[Comm] bugs: "/etc/sysconfig/network-scripts/if-up" + "/sbin/dhcpcd" + 2 network interfaces w/ dhcp addresses

["Oleg K. Artemjev" <olli@rbauto.ru>]

Кто-то тут изумлялся, почему у него не подымается IP? ;) А не более ли чем одна у Вас карта?

Повесте кто нибудь за меня это на bug interface - у меня http уж больно сильно зарезан..

Alt Linux Master 2.0 


[root@ws002 root]# /sbin/dhcpcd eth0
[root@ws002 root]# echo $?
0
[root@ws002 root]# /sbin/dhcpcd eth1
[root@ws002 root]# echo $?
1
[root@ws002 root]# /etc/rc.d/init.d/network stop
Shutting down interface eth0:                                                                         [  OK  ]
Shutting down interface eth1:                                                                         [  OK  ]
[root@ws002 root]# /sbin/dhcpcd eth1
[root@ws002 root]# echo $?
0
[root@ws002 root]# /sbin/dhcpcd eth0
[root@ws002 root]# echo $?
1
[root@ws002 root]# 

В /etc/sysconfig/network-scripts/if-up в этом кусочке 

if [ -n "$DYNCONFIG" ]; then
    echo -n "Determining IP information for $DEVICE via ${DHCP_CLIENT##*/}..."
    if $DHCP_CLIENT $DHCP_ARGS; then
    echo " done."
    else
    echo " failed."
    exit 1
    fi

конфликт с возвратом $? от dhcpcd <interface>.

[root@ws002 root]# /etc/rc.d/init.d/network stop
Shutting down interface eth0:                                                                         [  OK  ]
Shutting down interface eth1:                                                                         [  OK  ]
[root@ws002 root]# dhcpcd eth0
[root@ws002 root]# echo $?
0
[root@ws002 root]# dhcpcd eth1
[root@ws002 root]# echo $?
1
[root@ws002 root]# ifconfig 
eth0      Link encap:Ethernet  HWaddr 00:05:5D:28:3C:AE  
          inet addr:192.168.200.2  Bcast:192.168.200.255  Mask:255.255.255.0
          UP BROADCAST NOTRAILERS RUNNING  MTU:1500  Metric:1
          RX packets:4067 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1170 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 
          RX bytes:1494436 (1.4 Mb)  TX bytes:117127 (114.3 Kb)

eth1      Link encap:Ethernet  HWaddr 00:C0:DF:09:20:9D  
          UP BROADCAST NOTRAILERS RUNNING  MTU:1500  Metric:1
          RX packets:6632 errors:0 dropped:0 overruns:0 frame:0
          TX packets:925 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 
          RX bytes:1977332 (1.8 Mb)  TX bytes:63176 (61.6 Kb)

[root@ws002 root]# 

Таким образом баг в самом dhcpcd который не отрабатывает корректно ситуацию с двумя картами.

[root@ws002 root]# strace /sbin/dhcpcd eth1 2> /tmp/dcpcd.strace
[root@ws002 root]# cat /tmp/dcpcd.strace
execve("/sbin/dhcpcd", ["/sbin/dhcpcd", "eth1"], [/* 44 vars */]) = 0
uname({sys="Linux", node="ws002", ...}) = 0
brk(0)                                  = 0x8051754
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=117420, ...}) = 0
old_mmap(NULL, 117420, PROT_READ, MAP_PRIVATE, 3, 0) = 0x2aabf000
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\0000\210"..., 1024) = 1024
fstat64(3, {st_mode=S_IFREG|0755, st_size=5752480, ...}) = 0
old_mmap(NULL, 1264224, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0x2aadc000
mprotect(0x2ac07000, 39520, PROT_NONE)  = 0
old_mmap(0x2ac07000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 3, 0x12a000) = 0x2ac07000
old_mmap(0x2ac0d000, 14944, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x2ac0d000
close(3)                                = 0
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x2ac11000
munmap(0x2aabf000, 117420)              = 0
getuid32()                              = 0
umask(022)                              = 022
open("/var/run/dhcpcd-eth1.pid", O_RDONLY) = -1 ENOENT (No such file or directory)
rt_sigaction(SIGHUP, NULL, {SIG_DFL}, 8) = 0
rt_sigaction(SIGHUP, {0x804a3c0, [], 0x4000000}, NULL, 8) = 0
rt_sigaction(SIGINT, {0x804a3c0, [], 0x4000000}, NULL, 8) = 0
rt_sigaction(SIGQUIT, {0x804a3c0, [], 0x4000000}, NULL, 8) = 0
rt_sigaction(SIGILL, {0x804a3c0, [], 0x4000000}, NULL, 8) = 0
rt_sigaction(SIGTRAP, {0x804a3c0, [], 0x4000000}, NULL, 8) = 0
rt_sigaction(SIGABRT, {0x804a3c0, [], 0x4000000}, NULL, 8) = 0
rt_sigaction(SIGBUS, {0x804a3c0, [], 0x4000000}, NULL, 8) = 0
rt_sigaction(SIGFPE, {0x804a3c0, [], 0x4000000}, NULL, 8) = 0
rt_sigaction(SIGKILL, {0x804a3c0, [], 0x4000000}, NULL, 8) = -1 EINVAL (Invalid argument)
rt_sigaction(SIGUSR1, {0x804a3c0, [], 0x4000000}, NULL, 8) = 0
rt_sigaction(SIGSEGV, {0x804a3c0, [], 0x4000000}, NULL, 8) = 0
rt_sigaction(SIGUSR2, {0x804a3c0, [], 0x4000000}, NULL, 8) = 0
rt_sigaction(SIGPIPE, {0x804a3c0, [], 0x4000000}, NULL, 8) = 0
rt_sigaction(SIGALRM, {0x804a3c0, [], 0x4000000}, NULL, 8) = 0
rt_sigaction(SIGTERM, {0x804a3c0, [], 0x4000000}, NULL, 8) = 0
rt_sigaction(SIGCHLD, {0x804a3c0, [], 0x4000000}, NULL, 8) = 0
alarm(60)                               = 0
socket(PF_PACKET, SOCK_PACKET, 768)     = 3
ioctl(3, 0x8927, 0x7ffff760)            = 0
setsockopt(3, SOL_SOCKET, SO_BROADCAST, [1], 4) = 0
ioctl(3, 0x8914, 0x7ffff760)            = 0
ioctl(3, 0x8927, 0x7ffff760)            = 0
setsockopt(3, SOL_SOCKET, SO_BROADCAST, [1], 4) = 0
ioctl(3, 0x8914, 0x7ffff760)            = 0
bind(3, {sin_family=AF_PACKET, proto=0x6574, if12648, pkttype=0, addr(0)={0, }, 16) = 0
time(NULL)                              = 1043241962
socket(PF_INET, SOCK_DGRAM, IPPROTO_IP) = 4
setsockopt(4, SOL_SOCKET, SO_BROADCAST, [1], 4) = 0
bind(4, {sin_family=AF_INET, sin_port=htons(68), sin_addr=inet_addr("0.0.0.0")}}, 16) = -1 EADDRINUSE (Address already in use)
brk(0)                                  = 0x8051754
brk(0x80518e4)                          = 0x80518e4
brk(0x8052000)                          = 0x8052000
brk(0x8055000)                          = 0x8055000
time([1043241962])                      = 1043241962
open("/etc/localtime", O_RDONLY)        = 5
fstat64(5, {st_mode=S_IFREG|0644, st_size=815, ...}) = 0
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x2aabf000
read(5, "TZif\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\f\0\0\0\f\0"..., 4096) = 815
close(5)                                = 0
munmap(0x2aabf000, 4096)                = 0
getpid()                                = 10047
rt_sigaction(SIGPIPE, {0x2abbed90, [], 0x4000000}, {0x804a3c0, [], 0x4000000}, 8) = 0
socket(PF_UNIX, SOCK_DGRAM, 0)          = 5
fcntl64(5, F_SETFD, FD_CLOEXEC)         = 0
connect(5, {sin_family=AF_UNIX, path="/dev/log"}, 16) = 0
send(5, "<131>Jan 22 16:26:02 dhcpcd[1004"..., 76, 0) = 76
rt_sigaction(SIGPIPE, {0x804a3c0, [], 0x4000000}, NULL, 8) = 0
_exit(1)                                = ?










-- 
Bye.Olli.			http://olli.digger.org.ru