Re: pop3d problem on redhat 7.3

From: Manfred F. (no email)
Date: Sun Sep 01 2002 - 05:22:59 EDT


It running
cyrus 4910 0.0 0.2 3964 1332 pts/0 S 11:07 0:00 pop3d
cyrus 4911 0.0 0.2 3964 1332 pts/0 S 11:07 0:00 pop3d

Sep 1 11:07:25 piragna master[4911]: about to exec /opt/cyrus//bin/pop3d
Sep 1 11:07:25 piragna pop3[4911]: executed
Sep 1 11:07:25 piragna pop3d[4911]: accepted connection

and with strace the last line is :
read(9,

 strace the pop3d:

accept(4, 0, NULL) = 7
fcntl64(6, F_SETLKW, {type=F_UNLCK, whence=SEEK_SET, start=0, len=0}) = 0
alarm(0) = 0
getpid() = 5089
getpeername(7, {sin_family=AF_INET, sin_port=htons(1038), sin_addr=inet_addr("151.29.252.73")}}, [16]) = 0
getpeername(7, {sin_family=AF_INET, sin_port=htons(1038), sin_addr=inet_addr("151.29.252.73")}}, [16]) = 0
getsockname(7, {sin_family=AF_INET, sin_port=htons(110), sin_addr=inet_addr("192.168.6.15")}}, [16]) = 0
open("/etc/hosts.allow", O_RDONLY) = 8
fstat64(8, {st_mode=S_IFREG|0644, st_size=161, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x401b5000
read(8, "#\n# hosts.allow\tThis file descri"..., 4096) = 161
read(8, "", 4096) = 0
close(8) = 0
munmap(0x401b5000, 4096) = 0
open("/etc/hosts.deny", O_RDONLY) = 8
fstat64(8, {st_mode=S_IFREG|0644, st_size=347, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x401b5000
read(8, "#\n# hosts.deny\tThis file describ"..., 4096) = 347
read(8, "", 4096) = 0
close(8) = 0
munmap(0x401b5000, 4096) = 0
write(3, "\2\0\0\0", 4) = 4
brk(0x811b000) = 0x811b000
time([1030871828]) = 1030871828
getpid() = 5089
rt_sigaction(SIGPIPE, {0x420e4570, [], 0x4000000}, {SIG_IGN}, 8) = 0
socket(PF_UNIX, SOCK_DGRAM, 0) = 8
fcntl64(8, F_SETFD, FD_CLOEXEC) = 0
connect(8, {sin_family=AF_UNIX, path="/dev/log"}, 16) = 0
send(8, "<183>Sep 1 11:17:08 pop3d[5089]"..., 53, 0) = 53
rt_sigaction(SIGPIPE, {SIG_IGN}, NULL, 8) = 0
dup2(7, 0) = 0
dup2(7, 1) = 1
dup2(7, 2) = 2
close(7) = 0
write(3, "\3\0\0\0", 4) = 4
getpeername(0, {sin_family=AF_INET, sin_port=htons(1038), sin_addr=inet_addr("151.29.252.73")}}, [16]) = 0
socket(PF_UNIX, SOCK_STREAM, 0) = 7
connect(7, {sin_family=AF_UNIX, path="/var/run/.nscd_socket"}, 110) = -1 ENOENT (No such file or directory)
close(7) = 0
open("/etc/nsswitch.conf", O_RDONLY) = 7
fstat64(7, {st_mode=S_IFREG|0644, st_size=1750, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x401b5000
read(7, "#\n# /etc/nsswitch.conf\n#\n# An ex"..., 4096) = 1750
read(7, "", 4096) = 0
close(7) = 0
munmap(0x401b5000, 4096) = 0
open("/opt/db4//lib/libnss_files.so.2", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/local/lib/libnss_files.so.2", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/opt/cyrus//lib/libnss_files.so.2", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/etc/ld.so.cache", O_RDONLY) = 7
fstat64(7, {st_mode=S_IFREG|0644, st_size=31002, ...}) = 0
old_mmap(NULL, 31002, PROT_READ, MAP_PRIVATE, 7, 0) = 0x401b5000
close(7) = 0
open("/lib/libnss_files.so.2", O_RDONLY) = 7
read(7, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\0\35\0"..., 1024) = 1024
fstat64(7, {st_mode=S_IFREG|0755, st_size=45415, ...}) = 0
old_mmap(NULL, 37848, PROT_READ|PROT_EXEC, MAP_PRIVATE, 7, 0) = 0x401bd000
mprotect(0x401c6000, 984, PROT_NONE) = 0
old_mmap(0x401c6000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 7, 0x9000) = 0x401c6000
close(7) = 0
munmap(0x401b5000, 31002) = 0
gettimeofday({1030871828, 527016}, NULL) = 0
getpid() = 5089
open("/etc/resolv.conf", O_RDONLY) = 7
fstat64(7, {st_mode=S_IFREG|0644, st_size=63, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x401b5000
read(7, "search zeropiu.it\nnameserver 192"..., 4096) = 63
read(7, "", 4096) = 0
close(7) = 0
munmap(0x401b5000, 4096) = 0
open("/etc/host.conf", O_RDONLY) = 7
fstat64(7, {st_mode=S_IFREG|0644, st_size=17, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x401b5000
read(7, "order hosts,bind\n", 4096) = 17
read(7, "", 4096) = 0
close(7) = 0
munmap(0x401b5000, 4096) = 0
open("/etc/hosts", O_RDONLY) = 7
fcntl64(7, F_GETFD) = 0
fcntl64(7, F_SETFD, FD_CLOEXEC) = 0
fstat64(7, {st_mode=S_IFREG|0644, st_size=360, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x401b5000
read(7, "# Do not remove the following li"..., 4096) = 360
read(7, "", 4096) = 0
close(7) = 0
munmap(0x401b5000, 4096) = 0
open("/opt/db4//lib/libnss_nisplus.so.2", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/local/lib/libnss_nisplus.so.2", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/opt/cyrus//lib/libnss_nisplus.so.2", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/etc/ld.so.cache", O_RDONLY) = 7
fstat64(7, {st_mode=S_IFREG|0644, st_size=31002, ...}) = 0
old_mmap(NULL, 31002, PROT_READ, MAP_PRIVATE, 7, 0) = 0x401b5000
close(7) = 0
open("/lib/libnss_nisplus.so.2", O_RDONLY) = 7
read(7, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\200\33"..., 1024) = 1024
fstat64(7, {st_mode=S_IFREG|0755, st_size=46117, ...}) = 0
old_mmap(NULL, 41872, PROT_READ|PROT_EXEC, MAP_PRIVATE, 7, 0) = 0x401c7000
mprotect(0x401d1000, 912, PROT_NONE) = 0
old_mmap(0x401d1000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 7, 0x9000) = 0x401d1000
close(7) = 0
munmap(0x401b5000, 31002) = 0
uname({sys="Linux", node="piragna.zeropiu.it", ...}) = 0
open("/var/nis/NIS_COLD_START", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/opt/db4//lib/libnss_dns.so.2", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/local/lib/libnss_dns.so.2", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/opt/cyrus//lib/libnss_dns.so.2", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/etc/ld.so.cache", O_RDONLY) = 7
fstat64(7, {st_mode=S_IFREG|0644, st_size=31002, ...}) = 0
old_mmap(NULL, 31002, PROT_READ, MAP_PRIVATE, 7, 0) = 0x401b5000
close(7) = 0
open("/lib/libnss_dns.so.2", O_RDONLY) = 7
read(7, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\320\r\0"..., 1024) = 1024
fstat64(7, {st_mode=S_IFREG|0755, st_size=16051, ...}) = 0
old_mmap(NULL, 15912, PROT_READ|PROT_EXEC, MAP_PRIVATE, 7, 0) = 0x401d2000
mprotect(0x401d5000, 3624, PROT_NONE) = 0
old_mmap(0x401d5000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 7, 0x2000) = 0x401d5000
close(7) = 0
munmap(0x401b5000, 31002) = 0
socket(PF_INET, SOCK_DGRAM, IPPROTO_IP) = 7
connect(7, {sin_family=AF_INET, sin_port=htons(53), sin_addr=inet_addr("192.168.6.3")}}, 28) = 0
send(7, "\302^\1\0\0\1\0\0\0\0\0\0\00273\003252\00229\003151\7i"..., 44, 0) = 44
gettimeofday({1030871828, 532613}, NULL) = 0
poll([{fd=7, events=POLLIN, revents=POLLIN}], 1, 5000) = 1
recvfrom(7, "\302^\201\200\0\1\0\1\0\2\0\2\00273\003252\00229\00315"..., 1024, 0, {sin_family=AF_INET, sin_port=htons(53), sin_addr=inet_addr("192.168.6.3")}}, [16]) = 176
close(7) = 0
getsockname(0, {sin_family=AF_INET, sin_port=htons(110), sin_addr=inet_addr("192.168.6.15")}}, [16]) = 0
brk(0x811c000) = 0x811c000
getpid() = 5089
open("/zeropiu/data/cyrus-conf/proc/5089", O_RDWR|O_CREAT|O_TRUNC, 0666) = 7
fstat64(7, {st_mode=S_IFREG|0600, st_size=0, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x401b5000
_llseek(7, 0, [0], SEEK_SET) = 0
write(7, "ppp-73-252.29-151.libero.it[151."..., 43) = 43
_llseek(7, 0, [43], SEEK_CUR) = 0
ftruncate(7, 43) = 0
open("/dev/random", O_RDONLY) = 9
read(9, <unfinished ...>

On Sun, Sep 01, 2002 at 10:19:48AM +0800, Eugene Chow wrote:








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