From: Paul Clayton (paul.clayton@intec.co.za)
Date: Fri Oct 25 2002 - 06:40:07 EDT
> Gurus,
>
> Solaris 5.7 on a SS1000 server.
> I have a very strange problem here with telnet sessions dropping after 5
> minutes. The login is successful and the user can work. The sessions drops
> regardless of whether the user is working on the terminal or not.
I have ascertained that it has something to do with LDAP, as I am using the
pam_ldap and nss_ldap. I tried the latest release of nss_ldap(202), but
still the same problem. Unfortuatelty I cannot get pam_ldap to compile to
try this.
> Anybody seen this before.
>
> I have attached a trace from the inetd daemon.
>
> 2581: waitid(P_PID, 2603, 0xDFFFFB40, WEXITED|WTRAPPED|WNOWAIT) = 0
> 2581: ioctl(0, TIOCGPGRP, 0xDFFFFAFC) = 0
> 2581: ioctl(0, TCGETS, 0x00064234) = 0
> 2581: waitid(P_PID, 2603, 0xDFFFFB40, WEXITED|WTRAPPED) = 0
> 2581: time() = 1035480972
> 2581: write(2, " h a w k #", 6) = 6
> 2581: read(0, 0x00064960, 128) (sleeping...)
> 2581: read(0, " c d / l d a p\n", 128) = 9
> 2581: chdir("/ldap") = 0
> 2581: time() = 1035480977
> 2581: write(2, " h a w k #", 6) = 6
> 2581: read(0, 0x00064960, 128) (sleeping...)
> 2581: read(0, " p w d\n", 128) = 4
> 2581: lstat64("/ldap", 0xDFFFFAB8) = 0
> 2581: stat64(".", 0xDFFFFA20) = 0
> 2581: write(1, " / l d a p\n", 6) = 6
> 2581: time() = 1035481041
> 2581: write(2, " h a w k #", 6) = 6
> 2581: read(0, 0x00064960, 128) (sleeping...)
> 2581: Received signal #14, SIGALRM, in read() [caught]
> 2581: read(0, 0x00064960, 128) Err#4 EINTR
> 2581: sigfillset(0x000643B0) = 0
> 2581: sigprocmask(SIG_UNBLOCK, 0xDFFFF960, 0x00000000) = 0
> 2581: sigaction(SIGALRM, 0xDFFFF840, 0xDFFFF8C0) = 0
> 2581: kill(2581, SIGALRM) = 0
> 2581: Received signal #14, SIGALRM [default]
> ------------------------------------> This concerns me but why
> 2581: siginfo: SIGALRM pid=2581 uid=0
> 2581: *** process killed ***
> 2577: Received signal #18, SIGCLD, in poll() [caught]
> 2577: siginfo: SIGCLD CLD_KILLED pid=2581 status=0x000E
> 2577: poll(0xDFFFF818, 1, -1) Err#4 EINTR
> 2577: sigaction(SIGCLD, 0xDFFFF268, 0xDFFFF2E8) = 0
> 2577: open("/var/adm/utmpx", O_RDWR|O_CREAT, 0644) = 8
> 2577: open("/var/adm/utmpx", O_RDWR) = 9
> 2577: access("/var/adm/utmp", 0) = 0
> 2577: fstat64(9, 0xDFFFF110) = 0
> 2577: ioctl(9, TCGETA, 0xDFFFF09C) Err#25 ENOTTY
> 2577: read(9, "\0\0\0\0\0\0\0\0\0\0\0\0".., 8192) = 6324
> 2577: stat64("/etc/pam_debug", 0xDFFFF290) Err#2 ENOENT
> 2577: brk(0x0002B820) = 0
> 2577: brk(0x0002D820) = 0
> 2577: stat64("/etc/pam.conf", 0xDFFFF118) = 0
> 2577: open("/etc/pam.conf", O_RDONLY) = 10
> 2577: mmap(0x00000000, 1664, PROT_READ, MAP_PRIVATE, 10, 0) = 0xDF770000
> 2577: munmap(0xDF770000, 1664) = 0
> 2577: close(10) = 0
> 2577: stat64("/usr/lib/security/pam_unix.so.1", 0xDFFFF1D0) = 0
> 2577: open("/usr/lib/security/pam_unix.so.1", O_RDONLY) = 10
> 2577: fstat(10, 0xDFFFEAFC) = 0
> 2577: mmap(0x00000000, 4096, PROT_READ|PROT_EXEC, MAP_PRIVATE, 10, 0) =
> 0xDF770000
> 2577: mmap(0x00000000, 172032, PROT_READ|PROT_EXEC, MAP_PRIVATE, 10, 0)
> = 0xDF530000
> 2577: mmap(0xDF555000, 18958, PROT_READ|PROT_WRITE|PROT_EXEC,
> MAP_PRIVATE|MAP_FIXED, 10, 86016) = 0xDF555000
> 2577: munmap(0xDF546000, 61440) = 0
> 2577: open("/dev/zero", O_RDONLY) = 11
> 2577: mmap(0x00000000, 4096, PROT_READ|PROT_WRITE|PROT_EXEC,
> MAP_PRIVATE, 11, 0) = 0xDF520000
> 2577: memcntl(0xDF530000, 19496, MC_ADVISE, 0x0003, 0, 0) = 0
> 2577: close(10) = 0
> 2577: close(11) = 0
> 2577: munmap(0xDF770000, 4096) = 0
> 2577: munmap(0xDF555000, 19000) = 0
> 2577: munmap(0xDF530000, 88954) = 0
> 2577: time() = 1035481264
> 2577: lseek(8, 0, SEEK_SET) = 0
> 2577: lseek(9, 0, SEEK_SET) = 0
> 2577: read(9, "\0\0\0\0\0\0\0\0\0\0\0\0".., 8192) = 6324
> 2577: getuid() = 0 [0]
> 2577: read(9, 0x000281BC, 8192) = 0
> 2577: lseek(8, 0, SEEK_SET) = 0
> 2577: lseek(9, 0, SEEK_SET) = 0
> 2577: read(9, "\0\0\0\0\0\0\0\0\0\0\0\0".., 8192) = 6324
> 2577: lseek(9, 0xFFFFF2EC, SEEK_CUR) = 2976
> 2577: llseek(9, 0, SEEK_CUR) = 2976
> 2577: write(9, " r o o t\0\0\0\0\0\0\0\0".., 372) = 372
> 2577: open("/var/adm/utmp", O_RDWR|O_CREAT, 0644) = 10
> 2577: lseek(10, 288, SEEK_SET) = 288
> 2577: write(10, " r o o t\0\0\0\0 t 1 0 0".., 36) = 36
> 2577: close(10) = 0
> 2577: open("/etc/utmppipe", O_RDWR|O_NDELAY|O_NONBLOCK) = 10
> 2577: write(10, "\0\0\002\0\0\n15", 8) = 8
> 2577: close(10) = 0
> 2577: open("/etc/initpipe", O_RDWR) = 10
> 2577: write(10, "\0\0\002\0\0\n15", 8) = 8
> 2577: close(10) = 0
> 2577: open("/var/adm/wtmp", O_WRONLY|O_APPEND) = 10
> 2577: open("/var/adm/wtmpx", O_WRONLY|O_APPEND) = 11
> 2577: lseek(10, 0, SEEK_END) = 15696
> 2577: lseek(11, 0, SEEK_END) = 162192
> 2577: write(10, " r o o t\0\0\0\0 t 1 0 0".., 36) = 36
> 2577: write(11, " r o o t\0\0\0\0\0\0\0\0".., 372) = 372
> 2577: close(10) = 0
> 2577: close(11) = 0
> 2577: close(8) = 0
> 2577: llseek(9, 0, SEEK_CUR) = 3348
> 2577: close(9) = 0
> 2577: sigaction(SIGCLD, 0xDFFFF268, 0xDFFFF2E8) = 0
> 2577: llseek(0, 0, SEEK_CUR) Err#29 ESPIPE
> 2577: _exit(1)
> 156: Received signal #18, SIGCLD, in poll() [caught]
> 156: siginfo: SIGCLD CLD_EXITED pid=2577 status=0x0001
> 156: poll(0xDFFFF630, 41, -1) Err#4 EINTR
> 156: sigprocmask(0, 0x00000000, 0xDFFFF260) = 0
> 156: sigprocmask(SIG_BLOCK, 0xDFFFF260, 0xDFFFF250) = 0
> 156: waitid(P_ALL, 0, 0xDFFFF2D0, WEXITED|WNOHANG) = 0
> 156: waitid(P_ALL, 0, 0xDFFFF2D0, WEXITED|WNOHANG) = 0
> 156: sigprocmask(0, 0x00000000, 0xDFFFF260) = 0
> 156: sigprocmask(SIG_SETMASK, 0xDFFFF260, 0xDFFFF250) = 0
> 156: setcontext(0xDFFFF410)
> 156: alarm(0) = 0
> 156: sigaction(SIGALRM, 0xDFFFF6F0, 0xDFFFF7A0) = 0
> 156: sigprocmask(SIG_BLOCK, 0xDFFFF790, 0xDFFFF780) = 0
> 156: alarm(1) = 0
> 156: Received signal #14, SIGALRM, in sigsuspend() [caught]
> 156: sigsuspend(0xDFFFF770) Err#4 EINTR
> 156: setcontext(0xDFFFF550)
> 156: alarm(0) = 0
> 156: sigprocmask(SIG_UNBLOCK, 0xDFFFF790, 0x00000000) = 0
> 156: sigaction(SIGALRM, 0xDFFFF6F0, 0x00000000) = 0
> 156: poll(0xDFFFF630, 41, -1) (sleeping...)
>
>
>
>
> Regards
>
> Unix like TeePee no windows, no gates, Apache inside.
> Paul Clayton
> Intec Telecom Systems
> Ph +27 (0) 21 4309000
> Fax +27 (0) 21 4309025
> Mobile +27(0) 832853403
>
>
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