Date: Wed, 19 Sep 2001 02:23:28 +0200 From: Dennis Berger <Dennis.Berger@nipsi.de> To: freebsd-hackers@freebsd.org Subject: problem: FreeBSD iplog tun-device Message-ID: <3BA7E580.9CFE9EBD@nipsi.de>
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For some reason iplog doesn't work for tun-devices I don't know why, I
think it happens after forking a new process, then a resource is not
available.
note this happens only if I run "iplog -i tun0", "iplog -i xl0" for
example works fine. Maybe it happens because tun-device is opened by
user-ppp. But a few month ago iplog works fine with tun-device although
the device was opened. I added two ifconfigs and one processtrace of
iplog.
-------------------------------
Nipsi# ifconfig tun0
tun0: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 1492
inet6 fe80::210:4bff:feb3:ecd5%tun0 prefixlen 64 scopeid 0xc
inet 213.23.32.65 --> 145.253.1.164 netmask 0xffffff00
Opened by PID 204
--------------------------------
--------------------------------
xl0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet 172.16.1.1 netmask 0xffff0000 broadcast 172.16.255.255
inet6 fe80::210:4bff:feb3:ecd5%xl0 prefixlen 64 scopeid 0x1
ether 00:10:4b:b3:ec:d5
media: Ethernet autoselect (100baseTX)
status: active
-------------------------------
--------------------------------------
Nipsi# truss -S iplog -i tun0
__sysctl(0xbfbffad0,0x2,0x28068c08,0xbfbffacc,0x0,0x0) = 0 (0x0)
mmap(0x0,32768,0x3,0x1002,-1,0x0) = 671522816
(0x2806a000)
geteuid() = 0 (0x0)
getuid() = 0 (0x0)
getegid() = 0 (0x0)
getgid() = 0 (0x0)
open("/var/run/ld-elf.so.hints",0,00) = 3 (0x3)
read(0x3,0xbfbffab0,0x80) = 128 (0x80)
lseek(3,0x80,0) = 128 (0x80)
read(0x3,0x2806e000,0x51) = 81 (0x51)
close(3) = 0 (0x0)
access("/usr/lib/libpcap.so.2",0) = 0 (0x0)
open("/usr/lib/libpcap.so.2",0,027757775450) = 3 (0x3)
fstat(3,0xbfbffaf8) = 0 (0x0)
read(0x3,0xbfbfeac8,0x1000) = 4096 (0x1000)
mmap(0x0,106496,0x5,0x2,3,0x0) = 671555584
(0x28072000)
mmap(0x2808a000,4096,0x3,0x12,3,0x17000) = 671653888
(0x2808a000)
mmap(0x2808b000,4096,0x3,0x1012,-1,0x0) = 671657984
(0x2808b000)
close(3) = 0 (0x0)
access("/usr/lib/libc_r.so.4",0) = 0 (0x0)
open("/usr/lib/libc_r.so.4",0,027757775450) = 3 (0x3)
fstat(3,0xbfbffaf8) = 0 (0x0)
read(0x3,0xbfbfeac8,0x1000) = 4096 (0x1000)
mmap(0x0,745472,0x5,0x2,3,0x0) = 671662080
(0x2808c000)
mmap(0x28122000,24576,0x3,0x12,3,0x95000) = 672276480
(0x28122000)
mmap(0x28128000,106496,0x3,0x1012,-1,0x0) = 672301056
(0x28128000)
close(3) = 0 (0x0)
sigaction(SIGILL,0xbfbffb50,0xbfbffb38) = 0 (0x0)
sigprocmask(0x1,0x0,0x28068b3c) = 0 (0x0)
sigaction(SIGILL,0xbfbffb38,0x0) = 0 (0x0)
getpid() = 16306 (0x3fb2)
fcntl(0x0,0x3,0x0) = 2 (0x2)
fcntl(0x1,0x3,0x0) = 2 (0x2)
fcntl(0x2,0x3,0x0) = 2 (0x2)
pipe() = 3 (0x3)
fcntl(0x3,0x3,0x0) = 2 (0x2)
fcntl(0x3,0x4,0x6) = 0 (0x0)
fcntl(0x4,0x3,0x0) = 2 (0x2)
fcntl(0x4,0x4,0x6) = 0 (0x0)
readlink("/etc/malloc.conf",0xbfbff9a4,63) ERR#2 'No such file or
directory'
mmap(0x0,4096,0x3,0x1002,-1,0x0) = 672407552
(0x28142000)
break(0x8059000) = 0 (0x0)
break(0x805a000) = 0 (0x0)
break(0x805b000) = 0 (0x0)
break(0x805c000) = 0 (0x0)
mmap(0xbfaff000,4096,0x0,0x1000,-1,0x0) = -1078988800
(0xbfaff000)
gettimeofday(0x28124188,0x0) = 0 (0x0)
break(0x8066000) = 0 (0x0)
sigaltstack(0x2813fd40,0x0) = 0 (0x0)
sigaction(SIGHUP,0x0,0x2813c5c0) = 0 (0x0)
sigaction(SIGINT,0x0,0x2813c5d8) = 0 (0x0)
sigaction(SIGQUIT,0x0,0x2813c5f0) = 0 (0x0)
sigaction(SIGILL,0x0,0x2813c608) = 0 (0x0)
sigaction(SIGTRAP,0x0,0x2813c620) = 0 (0x0)
sigaction(SIGABRT,0x0,0x2813c638) = 0 (0x0)
sigaction(SIGEMT,0x0,0x2813c650) = 0 (0x0)
sigaction(SIGFPE,0x0,0x2813c668) = 0 (0x0)
sigaction(SIGBUS,0x0,0x2813c698) = 0 (0x0)
sigaction(SIGSEGV,0x0,0x2813c6b0) = 0 (0x0)
sigaction(SIGSYS,0x0,0x2813c6c8) = 0 (0x0)
sigaction(SIGPIPE,0x0,0x2813c6e0) = 0 (0x0)
sigaction(SIGALRM,0x0,0x2813c6f8) = 0 (0x0)
sigaction(SIGTERM,0x0,0x2813c710) = 0 (0x0)
sigaction(SIGURG,0x0,0x2813c728) = 0 (0x0)
sigaction(SIGTSTP,0x0,0x2813c758) = 0 (0x0)
sigaction(SIGCONT,0x0,0x2813c770) = 0 (0x0)
sigaction(SIGCHLD,0x0,0x2813c788) = 0 (0x0)
sigaction(SIGTTIN,0x0,0x2813c7a0) = 0 (0x0)
sigaction(SIGTTOU,0x0,0x2813c7b8) = 0 (0x0)
sigaction(SIGIO,0x0,0x2813c7d0) = 0 (0x0)
sigaction(SIGXCPU,0x0,0x2813c7e8) = 0 (0x0)
sigaction(SIGXFSZ,0x0,0x2813c800) = 0 (0x0)
sigaction(SIGVTALRM,0x0,0x2813c818) = 0 (0x0)
sigaction(SIGPROF,0x0,0x2813c830) = 0 (0x0)
sigaction(SIGWINCH,0x0,0x2813c848) = 0 (0x0)
sigaction(SIGINFO,0x0,0x2813c860) = 0 (0x0)
sigaction(SIGUSR1,0x0,0x2813c878) = 0 (0x0)
sigaction(SIGUSR2,0x0,0x2813c890) = 0 (0x0)
sigaction(SIGPROF,0xbfbffa88,0x0) = 0 (0x0)
sigaction(SIGINFO,0xbfbffa88,0x0) = 0 (0x0)
sigaction(SIGCHLD,0xbfbffa88,0x0) = 0 (0x0)
sigprocmask(0x3,0x0,0x281241f8) = 0 (0x0)
__sysctl(0xbfbffa80,0x2,0xbfbffaa0,0xbfbffa7c,0x0,0x0) = 0 (0x0)
getdtablesize() = 32768 (0x8000)
break(0x8086000) = 0 (0x0)
break(0x80c6000) = 0 (0x0)
break(0x80c7000) = 0 (0x0)
fcntl(0x0,0x4,0x6) = 0 (0x0)
fcntl(0x1,0x4,0x6) = 0 (0x0)
fcntl(0x2,0x4,0x6) = 0 (0x0)
break(0x80c8000) = 0 (0x0)
sigprocmask(0x1,0x28068b00,0xbfbffb78) = 0 (0x0)
sigprocmask(0x3,0x28068b10,0x0) = 0 (0x0)
open("/usr/local/etc/iplog.conf",0,00) ERR#2 'No such file or
directory'
break(0x80c9000) = 0 (0x0)
socket(0x1,0x2,0x0) = 5 (0x5)
fcntl(0x5,0x3,0x0) = 2 (0x2)
fcntl(0x5,0x4,0x6) = 0 (0x0)
fcntl(0x5,0x2,0x1) = 0 (0x0)
connect(0x5,0xbfbffac8,0x6a) = 0 (0x0)
gettimeofday(0xbfbfee5c,0x0) = 0 (0x0)
access("/etc/localtime",4) = 0 (0x0)
open("/etc/localtime",0,00) = 6 (0x6)
fcntl(0x6,0x3,0x0) = 0 (0x0)
fcntl(0x6,0x4,0x4) = 0 (0x0)
fstat(6,0xbfbfece4) = 0 (0x0)
read(0x6,0xbfbfc9d8,0x1f08) = 837 (0x345)
fstat(6,0xbfbfc924) = 0 (0x0)
fcntl(0x6,0x3,0x0) = 4 (0x4)
fcntl(0x6,0x4,0x0) = 0 (0x0)
close(6) = 0 (0x0)
getpid() = 16306 (0x3fb2)
sendto(0x5,0xbfbff2e4,0x30,0x0,0x0,0x0) = 48 (0x30)
fork() = 16307 (0x3fb3)
sigreturn(0x8065e7c) = 16307 (0x3fb3)
read(0x3,0x805bf38,0x80) ERR#35 'Resource
temporarily unavailable'
fcntl(0x0,0x4,0x6) = 0 (0x0)
fcntl(0x1,0x4,0x6) = 0 (0x0)
fcntl(0x2,0x4,0x6) = 0 (0x0)
fcntl(0x5,0x4,0x6) = 0 (0x0)
setitimer(0x2,0xbfbffb74,0x0) = 0 (0x0)
close(3) = 0 (0x0)
close(4) = 0 (0x0)
fcntl(0x0,0x3,0x0) = 6 (0x6)
fcntl(0x0,0x4,0x2) = 0 (0x0)
fcntl(0x1,0x3,0x0) = 2 (0x2)
fcntl(0x1,0x4,0x2) = 0 (0x0)
fcntl(0x2,0x3,0x0) = 2 (0x2)
fcntl(0x2,0x4,0x2) = 0 (0x0)
fcntl(0x5,0x3,0x0) = 6 (0x6)
fcntl(0x5,0x4,0x2) = 0 (0x0)
exit(0x0) process exit, rval = 0
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