From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from nausicaa2.coritel.it (host254-130-static.190-82-b.business.telecomitalia.it [82.190.130.254]) by ozlabs.org (Postfix) with ESMTP id C2147DDFCF for ; Wed, 9 Jul 2008 22:44:09 +1000 (EST) Message-ID: <4874B329.20505@coritel.it> Date: Wed, 09 Jul 2008 14:46:33 +0200 From: Marco Stornelli MIME-Version: 1.0 To: neeraj garg Subject: Re: Booting ML405 (Kernel panic - not syncing: No init found) References: <48744475.2080605@cdac.in> In-Reply-To: <48744475.2080605@cdac.in> Content-Type: text/plain; charset=us-ascii; format=flowed Cc: linuxppc-embedded@ozlabs.org List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , neeraj garg ha scritto: > Hi, > > I am trying to boot ML405 with Linux source code downloaded from > http://www.git.xilinx.com . My cross compiler tool chain version is > gcc-3.4.1, glibc-2.3.2 and binutils-2.15. I have also downloaded RAMDISK > from same url (http://www.git.xilinx.com). When I download > zImage.initrd.elf using XMD everything goes fine, untill RAMDISK is > uncompressed, I get following messages : > > > loaded at: 00400000 008E519C > board data at: 008E3120 008E319C > relocated to: 00404074 004040F0 > zimage at: 00404E65 00517841 > initrd at: 00518000 008E2B4A > avail ram: 008E6000 02000000 //there is restriction to use 32 MB > of memory > > some of the initial messages, and then > > [ 0.000000] Zone PFN ranges: > [ 0.000000] DMA 0 -> 8192 > [ 0.000000] Normal 8192 -> 8192 > [ 0.000000] Movable zone start PFN for each node > [ 0.000000] early_node_map[1] active PFN ranges > [ 0.000000] 0: 0 -> 8192 > [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. > Total pages: 8128 > [ 0.000000] Kernel command line: console=ttyUL0,19200 ip=off > root=/dev/ram rw init=/sbin/init > [ 0.000000] Xilinx INTC #0 at 0x1E000000 mapped to 0xFDFFF000 > [ 0.000000] PID hash table entries: 128 (order: 7, 512 bytes) > [ 0.000116] Console: colour dummy device 80x25 > [ 0.000285] Dentry cache hash table entries: 4096 (order: 2, 16384 > bytes) > [ 0.000506] Inode-cache hash table entries: 2048 (order: 1, 8192 bytes) > [ 0.004931] Memory: 26168k available (1740k kernel code, 576k data, > 104k init, 0k highmem) > [ 0.096364] Mount-cache hash table entries: 512 > > few more messages, and then > > [ 2.218059] RAMDISK: Compressed image found at block 0 > [ 3.708864] VFS: Mounted root (ext2 filesystem). > [ 3.716225] Freeing unused kernel memory > [ 3.736691] Failed to > execute /sbin/init. Attempting defaults... > [ 3.748073] Kernel panic - not syncing: No init found. Try passing > init= option to kernel. > [ 3.772040] Rebooting in 180 seconds..[ 183.487314] Signal: 8 > > > [ 183.487322] Code: 0 > [ 183.487329] Addr: c0010540 > [ 183.488000] Oops: Exception in kernel mode, sig: 8 [#1] > [ 183.488000] NIP: c0010540 LR: 00029030 CTR: c0246cec > [ 183.488000] REGS: c1c17dd0 TRAP: 2007e90 Not tainted (2.6.25-xlnx) > [ 183.488000] MSR: 00000000 <> CR: c022e764 XER: c024c0e8 > [ 183.488000] TASK = c1c14850[1] 'init' THREAD: c1c16000 > [ 183.488000] GPR00: 00000000 00000000 c0240000 c0246cec 00000000 > 00000000 c0240000 c0246cec > [ 183.488000] GPR08: c0250000 0002bf20 c022e764 c0250000 c1c17e80 > c0018e44 c1c14850 00000000 > [ 183.488000] GPR16: 0000002a b8a199a2 0000002a b87fa729 c000bc58 > b8a199a2 b873dc16 0000002a > [ 183.488000] GPR24: b87fa729 c0018e44 c022e764 000000b4 c1c17e70 > 00029030 00000000 00000000 > [ 183.488000] NIP [c0010540] cpu_clock+0x44/0x6c > [ 183.488000] LR [00029030] 0x29030 > [ 183.488000] Call Trace: > [ 183.488000] [c1c17ca0] [c0008ad8] show_stack+0x58/0x180 (unreliable) > [ 183.488000] [c1c17cd0] [c0008dec] show_regs+0x1e0/0x2cc > [ 183.488000] [c1c17d00] [c00031d0] die+0x6c/0x88 > [ 183.488000] [c1c17d20] [c000323c] _exception+0x50/0xe0 > [ 183.488000] [c1c17dc0] [c0002d90] ret_from_except_full+0x0/0x4c > [ 183.488000] Instruction dump: > [ 183.488000] XXXXXXXX XXXXXXXX XXXXXXXX 38800000 XXXXXXXX XXXXXXXX > XXXXXXXX 7c000124 > [ 183.488000] XXXXXXXX XXXXXXXX XXXXXXXX 4bfffef1 XXXXXXXX XXXXXXXX > XXXXXXXX 7d234b78 > [ 183.488000] Kernel panic - not syncing: Attempted to kill init! > > --I was doubtful about busybox version used in RAMDISK provided at git > site. So I compiled my own busybox-1.10.3 with my cross compiler tool > chain still I am facing the same problem. Can anybody guide me. > The problem is that the kernel can't find the init program. Check out it, does it exist? You can use init= kernel option to specify a new position other than the default one, if it's in a specific folder. -- Marco Stornelli Embedded Software Engineer CoRiTeL - Consorzio di Ricerca sulle Telecomunicazioni http://www.coritel.it marco.stornelli@coritel.it +39 06 72582838