INIT:
Paulinha
gnathita at gmail.com
Mon Mar 6 18:41:33 EST 2006
Hi,
I had the same problem two weeks ago, and my error was that I forgot to add
PTY support on the linux kernel.
Hope this help!
Paula
On 3/3/06, Patil, Pankaj P. <Pankaj.Patil at hp.com> wrote:
>
> I do have /dev/console in my file system. In fact , i used ethereal on
> the host to see how far the INIT goes.
> I saw all the usual NFS Lookup calls like /lib, /ld-2.3.1.so ..... /libc-
> 2.31.so
> The last NFS lookup call looks like DH:0xbea72a4a/tty0
> There are bunch of read replys after that but no more NFS lookups. Is it
> normal to see a NFS Lookup that looks like 0xbea72a4a/tty0 ??
> What should be the next NFS Lookup call?
> I did some searching from previous posts but haven't found exactly what i
> am looking for. I am attaching a link to something that looks similar to my
> problem. Just in case, someone's having trouble understanding my issue.
> http://ozlabs.org/pipermail/linuxppc-embedded/2004-August/015250.html
>
> Thanks
> pankaj
>
> -----Original Message-----
> From: atul.sabharwal at exgate.tek.com
> [mailto:atul.sabharwal at exgate.tek.com]
> Sent: Tuesday, February 28, 2006 6:03 PM
> To: Patil, Pankaj P.
> Cc: linuxppc-embedded at ozlabs.org
> Subject: RE: INIT:
>
>
> Easy answer is do you have /dev/console in your file system. Glibc
> opens
> /dev/console and the kernel uses /dev/ttyS0 as specified on the command
> line. There should not be any app calling uart_close as the console
> deriver
> should be opening it.
>
> --
> Atul
>
> Hi,
> I am running u-boot & linux2.6.12 on a custom ppc board(functional HW).
> I can get to the point where u-boot loads the kernel, kernel does all
> the initialization, loads the Root File System over NFS & calls the
> Init process.
> Next, i am expecting to see a shell prompt. I am not sure where in the
> Init process i am failing. I have written my own serial driver(Philips
> SC28L194 Quad UART--under development-possible culprit). The printks
> work just fine.
> All i see is the kernel calling the Init process & after a minute or so
> i see uart_close call.
> The kernel runs just fine & responds to ping.
> What can trigger a uart_close??(tty_release calls release_dev calls
> uart_close) I have a JTAG debugger. What's the best way to debug once
> Init process is running??
>
>
>
> I am attaching a dump of my console:
> U-Boot 1.1.3 (Dec 16 2005 - 16:00:23), Build: 0.4.1
>
> SysClock = 120Mhz , TClock = 120Mhz
> CPU: MPC7447A v1.1 @ 960 MHz
> CPU bus mode : 60x
>
> DRAM: SPD Checksum ok!
> -- DIMM1 has 2 banks
> -- DIMM2 has 0 banks
> ECC Initialization of Bank 0: Done
> CAS Latency = 2 tRP = 3 tRAS = 6 tRCD=3
> Total SDRAM memory is 1024 MB
> Now running in RAM - U-Boot at: 00fc0000
> Remapped Internal SRAM to 0xf2000000
> Remapped Flash Card to 0xffc00000
> FLASH: 4 MB
> Addresses 32M - 0M are saved for the U-Boot usage.
> Mem malloc Initialization (32M - 16M): Done
>
> Internal SRAM ECC Initialization: Done
> ***Phy Reset***
> Phy Auto-Negotiation Bit ReEnabled in SW
> Net: , mv_enet1 [PRIME]
> Hit any key to stop autoboot: 0
> Ethernet status port 1: Link up, Full Duplex, Speed 100 Mbps
> Using mv_enet1 device
> TFTP from server 192.168.1.1; our IP address is 192.168.1.2
> Filename 'uImage'.
> Load address: 0x400000
> Loading:
> #################################################################
>
> #################################################################
>
> #################################################################
> ########################
> done
> Bytes transferred = 1119847 (111667 hex)
>
> ### Network statistics: ###
> --------------------------
> Packets received: 2192
> Packets send: 2191
> Received bytes: 2347583
> Send bytes: 100803
> ## Booting image at 00400000 ...
> Image Name: Linux-2.6.12
> Created: 2006-02-14 0:37:17 UTC
> Image Type: PowerPC Linux Kernel Image (gzip compressed)
> Data Size: 1119783 Bytes = 1.1 MB
> Load Address: 00000000
> Entry Point: 00000000
> Verifying Checksum ... OK
> Uncompressing Kernel Image ... OK
> ## cmdline at 0x007FFF00 ... 0x007FFF98
> memstart = 0x00000000
> memsize = 0x40000000
> flashstart = 0xFFC00000
> flashsize = 0x00400000
> flashoffset = 0x00000000
> sramstart = 0xF8000000
> sramsize = 0x00400000
> bootflags = 0x00000001
> intfreq = 960 MHz
> busfreq = 120 MHz
> ethaddr = 64:00:00:00:00:00
> IP addr = 192.168.1.2
> baudrate = 115200 bps
> tclk = 0 MHz
> uboot_ver = 0.4.1a
> L3 was init = 0
> Total memory = 768MB; using 2048kB for hash table (at c0400000)
> Linux version 2.6.12 (root at RHEL40) (gcc version 3.3.3 (DENX ELDK 3.1.1
> 3.3.3-10)) #154 Mon Feb 13 17:36:35 MST 2006
> System Identification:
> Freescale 74XX port
> Built 1 zonelists
> Kernel command line: console=ttyS0,115200 root=/dev/nfs rw
> nfsroot=192.168.1.1:/target/chestnut/rootfs
> ip=192.168.1.2:192.168.1.1:192.168.1.1:255.255.255.0:DB64xxx:eth0:non
> e
> PID hash table entries: 4096 (order: 12, 65536 bytes)
> time_init: decrementer frequency = 30.000000 MHz
> 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: 774400k available (1596k kernel code, 556k data, 344k init, 0k
> highmem)
> Mount-cache hash table entries: 512
>
> NET: Registered protocol family 16
> PCI: Probing PCI hardware
> JFFS2 version 2.2. (C) 2001-2003 Red Hat, Inc.
> Generic RTC Driver v1.07
> Serial: SC28L194 driver 4 ports
> ttyS0 at MMIO 0x0 (irq = 17) is a PHILIPS SC28L194
> ttyS1 at MMIO 0x0 (irq = 17) is a PHILIPS SC28L194
> ttyS2 at MMIO 0x0 (irq = 17) is a PHILIPS SC28L194
> ttyS3 at MMIO 0x0 (irq = 17) is a PHILIPS SC28L194
> io scheduler noop registered
> io scheduler anticipatory registered
> io scheduler deadline registered
> io scheduler cfq registered
> RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
> loop: loaded (max 8 devices)
> MV-643xx 10/100/1000 Ethernet Driver
> eth0: port 1 with MAC address 00:11:85:da:0b:02
> eth0: RX NAPI Enabled
> physmap flash device: 400000 at ffc00000
> mice: PS/2 mouse device common for all mice
> NET: Registered protocol family 2
> IP: routing cache hash table of 8192 buckets, 64Kbytes
> TCP established hash table entries: 131072 (order: 8, 1048576 bytes)
> TCP bind hash table entries: 65536 (order: 6, 262144 bytes)
> TCP: Hash tables configured (established 131072 bind 65536)
> NET: Registered protocol family 1
> NET: Registered protocol family 17
> IP-Config: Complete:
> device=eth0, addr=192.168.1.2, mask=255.255.255.0, gw=192.168.1.1,
> host=DB64xxx, domain=, nis-domain=(none),
> bootserver=192.168.1.1, rootserver=192.168.1.1, rootpath=
> Looking up port of RPC 100003/2 on 192.168.1.1
> Looking up port of RPC 100005/1 on 192.168.1.1
> VFS: Mounted root (nfs filesystem).
> Freeing unused kernel memory: 344k init
>
>
> Any help appreceated.
> Thanks
> pankaj
>
>
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