Re: Bug in cronscript?
> The best I can do is suggest using strace (e.g. 'strace -o
> /tmp/updatedb.trace updatedb ...') to try to track down why updatedb
> isn't doing much.
Sent to soon. Here is a strace of the script.
cookiemonster:~# strace -o /tmp/updatedb.trace /etc/cron.daily/find
cookiemonster:~# cat /tmp/updatedb.trace
execve("/etc/cron.daily/find", ["/etc/cron.daily/find"], [/* 12 vars */]) =
0
uname({sys="Linux", node="cookiemonster", ...}) = 0
brk(0) = 0x80c8a10
open("/etc/ld.so.preload", O_RDONLY) = -1 ENOENT (No such file or
directory)
open("/etc/ld.so.cache", O_RDONLY) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=10154, ...}) = 0
old_mmap(NULL, 10154, PROT_READ, MAP_PRIVATE, 3, 0) = 0x40014000
close(3) = 0
open("/lib/libncurses.so.5", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0@\337\0"..., 1024) =
1024
fstat64(3, {st_mode=S_IFREG|0644, st_size=248132, ...}) = 0
old_mmap(NULL, 253056, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0x40017000
mprotect(0x4004c000, 35968, PROT_NONE) = 0
old_mmap(0x4004c000, 36864, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 3,
0x34000) = 0x4004c000
close(3) = 0
open("/lib/libdl.so.2", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0T\27\0\000"...,
1024) = 1024
fstat64(3, {st_mode=S_IFREG|0644, st_size=8008, ...}) = 0
old_mmap(NULL, 11004, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0x40055000
mprotect(0x40057000, 2812, PROT_NONE) = 0
old_mmap(0x40057000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 3,
0x1000) = 0x40057000
close(3) = 0
open("/lib/libc.so.6", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\30\222"..., 1024) =
1024
fstat64(3, {st_mode=S_IFREG|0755, st_size=1153784, ...}) = 0
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
= 0x40058000
old_mmap(NULL, 1166560, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0x40059000
mprotect(0x4016c000, 40160, PROT_NONE) = 0
old_mmap(0x4016c000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 3,
0x113000) = 0x4016c000
old_mmap(0x40172000, 15584, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x40172000
close(3) = 0
munmap(0x40014000, 10154) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
open("/dev/tty", O_RDWR|O_NONBLOCK|O_LARGEFILE) = 3
close(3) = 0
brk(0) = 0x80c8a10
brk(0x80c8a38) = 0x80c8a38
brk(0x80c9000) = 0x80c9000
getuid32() = 0
getgid32() = 0
geteuid32() = 0
getegid32() = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
time(NULL) = 1026946941
open("/etc/mtab", O_RDONLY) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=298, ...}) = 0
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
= 0x40014000
read(3, "/dev/sda3 / auto rw,errors=remou"..., 4096) = 298
close(3) = 0
munmap(0x40014000, 4096) = 0
open("/proc/meminfo", O_RDONLY) = 3
fstat64(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
= 0x40014000
read(3, " total: used: free:"..., 4096) = 522
close(3) = 0
munmap(0x40014000, 4096) = 0
brk(0x80ca000) = 0x80ca000
rt_sigaction(SIGCHLD, {SIG_DFL}, {SIG_DFL}, 8) = 0
rt_sigaction(SIGCHLD, {SIG_DFL}, {SIG_DFL}, 8) = 0
rt_sigaction(SIGINT, {SIG_DFL}, {SIG_DFL}, 8) = 0
rt_sigaction(SIGINT, {SIG_DFL}, {SIG_DFL}, 8) = 0
rt_sigaction(SIGQUIT, {SIG_DFL}, {SIG_DFL}, 8) = 0
rt_sigaction(SIGQUIT, {SIG_DFL}, {SIG_DFL}, 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigaction(SIGQUIT, {SIG_IGN}, {SIG_DFL}, 8) = 0
uname({sys="Linux", node="cookiemonster", ...}) = 0
stat64("/root", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
stat64(".", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
getpid() = 6056
getppid() = 6055
getpgrp() = 6055
rt_sigaction(SIGCHLD, {0x806f070, [], 0x4000000}, {SIG_DFL}, 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
open("/etc/cron.daily/find", O_RDONLY|O_LARGEFILE) = 3
ioctl(3, SNDCTL_TMR_TIMEBASE, 0xbffffbf8) = -1 ENOTTY (Inappropriate ioctl
for device)
_llseek(3, 0, [0], SEEK_CUR) = 0
read(3, "#! /bin/sh\n#\n# cron script to up"..., 80) = 80
_llseek(3, 0, [0], SEEK_SET) = 0
getrlimit(0x7, 0xbffffc54) = 0
dup2(3, 255) = 255
close(3) = 0
fcntl64(255, F_SETFD, FD_CLOEXEC) = 0
fcntl64(255, F_GETFL) = 0x8000 (flags
O_RDONLY|O_LARGEFILE)
fstat64(255, {st_mode=S_IFREG|0755, st_size=277, ...}) = 0
_llseek(255, 0, [0], SEEK_CUR) = 0
brk(0x80cb000) = 0x80cb000
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
read(255, "#! /bin/sh\n#\n# cron script to up"..., 277) = 277
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
stat64("/etc/updatedb.conf", {st_mode=S_IFREG|0644, st_size=397, ...}) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
stat64("/etc/updatedb.conf", {st_mode=S_IFREG|0644, st_size=397, ...}) = 0
open("/etc/updatedb.conf", O_RDONLY|O_LARGEFILE) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=397, ...}) = 0
read(3, "# This file sets environment var"..., 397) = 397
close(3) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
brk(0x80cc000) = 0x80cc000
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
chdir("/") = 0
stat64(".", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
stat64("/usr/local/sbin/updatedb", 0xbffff91c) = -1 ENOENT (No such file or
directory)
stat64("/usr/local/bin/updatedb", 0xbffff91c) = -1 ENOENT (No such file or
directory)
stat64("/usr/sbin/updatedb", 0xbffff91c) = -1 ENOENT (No such file or
directory)
stat64("/usr/bin/updatedb", {st_mode=S_IFREG|0755, st_size=5912, ...}) = 0
stat64("/usr/bin/updatedb", {st_mode=S_IFREG|0755, st_size=5912, ...}) = 0
rt_sigprocmask(SIG_BLOCK, [INT CHLD], [], 8) = 0
fork() = 6057
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0
rt_sigaction(SIGINT, {0x806e2f8, [], 0x4000000}, {SIG_DFL}, 8) = 0
wait4(-1, [WIFEXITED(s) && WEXITSTATUS(s) == 0], 0, NULL) = 6057
rt_sigprocmask(SIG_BLOCK, [CHLD TTOU], [CHLD], 8) = 0
rt_sigprocmask(SIG_SETMASK, [CHLD], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, [CHLD], [CHLD], 8) = 0
rt_sigprocmask(SIG_SETMASK, [CHLD], NULL, 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
--- SIGCHLD (Child exited) ---
wait4(-1, 0xbffff758, WNOHANG, NULL) = -1 ECHILD (No child processes)
sigreturn() = ? (mask now [])
rt_sigaction(SIGINT, {SIG_DFL}, {0x806e2f8, [], 0x4000000}, 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, [CHLD TTOU], [], 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
read(255, "", 277) = 0
_exit(0) = ?
cookiemonster:~#
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