Now i ported the 2.6.31.14 which i took from <a href="http://kernel.org">kernel.org</a> stable kernel version on 2451 samsung board.But still not getting prompt.I made the same changes only like 2.6.33.6 but i am not getting error like previous log which i sent for 2.6.33.6.Not i am getting the following log.<br>
<br>Starting kernel ...<br><br><br>Uncompressing Linux................................................................... done, booting the kernel.<br>Linux version 2.6.31.14 (root@ubntu-desktop) (gcc version 4.2.2) #12 Wed Jul 28 17:19:29 IST 2010<br>
CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=00053177<br>CPU: VIVT data cache, VIVT instruction cache<br>Machine: SMDK2450<br>Ignoring unrecognised tag 0x00000000<br>Memory policy: ECC disabled, Data cache writeback<br>
CPU S3C2450 EVT3 (id 0x32450003)<br>SPA epll 80200102 Mpll 80640061 clkdiv0 557 <br>S3C24XX Clocks, (c) 2004 Simtec Electronics<br>S3C2450: mpll on 800.000 MHz, cpu 400.000 MHz, mem 133.333 MHz, pclk 66.666 MHz<br>
S3C2450: epll on 96.000 MHz, usb-bus 48.000 MHz<br>Built 1 zonelists in Zone order, mobility grouping on. Total pages: 16256<br>Kernel command line: root=/dev/ram initrd=0x30800000,8M ramdisk=8192 init=/bin/sh console=ttySAC3,115200 mem=64M<br>
PID hash table entries: 256 (order: 8, 1024 bytes)<br>Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)<br>Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)<br>Memory: 64MB = 64MB total<br>Memory: 54520KB available (1784K code, 223K data, 88K init, 0K highmem)<br>
Hierarchical RCU implementation.<br>NR_IRQS:109<br>irq: clearing subpending status 02000006<br>irq: clearing subpending status 02000002<br>timer tcon=00000000, tcnt 28af, tcfg 00000f00,00000000, usec 00007ae2<br>console [ttySAC3] enabled<br>
Calibrating delay loop... 398.95 BogoMIPS (lpj=997376)<br>Mount-cache hash table entries: 512<br>CPU: Testing write buffer coherency: ok<br>whats up blady <br>hello <br>entered machine init <br>S3C Power Management, Copyright 2004 Simtec Electronics<br>
S3C2450: Initialising architecture<br>SPA s3c2450_init <br>S3C2450: IRQ Support<br>bio: create slab <bio-0> at 0<br>Trying to unpack rootfs image as initramfs...<br>rootfs image is not initramfs (no cpio magic); looks like an initrd<br>
Freeing initrd memory: 8192K<br>NetWinder Floating Point Emulator V0.97 (double precision)<br>JFFS2 version 2.2. (NAND) © 2001-2006 Red Hat, Inc.<br>ROMFS MTD (C) 2007 Red Hat, Inc.<br>msgmni has been set to 122<br>alg: No test for stdrng (krng)<br>
Block layer SCSI generic (bsg) driver version 0.4 loaded (major 254)<br>io scheduler noop registered<br>io scheduler anticipatory registered<br>io scheduler deadline registered<br>io scheduler cfq registered (default)<br>
Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled<br>brd: module loaded<br>loop: module loaded<br>RAMDISK: gzip image found at block 0<br>EXT2-fs warning: maximal mount count reached, running e2fsck is recommended<br>
VFS: Mounted root (ext2 filesystem) on device 1:0.<br>Freeing init memory: 88K<br>Warning: unable to open an initial console.<br>Kernel panic - not syncing: Attempted to kill init!<br><br><br><br><br><br><div class="gmail_quote">
On Thu, Jul 29, 2010 at 7:23 AM, Wan ZongShun <span dir="ltr"><<a href="http://mcuos.com">mcuos.com</a>@<a href="http://gmail.com">gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
2010/7/28 Ben Dooks <<a href="mailto:ben-linux@fluff.org">ben-linux@fluff.org</a>>:<br>
> On Wed, Jul 28, 2010 at 08:51:06AM +0530, nitin vishnoi wrote:<br>
>> Hi<br>
>><br>
>> I am porting the 2.6.33.6 kernel,which i took from kernel.org.I am trying to<br>
>> port it on samsung-s3c2451 board.<br>
>> But i am not getting the shell prompt,due to getting the following error.Any<br>
>> body can tell due to what this error i am getting?<br>
>><br>
>> Starting kernel ...<br>
>><br>
>><br>
>> Uncompressing Linux... done, booting the kernel.<br>
>> Linux version 2.6.33.6 (root@ubntu-desktop) (gcc version 4.2.2) #12 Mon Jul<br>
>> 26 18:39:19 IST 2010<br>
>> CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=00053177<br>
>> CPU: VIVT data cache, VIVT instruction cache<br>
>> Machine: SMDK2450<br>
>> Ignoring unrecognised tag 0x00000000<br>
>> Memory policy: ECC disabled, Data cache writeback<br>
>> CPU S3C2450 EVT3 (id 0x32450003)<br>
>> SPA epll 80200102 Mpll 80640061 clkdiv0 557<br>
>> S3C24XX Clocks, (c) 2004 Simtec Electronics<br>
>> S3C2450: mpll on 800.000 MHz, cpu 400.000 MHz, mem 133.333 MHz, pclk 66.666<br>
>> MHz<br>
>> S3C2450: epll on 96.000 MHz, usb-bus 48.000 MHz<br>
>> Built 1 zonelists in Zone order, mobility grouping on. Total pages: 16256<br>
>> Kernel command line: root=/dev/ram0 initrd=0x30800000,16M ramdisk=32768<br>
>> init=/bin/sh console=ttySAC3,115200 mem=64M<br>
>> PID hash table entries: 256 (order: -2, 1024 bytes)<br>
>> Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)<br>
>> Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)<br>
>> Memory: 64MB = 64MB total<br>
>> Memory: 45432KB available (2588K code, 271K data, 116K init, 0K highmem)<br>
>> Hierarchical RCU implementation.<br>
>> NR_IRQS:109<br>
>> irq: clearing subpending status 02000006<br>
>> irq: clearing subpending status 02000002<br>
>> timer tcon=00000000, tcnt 28af, tcfg 00000f00,00000000, usec 00007ae2<br>
>> Console: colour dummy device 80x30<br>
>> console [ttySAC3] enabled<br>
>> Calibrating delay loop... 398.95 BogoMIPS (lpj=997376)<br>
>> Mount-cache hash table entries: 512<br>
>> CPU: Testing write buffer coherency: ok<br>
>> NET: Registered protocol family 16<br>
>> whats up blady<br>
>> hello<br>
>> entered machine init<br>
>> S3C Power Management, Copyright 2004 Simtec Electronics<br>
>> S3C2450: Initialising architecture<br>
>> SPA s3c2450_init<br>
>> S3C2450: IRQ Support<br>
>> bio: create slab <bio-0> at 0<br>
>> SCSI subsystem initialized<br>
>> NET: Registered protocol family 2<br>
>> IP route cache hash table entries: 1024 (order: 0, 4096 bytes)<br>
>> TCP established hash table entries: 2048 (order: 2, 16384 bytes)<br>
>> TCP bind hash table entries: 2048 (order: 1, 8192 bytes)<br>
>> TCP: Hash tables configured (established 2048 bind 2048)<br>
>> TCP reno registered<br>
>> UDP hash table entries: 256 (order: 0, 4096 bytes)<br>
>> UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)<br>
>> NET: Registered protocol family 1<br>
>> Trying to unpack rootfs image as initramfs...<br>
>> rootfs image is not initramfs (no cpio magic); looks like an initrd<br>
>> Freeing initrd memory: 16384K<br>
>> NetWinder Floating Point Emulator V0.97 (double precision)<br>
>> JFFS2 version 2.2. (NAND) © 2001-2006 Red Hat, Inc.<br>
>> ROMFS MTD (C) 2007 Red Hat, Inc.<br>
>> msgmni has been set to 120<br>
>> alg: No test for stdrng (krng)<br>
>> Block layer SCSI generic (bsg) driver version 0.4 loaded (major 254)<br>
>> io scheduler noop registered<br>
>> io scheduler deadline registered<br>
>> io scheduler cfq registered (default)<br>
>> brd: module loaded<br>
>> loop: module loaded<br>
>> Uniform Multi-Platform E-IDE driver<br>
>> ide-gd driver 1.18<br>
>> ide-cd driver 5.00<br>
>> PPP generic driver version 2.4.2<br>
>> PPP Deflate Compression module registered<br>
>> PPP BSD Compression module registered<br>
>> PPP MPPE Compression module registered<br>
>> NET: Registered protocol family 24<br>
>> SLIP: version 0.8.4-NET3.019-NEWTTY (dynamic channels, max=256).<br>
>> CSLIP: code copyright 1989 Regents of the University of California.<br>
>> mice: PS/2 mouse device common for all mice<br>
>> TCP cubic registered<br>
>> RAMDISK: gzip image found at block 0<br>
>> EXT2-fs (ram0): warning: maximal mount count reached, running e2fsck is<br>
>> recommended<br>
>> VFS: Mounted root (ext2 filesystem) on device 1:0.<br>
>> Freeing init memory: 116K<br>
>> Warning: unable to open an initial console.<br>
>> Kernel panic - not syncing: Attempted to kill init!<br>
>> [<c002b900>] (unwind_backtrace+0x0/0xe0) from [<c003fe9c>]<br>
>> (panic+0x40/0x12c)<br>
>> [<c003fe9c>] (panic+0x40/0x12c) from [<c0042cac>] (do_exit+0x58/0x57c)<br>
>> [<c0042cac>] (do_exit+0x58/0x57c) from [<c0043254>]<br>
>> (do_group_exit+0x84/0xb8)<br>
>> [<c0043254>] (do_group_exit+0x84/0xb8) from [<c004329c>]<br>
>> (sys_exit_group+0x14/0x20)<br>
>> [<c004329c>] (sys_exit_group+0x14/0x20) from [<c0025e80>]<br>
>> (ret_fast_syscall+0x0/0x28)<br>
><br>
> looks like whatever you're trying to run as init doesn't have /dev/console<br>
> available.<br>
Ben, I make sure there is /dev/console in his rootfs directory.<br>
nitin vishnoi, do you confirm you need the ext to mount the ramdisk?<br>
<br>
maybe you can decrease 'ramdisk=32768' to 'ramdisk=8192'.<br>
<br>
>there seems to be no evidence of UARTs being added in the<br>
> setup, are they being registered with the serial driver properly?<br>
><br>
> --<br>
> Ben<br>
><br>
> Q: What's a light-year?<br>
> A: One-third less calories than a regular year.<br>
><br>
><br>
<br>
<br>
<br>
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