Re: telnetd: All network ports in use!

[Rod Boyce <rod_boyce@stratexnet.com>]

I have sorted out this exact problem 2 weeks or so ago.  For me the problem was that the device node telnet was trying to obtain did not exist on my filesystem.  Look in /dev for device nodes ttyp* this is what they look like in my file system:
crw-------    1 root     root       3,   0 May  7  2002 ttyp0

I have added 16 of them.

Regards,
Rod Boyce
On Fri, 11 Jul 2003 09:33:11 +1200
Dmytro Bablinyuk <dmytro.bablinyuk@tait.co.nz> wrote:

>
> Finally we got u-boot with linux working, but I am experiencing problem with telnetd: "telnetd: All network ports in use!"
> I've seen around quite a few reports about the same problem but no one solution really works.
> Below I attached some info about my system in hope that somebody may be come across this problem.
> Thank you in advance for any help.
> -------
> / # cat /etc/fstab
> # /etc/fstab: static file system information.
> #
> # <file system> <mount pt>     <type>   <options>         <dump> <pass>
> /dev/root       /              ext2     rw,noauto         0      1
> tmpfs           /tmp           tmpfs    defaults          0      0
>
> none            /proc          proc     defaults          0      0
> none            /dev/pts       devpts   mode=0620         0      0
> -------
> / # mount
> /dev/ram0 on / type ext2 (rw)
> /proc on /proc type proc (rw)
> tmpfs on /tmp type tmpfs (rw)
> none on /dev/pts type devpts (rw)
> -------
> / # netstat -a
> Active Internet connections (servers and established)
> Proto Recv-Q Send-Q Local Address           Foreign Address         State
> tcp        0      0 *:telnet                *:*                     LISTEN
> Active UNIX domain sockets (servers and established)
> Proto RefCnt Flags       Type       State         I-Node Path
> unix  2      [ ]         DGRAM                    51     /dev/log
> / #
> -------
> ## Transferring control to Linux (at address 00000000) ...
> Linux version 2.4.21-erik (root@sardine.tait.co.nz) (gcc version 3.3) #35 Thu Jul 10 19:39:05 NZST 2003
> On node 0 totalpages: 2048
> zone(0): 2048 pages.
> zone(1): 0 pages.
> zone(2): 0 pages.
> Kernel command line: root=/dev/ram rw
> Decrementer Frequency = 187500000/60
> Calibrating delay loop... 49.86 BogoMIPS
> Memory: 6196k available (848k kernel code, 344k data, 48k init, 0k highmem)
> Dentry cache hash table entries: 1024 (order: 1, 8192 bytes)
> Inode cache hash table entries: 512 (order: 0, 4096 bytes)
> Mount cache hash table entries: 512 (order: 0, 4096 bytes)
> Buffer-cache hash table entries: 1024 (order: 0, 4096 bytes)
> Page-cache hash table entries: 2048 (order: 1, 8192 bytes)
> POSIX conformance testing by UNIFIX
> Linux NET4.0 for Linux 2.4
> Based upon Swansea University Computer Society NET3.039
> Initializing RT netlink socket
> Starting kswapd
> CPM UART driver version 0.03
> ttyS00 at 0x0280 is a SMC
> pty: 2048 Unix98 ptys configured
> eth0: FEC ENET Version 0.2, FEC irq 3, MII irq 4, addr 00:24:20:10:18:6a
> RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
> loop: loaded (max 8 devices)
> NET4: Linux TCP/IP 1.0 for NET4.0
> IP Protocols: ICMP, UDP, TCP, IGMP
> IP: routing cache hash table of 512 buckets, 4Kbytes
> TCP: Hash tables configured (established 512 bind 1024)
> NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
> RAMDISK: Compressed image found at block 0
> Freeing initrd memory: 644k freed
> VFS: Mounted root (ext2 filesystem).
> Freeing unused kernel memory: 48k init
> init started:  BusyBox v0.61.pre (2003.07.10-04:42+0000) multi-caip: RTNETLINK answers: File exists
>
>

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