Re: Multi-thread cyrus delayed forking of imapd processes after connecting to master listener [SOLVED]
Michael Hieb <[email protected]>
| Newsgroups | gmane.mail.imap.cyrus |
|---|---|
| Message-ID | <[email protected]> |
I confirm naming services with unique names [a-z0-9] fixes the problem. Thank you very much. On 05/25/2017 10:39 AM, Edda <[email protected]> wrote: > Am 24.05.17 um 06:00 schrieb Michael Hieb: > [...] >> >> MAILSERVER:~ # strace -p 2120 >> Process 2120 attached >> fcntl(13, F_SETLKW, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0} >> >> Process hangs, nothing happening... then about 45 seconds later (in >> this case - time to wait varies each time I try this) it frees itself >> and strace shows this: >> >> MAILSERVER:~ # strace -p 2120 >> Process 2120 attached >> fcntl(13, F_SETLKW, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0}) = 0 >> stat("/usr/lib/cyrus/bin/imapd", {st_mode=S_IFREG|0755, >> st_size=1758976, ...}) = 0 >> accept(4, 0, NULL) = 14 >> fcntl(13, F_SETLKW, {type=F_UNLCK, whence=SEEK_SET, start=0, len=0}) = 0 >> > It tries to acquire a write lock on a file and finally gets it when > another process releases it. Seems to be the lock file itself. > > With your configuration all different imapd processes use the same lock > file because of their name "imap". Lock files are located in > /var/lib/imap/socket, search for imap-0.lock and imap-1.lock. > > As others already suggested: > - use a unique name for each line/process in the SERVICES section > - use only alphanumeric characters [a-z0-9] > > This should work: > > imap1 cmd="imapd -C /etc/imapd.domain1.com.conf " > listen="192.168.171.4:imap" maxchild=-1 maxforkrate=100 > imap2 cmd="imapd -C /etc/imapd.domain1.com.conf " > listen="192.168.110.171:imap" maxchild=-1 maxforkrate=100 > ... > > This doesn't work because of the dots: > imap.domain1.com.external cmd="imapd -C > /etc/imapd.domain1.com.conf " listen="192.168.171.4:imap" maxchild=-1 > maxforkrate=100 > imap.domain1.com.internal cmd="imapd -C > /etc/imapd.domain1.com.conf " listen="192.168.110.171:imap" maxchild=-1 > maxforkrate=100 > ... > > Check lock file names in /var/lib/imap/socket. You should see > <name>-0.lock and/or <name>-1.lock files for every name. > > Edda > > > > ------------------------------ > > Message: 2 > Date: Thu, 25 May 2017 10:39:25 +0800 > From: Michael Hieb <[email protected]> > To: Michael Ulitskiy <[email protected]>, > [email protected] > Subject: Re: Multi-thread cyrus delayed forking of imapd processes > after connecting to master listener > Message-ID: <[email protected]> > Content-Type: text/plain; charset="utf-8"; Format="flowed" > > I set the cyrus.service script to print our ulimit -a. This is what it > shows. Is there anything here that should limit cyrus? > > May 25 02:36:51 MAILSERVER systemd[1]: Starting LSB: The cyrus-imapd > mail system... > May 25 02:36:51 MAILSERVER cyrus[6762]: Starting IMAP/POP3 service > (cyrus-imapd)core file size (blocks, -c) 102400 > May 25 02:36:51 MAILSERVER cyrus[6762]: data seg size (kbytes, -d) unlimited > May 25 02:36:51 MAILSERVER cyrus[6762]: scheduling priority > (-e) 0 > May 25 02:36:51 MAILSERVER cyrus[6762]: file size (blocks, -f) unlimited > May 25 02:36:51 MAILSERVER cyrus[6762]: pending signals > (-i) 63615 > May 25 02:36:51 MAILSERVER cyrus[6762]: max locked memory (kbytes, -l) 64 > May 25 02:36:51 MAILSERVER cyrus[6762]: max memory size (kbytes, -m) > unlimited > May 25 02:36:51 MAILSERVER cyrus[6762]: open files > (-n) 209702 > May 25 02:36:51 MAILSERVER cyrus[6762]: pipe size (512 bytes, > -p) 8 > May 25 02:36:51 MAILSERVER cyrus[6762]: POSIX message queues (bytes, -q) > 819200 > May 25 02:36:51 MAILSERVER cyrus[6762]: real-time priority > (-r) 50000 > May 25 02:36:51 MAILSERVER cyrus[6762]: stack size (kbytes, -s) 8192 > May 25 02:36:51 MAILSERVER cyrus[6762]: cpu time (seconds, -t) unlimited > May 25 02:36:51 MAILSERVER cyrus[6762]: max user processes > (-u) 4096 > May 25 02:36:51 MAILSERVER cyrus[6762]: virtual memory (kbytes, -v) > unlimited > May 25 02:36:51 MAILSERVER cyrus[6762]: file locks > (-x) unlimited > May 25 02:36:52 MAILSERVER master[6773]: setrlimit: Unable to set file > descriptors limit to -1: Operation not permitted > May 25 02:36:52 MAILSERVER master[6773]: retrying with 209702 (current max) > May 25 02:36:52 MAILSERVER master[6773]: process started > May 25 02:36:52 MAILSERVER cyrus[6762]: ..done > May 25 02:36:52 MAILSERVER systemd[1]: Started LSB: The cyrus-imapd mail > system. > May 25 02:36:52 MAILSERVER master[6776]: about to exec > /usr/lib/cyrus/bin/ctl_cyrusdb > May 25 02:36:52 MAILSERVER ctl_cyrusdb[6776]: recovering cyrus databases > May 25 02:36:52 MAILSERVER ctl_cyrusdb[6776]: skiplist: checkpointed > /var/lib/imap/mailboxes.db (1446 records, 186620 bytes) in 0 seconds > May 25 02:36:52 MAILSERVER ctl_cyrusdb[6776]: skiplist: checkpointed > /var/lib/imap/annotations.db (0 records, 144 bytes) in 0 seconds > May 25 02:36:52 MAILSERVER ctl_cyrusdb[6776]: done recovering cyrus > databases > May 25 02:36:52 MAILSERVER master[6778]: about to exec > /usr/lib/cyrus/bin/idled > May 25 02:36:52 MAILSERVER master[6773]: ready for work > > > On 05/24/2017 10:59 PM, Michael Hieb wrote: >> I did try to change the service names. I posted that result to the >> group. It did not make a difference. >> >> I am not a low-level programmer so maybe have the wrong idea here, but >> it seems locked on reading the imapd executable. Doesn't that suggest >> a system limit of either open files or open processes? I have tried to >> open up those limits as it was my first angle of investigation. What >> confuses me is that the problem goes away when I switch to a >> single-threaded Cyrus service listening on all ports simultaneously. >> >> Any thoughts, suggestions welcome. >> >> Michael >> >> On May 24, 2017 10:42:30 PM GMT+08:00, Michael Ulitskiy >> <[email protected]> wrote: >> >> well, it tells us that it has to do with locking during connection accept. >> have you tried to use different service name per server as was suggested by >> others? >> >> Michael >> >> On Wednesday, May 24, 2017 12:00:58 PM Michael Hieb wrote: >> >> I have had good success connecting to the right process and >> can replicate the result. Here is what I found; MAILSERVER:~ # >> ps auwwx|grep imapd cyrus 1738 0.0 0.0 119572 10140 ? S 03:32 >> 0:00 imapd -C /etc/imapd.domain1.com >> <http://imapd.domain1.com>.conf -s cyrus 1745 0.0 0.0 119580 >> 9812 ? S 03:32 0:00 imapd -C /etc/imapd.domain2.com >> <http://imapd.domain2.com>.conf -s cyrus 1749 0.0 0.0 119596 >> 9856 ? S 03:32 0:00 imapd -C /etc/imapd.domain3.com >> <http://imapd.domain3.com>.conf cyrus 1750 0.0 0.0 129424 >> 11500 ? S 03:32 0:00 imapd -C /etc/imapd.domain1.com >> <http://imapd.domain1.com>.conf cyrus 1751 0.0 0.0 119696 9988 >> ? S 03:32 0:00 imapd -C /etc/imapd.domain5.com >> <http://imapd.domain5.com>.conf cyrus 1752 0.0 0.0 119596 9816 >> ? S 03:32 0:00 imapd -C /etc/imapd.domain4.com >> <http://imapd.domain4.com>.conf cyrus 1753 0.0 0.0 119604 9964 >> ? S 03:32 0:00 imapd -C /etc/imapd.domain3.com >> <http://imapd.domain3.com>.conf cyrus 1754 0.0 0.0 119596 9652 >> ? S 03:32 0:00 imapd -C /etc/imapd.domain1.com >> <http://imapd.domain1.com>.conf cyrus 1755 0.0 0.0 119596 9800 >> ? S 03:32 0:00 imapd -C /etc/imapd.domain5.com >> <http://imapd.domain5.com>.conf cyrus 1756 0.0 0.0 119604 >> 10056 ? S 03:32 0:00 imapd -C /etc/imapd.domain4.com >> <http://imapd.domain4.com>.conf cyrus 1757 0.0 0.0 129564 >> 11724 ? S 03:32 0:00 imapd -C /etc/imapd.domain1.com >> <http://imapd.domain1.com>.conf cyrus 1758 0.0 0.0 119512 9896 >> ? S 03:33 0:00 imapd -C /etc/imapd.domain1.com >> <http://imapd.domain1.com>.conf -s cyrus 1766 0.0 0.0 119588 >> 9904 ? S 03:33 0:00 imapd -C /etc/imapd.domain3.com >> <http://imapd.domain3.com>.conf -s cyrus 1767 0.0 0.0 119576 >> 9804 ? S 03:33 0:00 imapd -C /etc/imapd.domain3.com >> <http://imapd.domain3.com>.conf -s cyrus 1778 0.0 0.0 119480 >> 9936 ? S 03:33 0:00 imapd -C /etc/imapd.domain1.com >> <http://imapd.domain1.com>.conf -s cyrus 1786 0.0 0.0 119768 >> 10144 ? S 03:33 0:00 imapd -C /etc/imapd.domain5.com >> <http://imapd.domain5.com>.conf cyrus 1881 0.0 0.0 119808 >> 10080 ? S 03:34 0:00 imapd -C /etc/imapd.domain1.com >> <http://imapd.domain1.com>.conf cyrus 1912 0.0 0.0 119688 9868 >> ? S 03:36 0:00 imapd -C /etc/imapd.domain2.com >> <http://imapd.domain2.com>.conf cyrus 1937 0.0 0.0 119784 >> 10216 ? S 03:38 0:00 imapd -C /etc/imapd.domain3.com >> <http://imapd.domain3.com>.conf cyrus 1947 0.0 0.0 125872 >> 10660 ? S 03:39 0:00 imapd -C /etc/imapd.domain1.com >> <http://imapd.domain1.com>.conf cyrus 1993 0.0 0.0 119604 9808 >> ? S 03:42 0:00 imapd -C /etc/imapd.domain4.com >> <http://imapd.domain4.com>.conf cyrus 2078 0.0 0.0 117044 7628 >> ? S 03:48 0:00 imapd -C /etc/imapd.domain4.com >> <http://imapd.domain4.com>.conf root 2080 0.0 0.0 10548 1656 >> pts/2 S+ 03:48 0:00 grep --color=auto imapd Then try to >> connect: user@somesystem:~> telnet imap.domain2.com >> <http://imap.domain2.com> 143 Trying 192.168.110.175 >> <http://192.168.110.175>... Connected to imap.domain2.com >> <http://imap.domain2.com>. Escape character is '^]'. Then >> mailserver is the same except one new process at the end: >> MAILSERVER:~ # ps auwwx|grep imapd cyrus 1738 0.0 0.0 119572 >> 10140 ? S 03:32 0:00 imapd -C /etc/imapd.domain1.com >> <http://imapd.domain1.com>.conf -s cyrus 1745 0.0 0.0 119580 >> 9812 ? S 03:32 0:00 imapd -C /etc/imapd.domain2.com >> <http://imapd.domain2.com>.conf -s cyrus 1749 0.0 0.0 119596 >> 9856 ? S 03:32 0:00 imapd -C /etc/imapd.domain3.com >> <http://imapd.domain3.com>.conf cyrus 1750 0.0 0.0 129424 >> 11500 ? S 03:32 0:00 imapd -C /etc/imapd.domain1.com >> <http://imapd.domain1.com>.conf cyrus 1751 0.0 0.0 119696 9988 >> ? S 03:32 0:00 imapd -C /etc/imapd.domain5.com >> <http://imapd.domain5.com>.conf cyrus 1752 0.0 0.0 119596 9816 >> ? S 03:32 0:00 imapd -C /etc/imapd.domain4.com >> <http://imapd.domain4.com>.conf cyrus 1753 0.0 0.0 119604 9964 >> ? S 03:32 0:00 imapd -C /etc/imapd.domain3.com >> <http://imapd.domain3.com>.conf cyrus 1754 0.0 0.0 119596 9652 >> ? S 03:32 0:00 imapd -C /etc/imapd.domain1.com >> <http://imapd.domain1.com>.conf cyrus 1755 0.0 0.0 119596 9800 >> ? S 03:32 0:00 imapd -C /etc/imapd.domain5.com >> <http://imapd.domain5.com>.conf cyrus 1756 0.0 0.0 119604 >> 10056 ? S 03:32 0:00 imapd -C /etc/imapd.domain4.com >> <http://imapd.domain4.com>.conf cyrus 1757 0.0 0.0 129564 >> 11724 ? S 03:32 0:00 imapd -C /etc/imapd.domain1.com >> <http://imapd.domain1.com>.conf cyrus 1758 0.0 0.0 119512 9896 >> ? S 03:33 0:00 imapd -C /etc/imapd.domain1.com >> <http://imapd.domain1.com>.conf -s cyrus 1766 0.0 0.0 119588 >> 9904 ? S 03:33 0:00 imapd -C /etc/imapd.domain3.com >> <http://imapd.domain3.com>.conf -s cyrus 1767 0.0 0.0 119576 >> 9804 ? S 03:33 0:00 imapd -C /etc/imapd.domain3.com >> <http://imapd.domain3.com>.conf -s cyrus 1778 0.0 0.0 119480 >> 9936 ? S 03:33 0:00 imapd -C /etc/imapd.domain1.com >> <http://imapd.domain1.com>.conf -s cyrus 1786 0.0 0.0 119768 >> 10144 ? S 03:33 0:00 imapd -C /etc/imapd.domain5.com >> <http://imapd.domain5.com>.conf cyrus 1881 0.0 0.0 119808 >> 10080 ? S 03:34 0:00 imapd -C /etc/imapd.domain1.com >> <http://imapd.domain1.com>.conf cyrus 1912 0.0 0.0 119688 9868 >> ? S 03:36 0:00 imapd -C /etc/imapd.domain2.com >> <http://imapd.domain2.com>.conf cyrus 1937 0.0 0.0 119784 >> 10216 ? S 03:38 0:00 imapd -C /etc/imapd.domain3.com >> <http://imapd.domain3.com>.conf cyrus 1947 0.0 0.0 125872 >> 10660 ? S 03:39 0:00 imapd -C /etc/imapd.domain1.com >> <http://imapd.domain1.com>.conf cyrus 1993 0.0 0.0 119604 9808 >> ? S 03:42 0:00 imapd -C /etc/imapd.domain4.com >> <http://imapd.domain4.com>.conf cyrus 2078 0.0 0.0 117044 7628 >> ? S 03:48 0:00 imapd -C /etc/imapd.domain4.com >> <http://imapd.domain4.com>.conf cyrus 2120 0.0 0.0 117044 7628 >> ? S 03:48 0:00 imapd -C /etc/imapd.domain2.com >> <http://imapd.domain2.com>.conf root 2122 0.0 0.0 10548 1656 >> pts/2 S+ 03:48 0:00 grep --color=auto imapd MAILSERVER:~ # >> strace -p 2120 Process 2120 attached fcntl(13, F_SETLKW, >> {type=F_WRLCK, whence=SEEK_SET, start=0, len=0} Process hangs, >> nothing happening... then about 45 seconds later (in this case >> - time to wait varies each time I try this) it frees itself >> and strace shows this: MAILSERVER:~ # strace -p 2120 Process >> 2120 attached fcntl(13, F_SETLKW, {type=F_WRLCK, >> whence=SEEK_SET, start=0, len=0}) = 0 >> stat("/usr/lib/cyrus/bin/imapd", {st_mode=S_IFREG|0755, >> st_size=1758976, ...}) = 0 accept(4, 0, NULL) = 14 fcntl(13, >> F_SETLKW, {type=F_UNLCK, whence=SEEK_SET, start=0, len=0}) = 0 >> alarm(0) = 0 getpeername(14, {sa_family=AF_INET, >> sin_port=htons(43778), sin_addr=inet_addr("192.168.110.27 >> <http://192.168.110.27>")}, [16]) = 0 getpeername(14, >> {sa_family=AF_INET, sin_port=htons(43778), >> sin_addr=inet_addr("192.168.110.27 <http://192.168.110.27>")}, >> [16]) = 0 getsockname(14, {sa_family=AF_INET, >> sin_port=htons(143), sin_addr=inet_addr("192.168.110.174 >> <http://192.168.110.174>")}, [16]) = 0 >> open("/etc/hosts.allow", O_RDONLY|O_CLOEXEC) = 15 fstat(15, >> {st_mode=S_IFREG|0644, st_size=2639, ...}) = 0 mmap(NULL, >> 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) >> = 0x7ff634095000 read(15, "# /etc/hosts.allow\n# See 'man >> tc"..., 4096) = 2639 read(15, "", 4096) = 0 close(15) = 0 >> munmap(0x7ff634095000, 4096) = 0 open("/etc/hosts.deny", >> O_RDONLY|O_CLOEXEC) = 15 fstat(15, {st_mode=S_IFREG|0644, >> st_size=149, ...}) = 0 mmap(NULL, 4096, PROT_READ|PROT_WRITE, >> MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff634095000 read(15, "# >> /etc/hosts.deny\n# See 'man tcp"..., 4096) = 149 read(15, "", >> 4096) = 0 close(15) = 0 munmap(0x7ff634095000, 4096) = 0 >> write(3, "\2\0\0\0H\10\0\0", 8) = 8 sendto(6, "<31>May 24 >> 03:56:21 imap[2120]: "..., 51, MSG_NOSIGNAL, NULL, 0) = 51 >> dup2(14, 0) = 0 dup2(14, 1) = 1 dup2(14, 2) = 2 close(14) = 0 >> write(3, "\3\0\0\0H\10\0\0", 8) = 8 getpeername(0, >> {sa_family=AF_INET, sin_port=htons(43778), >> sin_addr=inet_addr("192.168.110.27 <http://192.168.110.27>")}, >> [16]) = 0 socket(PF_LOCAL, >> SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0) = 14 connect(14, >> {sa_family=AF_LOCAL, sun_path="/var/run/nscd/socket"}, 110) = >> 0 sendto(14, "\2\0\0\0\r\0\0\0\6\0\0\0hosts\0", 18, >> MSG_NOSIGNAL, NULL, 0) = 18 poll([{fd=14, >> events=POLLIN|POLLERR|POLLHUP}], 1, 5000) = 1 ([{fd=14, >> revents=POLLIN|POLLHUP}]) recvmsg(14, {msg_name(0)=NULL, >> msg_iov(2)=[{"hosts\0", 6}, {"\310O\3\0\0\0\0\0", 8}], >> msg_controllen=20, [{cmsg_len=20, cmsg_level=SOL_SOCKET, >> cmsg_type=SCM_RIGHTS, [15]}], msg_flags=MSG_CMSG_CLOEXEC}, >> MSG_CMSG_CLOEXEC) = 14 mmap(NULL, 217032, PROT_READ, >> MAP_SHARED, 15, 0) = 0x7ff634021000 close(15) = 0 close(14) = >> 0 getsockname(0, {sa_family=AF_INET, sin_port=htons(143), >> sin_addr=inet_addr("192.168.110.174 >> <http://192.168.110.174>")}, [16]) = 0 >> open("/var/lib/imap/proc/2120", O_RDWR|O_CREAT|O_TRUNC, 0666) >> = 14 fstat(14, {st_mode=S_IFREG|0600, st_size=0, ...}) = 0 >> mmap(NULL, 4096, PROT_READ|PROT_WRITE, >> MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff634095000 lseek(14, >> 0, SEEK_SET) = 0 write(14, "somehost.domain1.com >> <http://somehost.domain1.com> [192.168.110.2 >> <http://192.168.110.2>"..., 35) = 35 lseek(14, 0, SEEK_CUR) = >> 35 ftruncate(14, 35) = 0 open("/var/lib/imap/msg/motd", >> O_RDONLY) = -1 ENOENT (No such file or directory) write(1, "* >> OK [CAPABILITY IMAP4rev1 LITER"..., 199) = 199 select(1, [0], >> NULL, NULL, {1800, 0} and telnet session shows this: >> user@somesystem:~> telnet imap.domain2.com >> <http://imap.domain2.com> 143 Trying 192.168.110.175 >> <http://192.168.110.175>... Connected to imap.domain2.com >> <http://imap.domain2.com>. Escape character is '^]'. * OK >> [CAPABILITY IMAP4rev1 LITERAL+ ID ENABLE STARTTLS >> AUTH=GSS-SPNEGO AUTH=GSSAPI AUTH=DIGEST-MD5 AUTH=CRAM-MD5 >> AUTH=LOGIN AUTH=PLAIN SASL-IR] imap.domain2.com >> <http://imap.domain2.com> Cyrus IMAP v2.4.18 server ready >> Thereafter telnet to imap.domain2.com >> <http://imap.domain2.com> has immediate response and other >> domains hang.. I can replicate this at will. What does it >> mean? Michael On 05/23/2017 10:38 PM, Michael Ulitskiy wrote: >> >> you can use 'strace -p <pid>', specifying the pid of >> process you want to trace. you will have to "catch" the >> process that blocks. it may not be easy, but I have no >> other suggestions. On Tuesday, May 23, 2017 06:19:17 PM >> Michael Hieb wrote: >> >> The SASL is cyrus-sasl 2.1.26-9.5. I believe it does >> use /dev/urandom. I am not sure how to run strace on >> the process that the Master listener forks. Here is >> the strace run on the imapd process at a command >> prompt (which is not quite the same as the master >> listener forking it to a port where another process is >> waiting to connect to it). MAILSERVER:~ # strace >> /usr/lib/cyrus/bin/imapd -C /etc/imapd.domain1.com >> <http://imapd.domain1.com>.conf >> execve("/usr/lib/cyrus/bin/imapd", >> ["/usr/lib/cyrus/bin/imapd", "-C", >> "/etc/imapd.domain1.com >> <http://imapd.domain1.com>.conf"], [/* 56 vars */]) = >> 0 brk(0) = 0x5573deaf5000 mmap(NULL, 4096, >> PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, >> 0) = 0x7fdeb770c000 access("/etc/ld.so >> <http://ld.so>.preload", R_OK) = -1 ENOENT (No such >> file or directory) open("/etc/ld.so >> <http://ld.so>.cache", O_RDONLY|O_CLOEXEC) = 3 >> fstat(3, {st_mode=S_IFREG|0644, st_size=80522, ...}) = >> 0 mmap(NULL, 80522, PROT_READ, MAP_PRIVATE, 3, 0) = >> 0x7fdeb76f8000 close(3) = 0 >> open("/usr/lib64/libsasl2.so <http://libsasl2.so>.3", >> O_RDONLY|O_CLOEXEC) = 3 read(3, >> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\300N\0\0\0\0\0\0"..., >> 832) = 832 fstat(3, {st_mode=S_IFREG|0755, >> st_size=118552, ...}) = 0 mmap(NULL, 2213800, >> PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) >> = 0x7fdeb72d0000 mprotect(0x7fdeb72ec000, 2093056, >> PROT_NONE) = 0 mmap(0x7fdeb74eb000, 8192, >> PROT_READ|PROT_WRITE, >> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1b000) = >> 0x7fdeb74eb000 close(3) = 0 >> open("/usr/lib64/libkrb5.so <http://libkrb5.so>.3", >> O_RDONLY|O_CLOEXEC) = 3 read(3, >> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\200Y\2\0\0\0\0\0"..., >> 832) = 832 fstat(3, {st_mode=S_IFREG|0755, >> st_size=855280, ...}) = 0 mmap(NULL, 2951008, >> PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) >> = 0x7fdeb6fff000 mprotect(0x7fdeb70c1000, 2093056, >> PROT_NONE) = 0 mmap(0x7fdeb72c0000, 65536, >> PROT_READ|PROT_WRITE, >> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xc1000) = >> 0x7fdeb72c0000 close(3) = 0 mmap(NULL, 4096, >> PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, >> 0) = 0x7fdeb76f7000 open("/lib64/libcom_err.so >> <http://err.so>.2", O_RDONLY|O_CLOEXEC) = 3 read(3, >> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\340\26\0\0\0\0\0\0"..., >> 832) = 832 fstat(3, {st_mode=S_IFREG|0755, >> st_size=14760, ...}) = 0 mmap(NULL, 2109928, >> PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) >> = 0x7fdeb6dfb000 mprotect(0x7fdeb6dfe000, 2093056, >> PROT_NONE) = 0 mmap(0x7fdeb6ffd000, 8192, >> PROT_READ|PROT_WRITE, >> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = >> 0x7fdeb6ffd000 close(3) = 0 open("/lib64/libssl.so >> <http://libssl.so>.1.0.0", O_RDONLY|O_CLOEXEC) = 3 >> read(3, >> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0pr\1\0\0\0\0\0"..., >> 832) = 832 fstat(3, {st_mode=S_IFREG|0555, >> st_size=440632, ...}) = 0 mmap(NULL, 2535888, >> PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) >> = 0x7fdeb6b8f000 mprotect(0x7fdeb6bf0000, 2097152, >> PROT_NONE) = 0 mmap(0x7fdeb6df0000, 45056, >> PROT_READ|PROT_WRITE, >> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x61000) = >> 0x7fdeb6df0000 close(3) = 0 open("/lib64/libcrypto.so >> <http://libcrypto.so>.1.0.0", O_RDONLY|O_CLOEXEC) = 3 >> read(3, >> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0\313\6\0\0\0\0\0"..., >> 832) = 832 fstat(3, {st_mode=S_IFREG|0555, >> st_size=2447744, ...}) = 0 mmap(NULL, 4559184, >> PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) >> = 0x7fdeb6735000 mprotect(0x7fdeb6962000, 2097152, >> PROT_NONE) = 0 mmap(0x7fdeb6b62000, 167936, >> PROT_READ|PROT_WRITE, >> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x22d000) = >> 0x7fdeb6b62000 mmap(0x7fdeb6b8b000, 12624, >> PROT_READ|PROT_WRITE, >> MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = >> 0x7fdeb6b8b000 close(3) = 0 >> open("/usr/lib64/libdb-4.8.so <http://libdb-4.8.so>", >> O_RDONLY|O_CLOEXEC) = 3 read(3, >> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0@X\2\0\0\0\0\0"..., >> 832) = 832 fstat(3, {st_mode=S_IFREG|0755, >> st_size=1560248, ...}) = 0 mmap(NULL, 4096, >> PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, >> 0) = 0x7fdeb76f6000 mmap(NULL, 3655304, >> PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) >> = 0x7fdeb63b8000 mprotect(0x7fdeb6530000, 2097152, >> PROT_NONE) = 0 mmap(0x7fdeb6730000, 20480, >> PROT_READ|PROT_WRITE, >> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x178000) = >> 0x7fdeb6730000 close(3) = 0 open("/lib64/libz.so >> <http://libz.so>.1", O_RDONLY|O_CLOEXEC) = 3 read(3, >> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0P#\0\0\0\0\0\0"..., >> 832) = 832 fstat(3, {st_mode=S_IFREG|0755, >> st_size=88216, ...}) = 0 mmap(NULL, 2183304, >> PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) >> = 0x7fdeb61a2000 mprotect(0x7fdeb61b7000, 2093056, >> PROT_NONE) = 0 mmap(0x7fdeb63b6000, 8192, >> PROT_READ|PROT_WRITE, >> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x14000) = >> 0x7fdeb63b6000 close(3) = 0 open("/lib64/libwrap.so >> <http://libwrap.so>.0", O_RDONLY|O_CLOEXEC) = 3 >> read(3, >> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0p8\0\0\0\0\0\0"..., >> 832) = 832 fstat(3, {st_mode=S_IFREG|0755, >> st_size=40952, ...}) = 0 mmap(NULL, 2139520, >> PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) >> = 0x7fdeb5f97000 mprotect(0x7fdeb5fa0000, 2093056, >> PROT_NONE) = 0 mmap(0x7fdeb619f000, 8192, >> PROT_READ|PROT_WRITE, >> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x8000) = >> 0x7fdeb619f000 mmap(0x7fdeb61a1000, 1408, >> PROT_READ|PROT_WRITE, >> MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = >> 0x7fdeb61a1000 close(3) = 0 open("/lib64/libc.so >> <http://libc.so>.6", O_RDONLY|O_CLOEXEC) = 3 read(3, >> "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0\10\2\0\0\0\0\0"..., >> 832) = 832 fstat(3, {st_mode=S_IFREG|0755, >> st_size=1925280, ...}) = 0 mmap(NULL, 4096, >> PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, >> 0) = 0x7fdeb76f5000 mmap(NULL, 3811872, >> PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) >> = 0x7fdeb5bf4000 mprotect(0x7fdeb5d8e000, 2093056, >> PROT_NONE) = 0 mmap(0x7fdeb5f8d000, 24576, >> PROT_READ|PROT_WRITE, >> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x199000) = >> 0x7fdeb5f8d000 mmap(0x7fdeb5f93000, 14880, >> PROT_READ|PROT_WRITE, >> MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = >> 0x7fdeb5f93000 close(3) = 0 open("/lib64/libdl.so >> <http://libdl.so>.2", O_RDONLY|O_CLOEXEC) = 3 read(3, >> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\240\r\0\0\0\0\0\0"..., >> 832) = 832 fstat(3, {st_mode=S_IFREG|0755, >> st_size=18712, ...}) = 0 mmap(NULL, 2109680, >> PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) >> = 0x7fdeb59f0000 mprotect(0x7fdeb59f2000, 2097152, >> PROT_NONE) = 0 mmap(0x7fdeb5bf2000, 8192, >> PROT_READ|PROT_WRITE, >> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = >> 0x7fdeb5bf2000 close(3) = 0 >> open("/usr/lib64/libk5crypto.so >> <http://libk5crypto.so>.3", O_RDONLY|O_CLOEXEC) = 3 >> read(3, >> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\340K\0\0\0\0\0\0"..., >> 832) = 832 fstat(3, {st_mode=S_IFREG|0755, >> st_size=191424, ...}) = 0 mmap(NULL, 2290168, >> PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) >> = 0x7fdeb57c0000 mprotect(0x7fdeb57ed000, 2093056, >> PROT_NONE) = 0 mmap(0x7fdeb59ec000, 12288, >> PROT_READ|PROT_WRITE, >> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2c000) = >> 0x7fdeb59ec000 mmap(0x7fdeb59ef000, 504, >> PROT_READ|PROT_WRITE, >> MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = >> 0x7fdeb59ef000 close(3) = 0 >> open("/usr/lib64/libkrb5support.so >> <http://libkrb5support.so>.0", O_RDONLY|O_CLOEXEC) = 3 >> read(3, >> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\20:\0\0\0\0\0\0"..., >> 832) = 832 fstat(3, {st_mode=S_IFREG|0755, >> st_size=52416, ...}) = 0 mmap(NULL, 4096, >> PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, >> 0) = 0x7fdeb76f4000 mmap(NULL, 2147816, >> PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) >> = 0x7fdeb55b3000 mprotect(0x7fdeb55bf000, 2093056, >> PROT_NONE) = 0 mmap(0x7fdeb57be000, 8192, >> PROT_READ|PROT_WRITE, >> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xb000) = >> 0x7fdeb57be000 close(3) = 0 >> open("/lib64/libkeyutils.so >> <http://libkeyutils.so>.1", O_RDONLY|O_CLOEXEC) = 3 >> read(3, >> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\320\26\0\0\0\0\0\0"..., >> 832) = 832 fstat(3, {st_mode=S_IFREG|0755, >> st_size=14688, ...}) = 0 mmap(NULL, 2109704, >> PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) >> = 0x7fdeb53af000 mprotect(0x7fdeb53b2000, 2093056, >> PROT_NONE) = 0 mmap(0x7fdeb55b1000, 8192, >> PROT_READ|PROT_WRITE, >> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = >> 0x7fdeb55b1000 close(3) = 0 open("/lib64/libresolv.so >> <http://libresolv.so>.2", O_RDONLY|O_CLOEXEC) = 3 >> read(3, >> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\2209\0\0\0\0\0\0"..., >> 832) = 832 fstat(3, {st_mode=S_IFREG|0755, >> st_size=97152, ...}) = 0 mmap(NULL, 2189896, >> PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) >> = 0x7fdeb5198000 mprotect(0x7fdeb51ac000, 2093056, >> PROT_NONE) = 0 mmap(0x7fdeb53ab000, 8192, >> PROT_READ|PROT_WRITE, >> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x13000) = >> 0x7fdeb53ab000 mmap(0x7fdeb53ad000, 6728, >> PROT_READ|PROT_WRITE, >> MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = >> 0x7fdeb53ad000 close(3) = 0 open("/lib64/libpthread.so >> <http://libpthread.so>.0", O_RDONLY|O_CLOEXEC) = 3 >> read(3, >> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\360r\0\0\0\0\0\0"..., >> 832) = 832 fstat(3, {st_mode=S_IFREG|0755, >> st_size=135952, ...}) = 0 mmap(NULL, 4096, >> PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, >> 0) = 0x7fdeb76f3000 mmap(NULL, 2213008, >> PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) >> = 0x7fdeb4f7b000 mprotect(0x7fdeb4f93000, 2093056, >> PROT_NONE) = 0 mmap(0x7fdeb5192000, 8192, >> PROT_READ|PROT_WRITE, >> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x17000) = >> 0x7fdeb5192000 mmap(0x7fdeb5194000, 13456, >> PROT_READ|PROT_WRITE, >> MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = >> 0x7fdeb5194000 close(3) = 0 open("/lib64/libselinux.so >> <http://libselinux.so>.1", O_RDONLY|O_CLOEXEC) = 3 >> read(3, >> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0ps\0\0\0\0\0\0"..., >> 832) = 832 fstat(3, {st_mode=S_IFREG|0755, >> st_size=147208, ...}) = 0 mmap(NULL, 2251056, >> PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) >> = 0x7fdeb4d55000 mprotect(0x7fdeb4d78000, 2093056, >> PROT_NONE) = 0 mmap(0x7fdeb4f77000, 8192, >> PROT_READ|PROT_WRITE, >> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x22000) = >> 0x7fdeb4f77000 mmap(0x7fdeb4f79000, 6448, >> PROT_READ|PROT_WRITE, >> MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = >> 0x7fdeb4f79000 close(3) = 0 >> open("/usr/lib64/libpcre.so <http://libpcre.so>.1", >> O_RDONLY|O_CLOEXEC) = 3 read(3, >> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0000\30\0\0\0\0\0\0"..., >> 832) = 832 fstat(3, {st_mode=S_IFREG|0755, >> st_size=452976, ...}) = 0 mmap(NULL, 4096, >> PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, >> 0) = 0x7fdeb76f2000 mmap(NULL, 2548232, >> PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) >> = 0x7fdeb4ae6000 mprotect(0x7fdeb4b54000, 2093056, >> PROT_NONE) = 0 mmap(0x7fdeb4d53000, 8192, >> PROT_READ|PROT_WRITE, >> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6d000) = >> 0x7fdeb4d53000 close(3) = 0 mmap(NULL, 4096, >> PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, >> 0) = 0x7fdeb76f1000 mmap(NULL, 4096, >> PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, >> 0) = 0x7fdeb76f0000 mmap(NULL, 8192, >> PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, >> 0) = 0x7fdeb76ee000 arch_prctl(ARCH_SET_FS, >> 0x7fdeb76ee840) = 0 mprotect(0x7fdeb5f8d000, 16384, >> PROT_READ) = 0 mprotect(0x7fdeb5192000, 4096, >> PROT_READ) = 0 mprotect(0x7fdeb4d53000, 4096, >> PROT_READ) = 0 mprotect(0x7fdeb5bf2000, 4096, >> PROT_READ) = 0 mprotect(0x7fdeb4f77000, 4096, >> PROT_READ) = 0 mprotect(0x7fdeb53ab000, 4096, >> PROT_READ) = 0 mprotect(0x7fdeb55b1000, 4096, >> PROT_READ) = 0 mprotect(0x7fdeb57be000, 4096, >> PROT_READ) = 0 mprotect(0x7fdeb59ec000, 8192, >> PROT_READ) = 0 mprotect(0x7fdeb619f000, 4096, >> PROT_READ) = 0 mprotect(0x7fdeb63b6000, 4096, >> PROT_READ) = 0 mprotect(0x7fdeb6730000, 8192, >> PROT_READ) = 0 mprotect(0x7fdeb6b62000, 110592, >> PROT_READ) = 0 mprotect(0x7fdeb6df0000, 16384, >> PROT_READ) = 0 mprotect(0x7fdeb6ffd000, 4096, >> PROT_READ) = 0 mprotect(0x7fdeb72c0000, 53248, >> PROT_READ) = 0 mprotect(0x7fdeb74eb000, 4096, >> PROT_READ) = 0 mprotect(0x5573dd954000, 8192, >> PROT_READ) = 0 mprotect(0x7fdeb770d000, 4096, >> PROT_READ) = 0 munmap(0x7fdeb76f8000, 80522) = 0 >> set_tid_address(0x7fdeb76eeb10) = 18042 >> set_robust_list(0x7fdeb76eeb20, 24) = 0 >> rt_sigaction(SIGRTMIN, {0x7fdeb4f81d80, [], >> SA_RESTORER|SA_SIGINFO, 0x7fdeb4f8bb10}, NULL, 8) = 0 >> rt_sigaction(SIGRT_1, {0x7fdeb4f81e10, [], >> SA_RESTORER|SA_RESTART|SA_SIGINFO, 0x7fdeb4f8bb10}, >> NULL, 8) = 0 rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], >> NULL, 8) = 0 getrlimit(RLIMIT_STACK, >> {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 >> statfs("/sys/fs/selinux", 0x7ffe1b4e8b00) = -1 ENOENT >> (No such file or directory) statfs("/selinux", >> {f_type="EXT2_SUPER_MAGIC", f_bsize=4096, >> f_blocks=474903111, f_bfree=452714842, >> f_bavail=452228240, f_files=120627200, >> f_ffree=120300880, f_fsi\ d={352889743, -1913047647}, >> f_namelen=255, f_frsize=4096}) = 0 brk(0) = >> 0x5573deaf5000 brk(0x5573deb16000) = 0x5573deb16000 >> open("/proc/filesystems", O_RDONLY) = 3 fstat(3, >> {st_mode=S_IFREG|0444, st_size=0, ...}) = 0 mmap(NULL, >> 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, >> -1, 0) = 0x7fdeb770b000 read(3, >> "nodev\tsysfs\nnodev\trootfs\nnodev\tr"..., 1024) = >> 297 read(3, "", 1024) = 0 close(3) = 0 >> munmap(0x7fdeb770b000, 4096) = 0 >> access("/etc/selinux/config", F_OK) = -1 ENOENT (No >> such file or directory) stat("/dev/urandom", >> {st_mode=S_IFCHR|0666, st_rdev=makedev(1, 9), ...}) = >> 0 open("/dev/urandom", O_RDONLY|O_CLOEXEC) = 3 read(3, >> "\355\207\254Q\253\17d\266\22x\324\257 >> \236\205H\327b\32\221nzmx\251\216D\257J\362\301\357"..., >> 60) = 60 close(3) = 0 open("/dev/urandom", >> O_RDONLY|O_NOCTTY|O_NONBLOCK|O_CLOEXEC) = 3 fstat(3, >> {st_mode=S_IFCHR|0666, st_rdev=makedev(1, 9), ...}) = >> 0 poll([{fd=3, events=POLLIN}], 1, 10) = 1 ([{fd=3, >> revents=POLLIN}]) read(3, >> "r\324\5\243C\224\n\222d\333\25\25\2738\7\ts\351\3759\265\207&\n\251}\316 >> \20 5\224v\17\253"..., 1024) = 1024 close(3) = 0 >> getuid() = 0 stat("/dev/urandom", >> {st_mode=S_IFCHR|0666, st_rdev=makedev(1, 9), ...}) = >> 0 open("/dev/urandom", O_RDONLY|O_CLOEXEC) = 3 read(3, >> "\3323i\236\226J\353\241\201\213\20\30\201b<\371\5\246\234\230", >> 20) = 20 close(3) = 0 stat("/dev/urandom", >> {st_mode=S_IFCHR|0666, st_rdev=makedev(1, 9), ...}) = >> 0 open("/dev/urandom", O_RDONLY|O_CLOEXEC) = 3 read(3, >> "u2V%3\367\276\251\202$\376_\1\365r`N^\5?\303H\330\3173i\335\247]A\222\37 >> 6". .., 256) = 256 close(3) = 0 stat("/dev/urandom", >> {st_mode=S_IFCHR|0666, st_rdev=makedev(1, 9), ...}) = >> 0 open("/dev/urandom", O_RDONLY|O_CLOEXEC) = 3 read(3, >> "\333_\2\335]:\7\"\373s]\352\375\305\312t\244.@;\245\345\245^(\262d\350\2 >> 73[ \327-"..., 216) = 216 close(3) = 0 >> stat("/dev/urandom", {st_mode=S_IFCHR|0666, >> st_rdev=makedev(1, 9), ...}) = 0 open("/dev/urandom", >> O_RDONLY|O_CLOEXEC) = 3 read(3, "\207", 1) = 1 >> close(3) = 0 stat("/dev/urandom", >> {st_mode=S_IFCHR|0666, st_rdev=makedev(1, 9), ...}) = >> 0 open("/dev/urandom", O_RDONLY|O_CLOEXEC) = 3 read(3, >> "\332", 1) = 1 close(3) = 0 stat("/dev/urandom", >> {st_mode=S_IFCHR|0666, st_rdev=makedev(1, 9), ...}) = >> 0 open("/dev/urandom", O_RDONLY|O_CLOEXEC) = 3 read(3, >> "\22\335\242$\210`\376\376d\200\215m\213-\0162\r\257\206\335\nY\343\3376/ >> \22 4\352\360\312\336\360", 32) = 32 close(3) = 0 >> stat("/dev/urandom", {st_mode=S_IFCHR|0666, >> st_rdev=makedev(1, 9), ...}) = 0 open("/dev/urandom", >> O_RDONLY|O_CLOEXEC) = 3 read(3, >> "U\2\251M\21fm\345\334\215Q1(\253\1M!\270\226\212s&A\263}\351\16\271", >> 28) = 28 close(3) = 0 futex(0x7fdeb5bf30a8, >> FUTEX_WAKE_PRIVATE, 2147483647) = 0 >> open("/lib64/.libcrypto.so >> <http://libcrypto.so>.1.0.0.hmac", O_RDONLY) = -1 >> ENOENT (No such file or directory) >> open("/proc/sys/crypto/fips_enabled", O_RDONLY) = -1 >> ENOENT (No such file or directory) >> access("/lib64/.libcrypto.so >> <http://libcrypto.so>.1.0.0.hmac", F_OK) = -1 ENOENT >> (No such file or directory) open("/etc/localtime", >> O_RDONLY|O_CLOEXEC) = 3 fstat(3, >> {st_mode=S_IFREG|0644, st_size=127, ...}) = 0 fstat(3, >> {st_mode=S_IFREG|0644, st_size=127, ...}) = 0 >> mmap(NULL, 4096, PROT_READ|PROT_WRITE, >> MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdeb770b000 >> read(3, >> "TZif2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\1\0\0\0\1\0\0\0\0"..., >> 4096) = 127 lseek(3, -71, SEEK_CUR) = 56 read(3, >> "TZif2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\1\0\0\0\1\0\0\0\0"..., >> 4096) = 71 close(3) = 0 munmap(0x7fdeb770b000, 4096) = >> 0 socket(PF_LOCAL, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 3 >> connect(3, {sa_family=AF_LOCAL, sun_path="/dev/log"}, >> 110) = 0 sendto(3, "<11>May 23 10:11:18 imapd: >> could"..., 67, MSG_NOSIGNAL, NULL, 0) = 67 >> exit_group(70) = ? +++ exited with 70 +++ Michael On >> 05/19/2017 05:55 PM, Michael Ulitskiy wrote: Msg # >> 57050 Previous in Sequence >> <http://asg.andrew.cmu.edu/archive/message.php?mailbox=archive.info-cyrus >> &ms g=57374> Date Fri, 19 May 2017 11:32:38 -0400 To >> [email protected] From Michael Ulitskiy >> <[email protected]> Reply-To: Michael Ulitskiy >> <[email protected]> Subject Re: Multi-thread cyrus >> delayed forking of imapd processes after connecting to >> master listener My immediate guess is it blocks at >> reading /dev/random. strace should show you exactly >> where it blocks. What version of SASL are you using? >> Newer versions have switched to /dev/urandom AFAIK >> Michael On Friday, May 19, 2017 05:48:36 PM Michael >> Hieb wrote: >> >> Apologies for long post, most of it is >> configuration details. I have recently changed >> from a single threaded cyrus server in which >> multiple domains were overloaded on one listener >> as multiple virtual domains to a multiple threaded >> cyrus server in which multiple domains are >> listened for on separate ip addresses with >> separate configurations. The primary motivation >> was to have separate tls certificates for each >> domain. The problem is that I can connect to cyrus >> listener on all ip/ports for all domains, but >> while one of them will fork immediately and >> respond with a banner, the others will delay for a >> period of time from a few seconds to a minute or >> so before forking and responding with a banner. >> With the same setup, I change to a single threaded >> cyrus server to listen on all ip/ports then I get >> an immediate response on all, but of course I do >> not get the separate tls certificate or >> configuration. It is replicable that switching >> between the single threaded and multiple threaded >> configuration triggers the problem. I have >> searched the logs and the mail-lists and found >> nothing that seems related. Question: why does >> switching to multiple threaded cyrus server >> trigger delayed forking of imapd processes after >> connecting to master listener? On listener which >> responds immediately (as expected) I get this: >> user@somehost:~> telnet imap.domain1.com >> <http://imap.domain1.com> 143 Trying >> 192.168.110.171 <http://192.168.110.171>... >> Connected to imap.domain1.com >> <http://imap.domain1.com>. Escape character is >> '^]'. * OK [CAPABILITY IMAP4rev1 LITERAL+ ID >> ENABLE STARTTLS AUTH=GSS-SPNEGO AUTH=GSSAPI >> AUTH=DIGEST-MD5 AUTH=CRAM-MD5 AUTH=LOGIN >> AUTH=PLAIN SASL-IR] imap.domain1.com >> <http://imap.domain1.com> Cyrus IMAP v2.4.18 >> server ready On listener with delay, I get this >> (and process hangs for many seconds or even a >> minute or two): user@somehost:~> telnet >> imap.domain2.com <http://imap.domain2.com> 143 >> Trying 192.168.110.171 <http://192.168.110.171>... >> Connected to imap.domain2.com >> <http://imap.domain2.com>. Escape character is >> '^]'. The domain for which the listener responds >> and the one for which it delays seems to change >> and be random as far as I can tell. There is nothing >> >> >> -- >> Sent from my Android device with K-9 Mail. Please excuse my brevity. > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: <http://lists.andrew.cmu.edu/pipermail/info-cyrus/attachments/20170525/20788b7d/attachment.html> > > ------------------------------ > > Subject: Digest Footer > > _______________________________________________ > Info-cyrus mailing list > [email protected] > https://lists.andrew.cmu.edu/mailman/listinfo/info-cyrus > > > ------------------------------ > > End of Info-cyrus Digest, Vol 142, Issue 37 > ******************************************* > ---- Cyrus Home Page: http://www.cyrusimap.org/ List Archives/Info: http://lists.andrew.cmu.edu/pipermail/info-cyrus/ To Unsubscribe: https://lists.andrew.cmu.edu/mailman/listinfo/info-cyrus