[Gllug] Bad file descriptor

[Xander D Harkness]

I am having all the fun this week! :-)

Well another marathon post, however I think that this is more of a Linux
issue rather than a Squid issue.  I am throwing out a request for a few
ideas.

I have a box that was running squid and squidGuard very poorly.

It was so bad yesterday that squid would crash approximately every 20
minutes.  So I stuck an entry in inittab and set it to respawn.  (I am
working off site and this was a temporary fix)

I guess it became worse until it brought the server down this afternoon.

I had to run through a manual fsck as it would not repair the journal on /y

I removed squid and squidguard, I then reistalled the Red Hat default
squid and ran it with the default configuration with -N (no daemon) and -X
(full debug)

Squid does not even start writing to the log before it dies - there are no
logs and without the strace there is minimal output:

Debug output
2003/04/29 16:11:06| leave_suid: PID 4007 giving up root, becoming 'squid'
Aborted

strace output
open("/var/run/squid.pid", O_RDONLY)    = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=0, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
= 0x40014000
read(3, "", 4096)                       = 0
close(3)                                = 0
munmap(0x40014000, 4096)                = 0
getrlimit(0x7, 0xbffff1c8)              = 0
setrlimit(RLIMIT_NOFILE, {rlim_cur=1024, rlim_max=1024}) = 0
getrlimit(0x2, 0xbffff1c8)              = 0
close(1024)                             = -1 EBADF (Bad file descriptor)
close(1023)                             = -1 EBADF (Bad file descriptor)



More of the same upwards
close(15)                               = -1 EBADF (Bad file descriptor)
close(14)                               = -1 EBADF (Bad file descriptor)
close(13)                               = -1 EBADF (Bad file descriptor)
close(12)                               = -1 EBADF (Bad file descriptor)
close(11)                               = -1 EBADF (Bad file descriptor)
close(10)                               = -1 EBADF (Bad file descriptor)
close(9)                                = -1 EBADF (Bad file descriptor)
close(8)                                = -1 EBADF (Bad file descriptor)
close(7)                                = -1 EBADF (Bad file descriptor)
close(6)                                = -1 EBADF (Bad file descriptor)
close(5)                                = -1 EBADF (Bad file descriptor)
close(4)                                = -1 EBADF (Bad file descriptor)
close(3)                                = -1 EBADF (Bad file descriptor)
mmap2(NULL, 180224, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
0) = 0x400fe000
write(2, "2003/04/29 15:41:44| cachemgrReg"..., 642003/04/29 15:41:44|
cachemgrRegister: registered comm_incoming
) = 64
write(2, "2003/04/29 15:41:44| fd_open FD "..., 402003/04/29 15:41:44|
fd_open FD 0 stdin
) = 40
write(2, "2003/04/29 15:41:44| fd_open FD "..., 412003/04/29 15:41:44|
fd_open FD 1 stdout
) = 41
write(2, "2003/04/29 15:41:44| fd_open FD "..., 412003/04/29 15:41:44|
fd_open FD 2 stderr
) = 41
rt_sigaction(SIGSEGV, {0x400626d0, [], SA_RESTORER|SA_NOMASK|SA_ONESHOT,
0x42028558}, NULL, 8) = 0
rt_sigaction(SIGBUS, {0x400626d0, [], SA_RESTORER|SA_NOMASK|SA_ONESHOT,
0x42028558}, NULL, 8) = 0
rt_sigaction(SIGPIPE, {SIG_IGN}, NULL, 8) = 0
rt_sigaction(SIGCHLD, {0x400626d0, [], SA_RESTORER|SA_RESTART|SA_NOMASK,
0x42028558}, NULL, 8) = 0
getpid()                                = 3741
write(2, "2003/04/29 15:41:44| leave_suid:"..., 492003/04/29 15:41:44|
leave_suid: PID 3741 called
) = 49
geteuid32()                             = 0
setgroups32(0x1, 0x819b168)             = 0
setgid32(0x17upeek: ptrace(PTRACE_PEEKUSER, ... ): Operation not permitted





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