El 17/03/2012 13:47, Wietse Venema escribió:
Postfix need to lock a file. Your kernel says "Cannot allocate
memory". Fix your kernel, or configure fewer Postfix processes
(try: default_process_limit = 10).
What postfix is trying (in the loop) to do when does not work?
According lsof I have 729 files opened.
lsof:
####################
master 5360 root 85w FIFO 0,7 0t0
1224753202 pipe
master 5360 root 11r FIFO 0,7 0t0
1224753202 pipe
...
named 15357 named 11w REG 253,18 45612
1188255 /var/named/data/named.run
squid 15538 squid 11w REG 253,18 3111624
1122460 /var/spool/squid/swap.state
strace
###################
open("/etc/postfix/master.cf", O_RDONLY) = 11
...
pipe([11, 85]) = 0
fcntl(85, F_GETFL) = 0x1 (flags O_WRONLY)
fcntl(85, F_SETFL, O_WRONLY|O_NONBLOCK) = 0
fcntl(11, F_GETFL) = 0 (flags O_RDONLY)
fcntl(11, F_SETFL, O_RDONLY|O_NONBLOCK) = 0
fcntl(85, F_GETFD) = 0
fcntl(85, F_SETFD, FD_CLOEXEC) = 0
fcntl(11, F_GETFD) = 0
fcntl(11, F_SETFD, FD_CLOEXEC) = 0
Good, works
#################################################
alarm(333) = 333
epoll_wait(13, {}, 100, 60000) = 0
geteuid() = 0
setresgid(-1, 89, -1) = 0
setgroups(1, [89]) = 0
setresuid(-1, 89, -1) = 0
open("public/pickup", O_WRONLY|O_NONBLOCK) = 88
fstat(88, {st_mode=S_IFIFO|0622, st_size=0, ...}) = 0
lstat("public/pickup", {st_mode=S_IFIFO|0622, st_size=0, ...}) = 0
fcntl(88, F_GETFL) = 0x8801 (flags
O_WRONLY|O_NONBLOCK|O_LARGEFILE)
fcntl(88, F_SETFL, O_WRONLY|O_NONBLOCK|O_LARGEFILE) = 0
poll([{fd=88, events=POLLOUT}], 1, 1000) = 1 ([{fd=88, revents=POLLOUT}])
write(88, "W", 1) = 1
close(88) = 0
getgid() = 0
getuid() = 0
geteuid() = 89
setresuid(-1, 0, -1) = 0
setgid(0) = 0
setgroups(1, [0]) = 0
setuid(0) = 0
alarm(333) = 273
Error, do not work
##############################################
--- SIGCHLD (Child exited) @ 0 (0) ---
write(85, "\0", 1) = 1
rt_sigreturn(0x55) = -1 EINTR (Interrupted system call)
alarm(333) = 332
epoll_wait(13, {{EPOLLIN, {u32=11, u64=6482466260943634443}}}, 100,
13000) = 1
read(11, "\0", 1) = 1
read(11, 0x7fff805466bf, 1) = -1 EAGAIN (Resource
temporarily unavailable)
wait4(-1, [{WIFEXITED(s) && WEXITSTATUS(s) == 1}], WNOHANG, NULL) = 5175
sendto(3, "<20>Mar 20 11:10:46 postfix/mast"..., 109, MSG_NOSIGNAL,
NULL, 0) = 109
sendto(3, "<20>Mar 20 11:10:46 postfix/mast"..., 113, MSG_NOSIGNAL,
NULL, 0) = 113
wait4(-1, 0x7fff80546b98, WNOHANG, NULL) = 0
alarm(333) = 333
epoll_wait(13, {}, 100, 13000) = 0
geteuid() = 0
setresgid(-1, 89, -1) = 0
setgroups(1, [89]) = 0
setresuid(-1, 89, -1) = 0
open("public/pickup", O_WRONLY|O_NONBLOCK) = 88
fstat(88, {st_mode=S_IFIFO|0622, st_size=0, ...}) = 0
lstat("public/pickup", {st_mode=S_IFIFO|0622, st_size=0, ...}) = 0
fcntl(88, F_GETFL) = 0x8801 (flags
O_WRONLY|O_NONBLOCK|O_LARGEFILE)
fcntl(88, F_SETFL, O_WRONLY|O_NONBLOCK|O_LARGEFILE) = 0
poll([{fd=88, events=POLLOUT}], 1, 1000) = 1 ([{fd=88, revents=POLLOUT}])
write(88, "W", 1) = 1
close(88) = 0
getgid() = 0
getuid() = 0
geteuid() = 89
setresuid(-1, 0, -1) = 0
setgid(0) = 0
setgroups(1, [0]) = 0
setuid(0) = 0
alarm(333) = 320
epoll_wait(13, {{EPOLLIN, {u32=17, u64=6540183302777602065}}}, 100,
47000) = 1
read(17, "\35\r\0\0t\0\0\0\0\0\0\0", 12) = 12
alarm(333) = 333
epoll_wait(13, {{EPOLLIN, {u32=17, u64=6540183302777602065}}}, 100,
47000) = 1
read(17, "\35\r\0\0t\0\0\0\1\0\0\0", 12) = 12
alarm(333) = 333
epoll_wait(13, {}, 100, 47000) = 0
epoll_ctl(13, EPOLL_CTL_ADD, 25, {EPOLLIN, {u32=25,
u64=6491915257714311193}}) = 0
alarm(333) = 286
epoll_wait(13, {{EPOLLIN, {u32=25, u64=6491915257714311193}}}, 100,
13000) = 1
clone(child_stack=0,
flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD,
child_tidptr=0x7f0959f41a90) = 9163
epoll_ctl(13, EPOLL_CTL_DEL, 25, {EPOLLIN, {u32=25,
u64=6312716186899447833}}) = 0
alarm(333) = 333
epoll_wait(13, 7fff805466e0, 100, 13000) = -1 EINTR (Interrupted system
call)
--- SIGCHLD (Child exited) @ 0 (0) ---
