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