I hope this will help

 # cat /proc/tty/drivers
/dev/tty             /dev/tty               5       0 system:/dev/tty
/dev/console         /dev/console    5       1 system:console
/dev/ptmx            /dev/ptmx         5       2 system
/dev/vc/0            /dev/vc/0           4       0 system:vtmaster
serial               /dev/ttyS              4      64-65 serial
pty_slave            /dev/pts            136   0-1048575 pty:slave
pty_master           /dev/ptm      128      0-1048575 pty:master
pty_slave            /dev/ttyp       3          0-255 pty:slave
pty_master           /dev/pty        2        0-255 pty:master
unknown              /dev/tty        4         1-63 console


On Mon, Sep 30, 2013 at 10:09 AM, utkarsh rawat <[email protected]>wrote:

> >ttyS1 is an odd tty for the console.  Are you sure you are connected
> >to ttyS1? Are you sure ttyS1 is brought out to the external connector,
> >if there one?
>
>  Is this question is after seeing this line
> *console handover: boot [udbg0] -> real [ttyS1]
> *
> *
> Well before making any changes I am getting login prompt easily where i
> can type user  login name(root) & password(root). Then command prompt is
> available & I can play with console. But when I made changes from
>
> In /etc/intab it was
> ::respawn:/sbin/getty -L ttS0 115200 VT100  //orginal setting
> I changed to
> ::respawn:-/bin/sh  //new setting
> *
> *command prompt is not visible it get stuck here
> console handover: boot [udbg0] -> real [ttyS1]
>
> *
> *Is there any command where I can show for which tty it is connected **
> *
>
> *
> *
> *
> *
>
> My MPC8xxx uses ttyS0 and I am pretty it's external DB9 is not
> connected and jumpered to an internal header (by default).
>
>
>
> On Sat, Sep 28, 2013 at 8:28 PM, Mike Goins 
> <[email protected]>wrote:
>
>> On Sat, Sep 28, 2013 at 8:05 AM, utkarsh rawat <[email protected]>
>> wrote:
>> > Hi Stuart
>> >
>> >>This should have worked.  What is does is to set the following in
>> >>/etc/inittab
>> >
>> >># see busybox-1.00rc2/examples/inittab for more examples
>> >>::sysinit:/etc/rc.d/rcS
>> >>::respawn:-/bin/sh
>> >>::ctrlaltdel:/sbin/reboot
>> >>::shutdown:/etc/rc.d/rcS stop
>> >>::restart:/sbin/init
>> >
>> > In /etc/intab it was
>> > ::respawn:/sbin/getty -L ttS0 115200 VT100
>> > I changed to
>> > ::respawn:-/bin/sh
>> > and load file system(rootfs.ext2.gz.uboot). But still console get stuck
>> > .Below I have put the log
>> >
>> > ## Booting image at ffc00000 ...
>> >    Image Name:   Linux-2.6.23
>> >    Image Type:   PowerPC Linux Kernel Image (gzip compressed)
>> >    Data Size:    2303803 Bytes =  2.2 MB
>> >    Load Address: 00000000
>> >    Entry Point:  00000000
>> >    Verifying Checksum ... OK
>> >    Uncompressing Kernel Image ... OK
>> > ## Loading RAMDisk Image at 01000000 ...
>> >    Image Name:
>> >    Image Type:   PowerPC Linux RAMDisk Image (gzip compressed)
>> >    Data Size:    4486554 Bytes =  4.3 MB
>> >    Load Address: 00000000
>> >    Entry Point:  00000000
>> >    Verifying Checksum ... OK
>> >    Booting using the fdt at 0xff900000
>> >    Loading Ramdisk to 0fa45000, end 0fe8c59a ... OK
>> >    Loading Device Tree to 007fa000, end 007fcfff ... OK
>> > Using MPC86xx HPCN machine description
>> > Total memory = 1024MB; using 2048kB for hash table (at cf800000)
>> > Linux version 2.6.23 (ebony@bus) (gcc version 4.1.2 (Sourcery G++ Lite
>> > 4.1-78))
>> > #1 SMP Thu Jan 17 11:10:22 CST 2008
>> > Found initrd at 0xcfa45000:0xcfe8c59a
>> > console [udbg0] enabled
>> > setup_arch: bootmem
>> > mpc86xx_hpcn_setup_arch()
>> > Found FSL PCI host bridge at 0x00000000f8008000.Firmware bus number:
>> 0->2
>> > Found FSL PCI host bridge at 0x00000000f8009000.Firmware bus number:
>> 0->0
>> > MPC86xx HPCN board from Freescale Semiconductor
>> > arch: exit
>> > Zone PFN ranges:
>> >   DMA             0 ->   196608
>> >   Normal     196608 ->   196608
>> >   HighMem    196608 ->   262144
>> > Movable zone start PFN for each node
>> > early_node_map[1] active PFN ranges
>> >     0:        0 ->   262144
>> > Built 1 zonelists in Zone order.  Total pages: 260096
>> > Kernel command line: root=/dev/ram rw console=ttyS1,115200
>> > mpic: Setting up MPIC " MPIC     " version 1.2 at f8040000, max 2 CPUs
>> > mpic: ISU size: 88, shift: 7, mask: 7f
>> > mpic: Initializing for 88 sources
>> > i8259 legacy interrupt controller initialized
>> > PID hash table entries: 4096 (order: 12, 16384 bytes)
>> > Console: colour dummy device 80x25
>> > Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
>> > Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
>> > Memory: 1027024k/1048576k available (4500k kernel code, 282828k
>> reserved,
>> > 152k d
>> > ata, 186k bss, 176k init)
>> > Mount-cache hash table entries: 512
>> > mpic: requesting IPIs ...
>> > Processor 1 found.
>> > Synchronizing timebase
>> > Got ack
>> > score 299, offset 1000
>> > score 299, offset 500
>> > score 299, offset 250
>> > score 299, offset 125
>> > score 299, offset 62
>> > score 299, offset 31
>> > score -299, offset 15
>> > score 299, offset 23
>> > score 299, offset 19
>> > score -299, offset 17
>> > score 295, offset 18
>> > score -299, offset 17
>> > Min 17 (score -299), Max 18 (score 267)
>> > Final offset: 18 (293/300)
>> > Brought up 2 CPUs
>> > NET: Registered protocol family 16
>> >
>> > PCI: Probing PCI hardware
>> > PCI: 0000:00:00.0: class b20 doesn't match header type 01. Ignoring
>> class.
>> > PCI: Transparent bridge - 0000:00:00.0
>> > PCI: Transparent bridge - 0000:01:00.0
>> > PCI: 0001:03:00.0: class b20 doesn't match header type 01. Ignoring
>> class.
>> > PCI: Transparent bridge - 0001:03:00.0
>> > Generic PHY: Registered new driver
>> > SCSI subsystem initialized
>> > usbcore: registered new interface driver usbfs
>> > usbcore: registered new interface driver hub
>> > usbcore: registered new device driver usb
>> > NET: Registered protocol family 2
>> > IP route cache hash table entries: 32768 (order: 5, 131072 bytes)
>> > TCP established hash table entries: 131072 (order: 8, 1572864 bytes)
>> > TCP bind hash table entries: 65536 (order: 7, 524288 bytes)
>> > TCP: Hash tables configured (established 131072 bind 65536)
>> > TCP reno registered
>> > checking if image is initramfs...it isn't (no cpio magic); looks like an
>> > initrd
>> > Freeing initrd memory: 4381k freed
>> > Setting up RapidIO peer-to-peer network /soc8641@f8000000/rapidio@c0000
>> > RIO: Of-device full name /soc8641@f8000000/rapidio@c0000
>> > RIO: LAW start 0x00000000c0000000, size 0x0000000020000000.
>> > RIO: Regs start 0xf80c0000 size 0x00020000
>> > RIO: Phy type: serial
>> > RIO: Hardware port width: 4
>> > RIO: Training connection status: Four-lane
>> > RIO fsl_rio_setup: Port is not ready. Try to restart connection...
>> > RIO fsl_rio_setup: Port restart failed.
>> > of-rio: probe of f80c0000.rapidio failed with error -67
>> > of-fsl-dma f8021300.dma: Probe the Freescale DMA driver for
>> fsl,mpc8540-dma
>> > cont
>> > roller at 0xf8021300...
>> > of-fsl-dma-channel f8021100.dma-channe: #0 (fsl,mpc8540-dma-channel),
>> irq 20
>> > of-fsl-dma-channel f8021180.dma-channe: #1 (fsl,mpc8540-dma-channel),
>> irq 21
>> > of-fsl-dma-channel f8021200.dma-channe: #2 (fsl,mpc8540-dma-channel),
>> irq 22
>> > of-fsl-dma-channel f8021280.dma-channe: #3 (fsl,mpc8540-dma-channel),
>> irq 23
>> > audit: initializing netlink socket (disabled)
>> > audit(0.587:1): initialized
>> > highmem bounce pool size: 64 pages
>> > Installing knfsd (copyright (C) 1996 [email protected]).
>> > fuse init (API version 7.8)
>> > io scheduler noop registered
>> > io scheduler anticipatory registered
>> > io scheduler deadline registered
>> > io scheduler cfq registered (default)
>> > Generic RTC Driver v1.07
>> > Macintosh non-volatile memory driver v1.1
>> > Serial: 8250/16550 driver $Revision: 1.90 $ 2 ports, IRQ sharing enabled
>> > serial8250.0: ttyS0 at MMIO 0xf8004500 (irq = 42) is a 16550A
>> > serial8250.0: ttyS1 at MMIO 0xf8004600 (irq = 28) is a 16550A
>> > console handover: boot [udbg0] -> real [ttyS1]  //GET STUCK HERE AFTER
>> THAT
>> > LOGIN SHOULD COME
>>
>>
>> ttyS1 is an odd tty for the console.  Are you sure you are connected
>> to ttyS1? Are you sure ttyS1 is brought out to the external connector,
>> if there one?
>>
>> My MPC8xxx uses ttyS0 and I am pretty it's external DB9 is not
>> connected and jumpered to an internal header (by default).
>>
>>
>>
>> >
>> >
>> >
>> > On Sat, Sep 28, 2013 at 3:22 PM, Stuart Hughes <[email protected]> wrote:
>> >>
>> >> Hi Utkash,
>> >>
>> >> On 27/09/13 10:59, utkarsh rawat wrote:
>> >> > Hi All
>> >> >
>> >> > I have eval board MPC8641 where my linux kernel is coming up
>> properly .I
>> >> > want to disable the login  & password (login: root & password :root)
>> i.e
>> >> > looking for autologin
>> >> > For that I went to Target System Configuration -->option->bootup with
>> >> > tty & login option I disabled
>> >> >
>> >> > After that my console itself is not coming . After some study I came
>> to
>> >>
>> >> This should have worked.  What is does is to set the following in
>> >> /etc/inittab
>> >>
>> >> # see busybox-1.00rc2/examples/inittab for more examples
>> >> ::sysinit:/etc/rc.d/rcS
>> >> ::respawn:-/bin/sh
>> >> ::ctrlaltdel:/sbin/reboot
>> >> ::shutdown:/etc/rc.d/rcS stop
>> >> ::restart:/sbin/init
>> >>
>> >> The important thing is the line: ::respawn:-/bin/sh
>> >> so provided you have /bin/sh on your system, the startup should end up
>> >> at the shell prompt rather than the login prompt.
>> >>
>> >> > know its better not to disabled the root login & password . So I
>> want to
>> >> > try as user login where i can look for autologin .
>> >> > I ltib also I have seen there is not auto login option .
>> >> > Kindly reply
>> >> > Thank you
>> >> >
>> >>
>> >> Do you mean log in as a different user? if so there is another user in
>> >> the default LTIB build: username: user, password: password (IIRC).
>> >>
>> >> There is no mechanism in LTIB to log you in automatically, you'd have
>> to
>> >> devise something (normally on the client end with something like
>> Expect).
>> >>
>> >> > --
>> >> > Utkarsh Rawat
>> >> >
>> >> >
>> >> > _______________________________________________
>> >> > LTIB home page: http://ltib.org
>> >> >
>> >> > Ltib mailing list
>> >> > [email protected]
>> >> > https://lists.nongnu.org/mailman/listinfo/ltib
>> >> >
>> >
>> >
>> >
>> >
>> > --
>> > Utkarsh Rawat
>> >
>> > _______________________________________________
>> > LTIB home page: http://ltib.org
>> >
>> > Ltib mailing list
>> > [email protected]
>> > https://lists.nongnu.org/mailman/listinfo/ltib
>> >
>>
>> _______________________________________________
>> LTIB home page: http://ltib.org
>>
>> Ltib mailing list
>> [email protected]
>> https://lists.nongnu.org/mailman/listinfo/ltib
>>
>
>
>
> --
> Utkarsh Rawat
>



-- 
Utkarsh Rawat
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