UNIX, path="/var/run/.nscd_socket"}, 110) = -1 ENOENT (No such file or directory) close(8) = 0 open("/etc/hosts", O_RDONLY) = 8 fcntl64(8, F_GETFD) = 0 fcntl64(8, F_SETFD, FD_CLOEXEC) = 0 fstat64(8, {st_mode=S_IFREG|0644, st_size=288, ...}) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x40 241000 read(8, "# Do not remove the following li"..., 4096) = 288 close(8) = 0 munmap(0x40241000, 4096) = 0 getsockname(0, {sin_family=AF_INET, sin_port=htons(143), sin_addr=inet_addr("127 .0.0.1")}}, [16]) = 0 getpid() = 15239 open("/var/imap/proc/15239", O_RDWR|O_CREAT|O_TRUNC, 0666) = 8 fstat64(8, {st_mode=S_IFREG|0600, st_size=0, ...}) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x40 241000 _llseek(8, 0, [0], SEEK_SET) = 0 write(8, "localhost.localdomain[127.0.0.1]"..., 33) = 33 _llseek(8, 0, [33], SEEK_CUR) = 0 ftruncate(8, 33) = 0 open("/var/imap/msg/motd", O_RDONLY) = -1 ENOENT (No such file or directory) select(1, [0], NULL, NULL, {0, 0}) = 0 (Timeout) write(1, "* OK XServerII Cyrus IMAP4 v2.1."..., 49) = 49 time(NULL) = 1069742951 select(1, [0], NULL, NULL, {1800, 0}) = 1 (in [0], left {1799, 997983}) time(NULL) = 1069742951 read(0, "A001 LOGIN \"warren\" \"password\"\r\n", 4096) = 32 socket(PF_UNIX, SOCK_STREAM, 0) = 10 fcntl64(10, F_GETFL) = 0x2 (flags O_RDWR) connect(10, {sin_family=AF_UNIX, path="/var/lib/mysql/mysql.sock"}, 110) = 0 setsockopt(10, SOL_IP, IP_TOS, [8], 4) = -1 EOPNOTSUPP (Operation not supported ) setsockopt(10, SOL_SOCKET, SO_KEEPALIVE, [1], 4) = 0 read(10, "(\0\0\0", 4) = 4 read(10, "\n3.23.52\0S\25\0\0r*u13Mf=\0, \10\2\0\0\0\0\0\0"..., 40) = 40 geteuid32() = 503 ioctl(0, SNDCTL_TMR_TIMEBASE, 0xbfffba90) = -1 EINVAL (Invalid argument) geteuid32() = 503 open("/etc/passwd", O_RDONLY) = 11 fcntl64(11, F_GETFD) = 0 fcntl64(11, F_SETFD, FD_CLOEXEC) = 0 fstat64(11, {st_mode=S_IFREG|0644, st_size=2341, ...}) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x40 242000 read(11, "root:x:0:0:root:/root:/bin/bash\n"..., 4096) = 2341 close(11) = 0 munmap(0x40242000, 4096) = 0 write(10, "\v\0\0\1\205 \0\0\0cyrus\0", 15) = 15 read(10, "\5\0\0\2", 4) = 4 read(10, "\0\0\0\2\0", 5) = 5 fcntl64(10, F_SETFL, O_RDWR|O_NONBLOCK) = 0 read(10, 0x812e470, 8192) = -1 EAGAIN (Resource temporarily unavai lable) fcntl64(10, F_SETFL, O_RDWR) = 0 write(10, "\1\0\0\0\2", 5) = 5 read(10, "\27\0\0\1", 4) = 4 read(10, "\377\26\4No Database Selected", 23) = 23 fcntl64(10, F_SETFL, O_RDWR|O_NONBLOCK) = 0 read(10, 0x812e470, 8192) = -1 EAGAIN (Resource temporarily unavai lable) fcntl64(10, F_SETFL, O_RDWR) = 0 write(10, "\1\0\0\0\1", 5) = 5 shutdown(10, 2 /* send and receive */) = 0 close(10) = 0 socket(PF_UNIX, SOCK_STREAM, 0) = 10 fcntl64(10, F_GETFL) = 0x2 (flags O_RDWR) connect(10, {sin_family=AF_UNIX, path="/var/lib/mysql/mysql.sock"}, 110) = 0 setsockopt(10, SOL_IP, IP_TOS, [8], 4) = -1 EOPNOTSUPP (Operation not supported ) setsockopt(10, SOL_SOCKET, SO_KEEPALIVE, [1], 4) = 0 read(10, "(\0\0\0", 4) = 4 read(10, "\n3.23.52\0T\25\0\0MUC/`uNf\0, \10\2\0\0\0\0\0\0"..., 40) = 40 geteuid32() = 503 ioctl(0, SNDCTL_TMR_TIMEBASE, 0xbfffba90) = -1 EINVAL (Invalid argument) geteuid32() = 503 open("/etc/passwd", O_RDONLY) = 11 fcntl64(11, F_GETFD) = 0 fcntl64(11, F_SETFD, FD_CLOEXEC) = 0 fstat64(11, {st_mode=S_IFREG|0644, st_size=2341, ...}) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x40 242000 read(11, "root:x:0:0:root:/root:/bin/bash\n"..., 4096) = 2341 close(11) = 0 munmap(0x40242000, 4096) = 0 write(10, "\v\0\0\1\205 \0\0\0cyrus\0", 15) = 15 read(10, "\5\0\0\2", 4) = 4 read(10, "\0\0\0\2\0", 5) = 5 fcntl64(10, F_SETFL, O_RDWR|O_NONBLOCK) = 0 read(10, 0x812e470, 8192) = -1 EAGAIN (Resource temporarily unavai lable) fcntl64(10, F_SETFL, O_RDWR) = 0 write(10, "\1\0\0\0\2", 5) = 5 read(10, "\27\0\0\1", 4) = 4 read(10, "\377\26\4No Database Selected", 23) = 23 fcntl64(10, F_SETFL, O_RDWR|O_NONBLOCK) = 0 read(10, 0x812e470, 8192) = -1 EAGAIN (Resource temporarily unavai lable) fcntl64(10, F_SETFL, O_RDWR) = 0 write(10, "\1\0\0\0\1", 5) = 5 shutdown(10, 2 /* send and receive */) = 0 close(10) = 0 socket(PF_UNIX, SOCK_STREAM, 0) = 10 connect(10, {sin_family=AF_UNIX, path="/var/run/saslauth/mux"}, 110) = 0 writev(10, [{"\0\6warren\0\10password\0\4imap\0\0", 26}], 1) = 26 read(10, "", 2) = 0 read(10, "", 2) = 0 read(10, "", 2) = 0 read(10, "", 2) = 0 read(10, "", 2) = 0 read(10, "", 2) = 0 read(10, "", 2) = 0 read(10, "", 2) = 0 At this point the last line repeats indefinitely. The only output from the trace that has been editored is the password, changed to 'password'. Any Ideas of what the problem is? Regards Warren Quoting [EMAIL PROTECTED]: > Greetings > > I have been setting up a new cyrus-postfix-amavis(new)-spamassassin system > and > have come across a problem. Cyrus master starts without problems. I can send > > messages and I can usually view the message. But for some reason, after > viewing > a few messages the imapd process starts using 100% of CPU. > > Unfortunately there is very little other info that I can send. The imapd.log > > shows nothing unusual. The only entry that resembles a problem is > > Nov 24 15:09:13 xserverii imapd[10410]: SQUAT failed to open index file > Nov 24 15:09:13 xserverii imapd[10410]: SQUAT failed > > but after a google or two it seems that this is normal. > > Messages logs shows nothing unusual. Neither does maillog or auth.log. > > I can always reproduce the problem by using squirrel mail (outlook also shows > > shows the same problem so it is not a client problem) by going though the > first > 6 emails. Before the end of the list the problem presents itself (sometimes > on > message one, but usually I can view a few before the problem starts). > > All software (cyrus/postfix) are the latest stables as of a few weeks ago. > The > system is RH8.0. > > I have tried to use gdb in an attempt to offer something more in this request > > but have been unable to obtain any useful info (this is the first time I have > > attempted used gdb seriously, so its mostly my ignorance that is the > problem). > > Any ideas of how to track this problem down would be most welcome. > > Regards > Warren > > >