From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from talk.nabble.com (www.nabble.com [72.21.53.35]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTP id 91FDADDDE7 for ; Tue, 23 Jan 2007 15:17:47 +1100 (EST) Received: from [72.21.53.38] (helo=jubjub.nabble.com) by talk.nabble.com with esmtp (Exim 4.50) id 1H9D6C-0000zR-BI for linuxppc-embedded@ozlabs.org; Mon, 22 Jan 2007 20:17:32 -0800 Message-ID: <8515241.post@talk.nabble.com> Date: Mon, 22 Jan 2007 20:17:32 -0800 (PST) From: Nethra To: linuxppc-embedded@ozlabs.org Subject: linux booting using ramdisk MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , hi, I am using MPC8272ADS board.I am getting fallowing error for kernel booting... => printenv bootdelay=5 baudrate=115200 ethact=FCC2 ETHERNET filesize=23a19c fileaddr=300000 ipaddr=192.168.174.231 serverip=192.168.178.110 ethaddr=00:99:23:44:ad:de stdin=serial stdout=serial stderr=serial bootargs=root=/dev/ram Environment size: 219/262140 bytes => tftpboot 0x400000 8272ADS_ramdisk_img Using FCC2 ETHERNET device TFTP from server 192.168.178.110; our IP address is 192.168.174.231 Filename '8272ADS_ramdisk_img'. Load address: 0x400000 Loading: ################################################################# ################################################################# ####################################################### done Bytes transferred = 942521 (e61b9 hex) => tftpboot 0x500000 ramdisk.new Using FCC2 ETHERNET device TFTP from server 192.168.178.110; our IP address is 192.168.174.231 Filename 'ramdisk.new'. Load address: 0x500000 Loading: ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################### done Bytes transferred = 2758997 (2a1955 hex) => bootm 0x400000 0x500000 ## Booting image at 00400000 ... Image Name: Linux-2.6.10_mvl401-8272ads Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 942457 Bytes = 920.4 kB Load Address: 00000000 Entry Point: 00000000 Verifying Checksum ... OK Uncompressing Kernel Image ... OK ## Loading RAMDisk Image at 00500000 ... Image Name: uImage.ramdisk Image Type: PowerPC Linux RAMDisk Image (gzip compressed) Data Size: 2758933 Bytes = 2.6 MB Load Address: 00000000 Entry Point: 00000000 Verifying Checksum ... OK Loading Ramdisk to 038e6000, end 03b87915 ... OK Linux version 2.6.10_mvl401-8272ads (root@em178110) (gcc version 3.4.3 (MontaVi7 Motorola PQ2 ADS PowerPC port Built 1 zonelists Kernel command line: root=/dev/ram PID hash table entries: 512 (order: 9, 8192 bytes) hr_time_init: arch_to_nsec = 83886080, nsec_to_arch = 107374182 Warning: real time clock seems stuck! Dentry cache hash table entries: 16384 (order: 4, 65536 bytes) Inode-cache hash table entries: 8192 (order: 3, 32768 bytes) Memory: 59888k available (1684k kernel code, 468k data, 88k init, 0k highmem) Mount-cache hash table entries: 512 (order: 0, 4096 bytes) spawn_desched_task(00000000) desched cpu_callback 3/00000000 ksoftirqd started up. desched cpu_callback 2/00000000 checking if image is initramfs...desched thread 0 started up. it isn't (no cpio magic); looks like an initrd Freeing initrd memory: 2694k freed NET: Registered protocol family 16 mpc8272ads: Init Installing knfsd (copyright (C) 1996 okir@monad.swb.de). Initializing Cryptographic API Serial: CPM driver $Revision: 0.01 $ ttyCPM0 at MMIO 0xf0011a00 (irq = 40) is a CPM UART ttyCPM1 at MMIO 0xf0011a60 (irq = 43) is a CPM UART io scheduler noop registered io scheduler anticipatory registered io scheduler deadline registered io scheduler cfq registered RAMDISK driver initialized: 16 RAM disks of 8192K size 1024 blocksize loop: loaded (max 8 devices) fs_enet.c:v1.0 (Aug 8, 2005) fs_enet: eth0 Phy @ 0x0, type DM9161 (0x0181b881) fs_enet: eth1 Phy @ 0x3, type DM9161 (0x0181b881) Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2 ide: Assuming 50MHz system bus speed for PIO modes; override with idebus=xx eth2: FCC ENET Version 0.3, 00:99:23:c4:ad:de eth3: FCC ENET Version 0.3, 00:99:23:44:ad:de eth4: FCC ENET Version 0.3, 00:99:23:64:ad:de NET: Registered protocol family 2 IP: routing cache hash table of 512 buckets, 4Kbytes TCP: Hash tables configured (established 4096 bind 8192) NET: Registered protocol family 1 NET: Registered protocol family 17 RAMDISK: Compressed image found at block 0 RAMDISK: incomplete write (-28 != 32768) 8388608 Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(1,0) <0>Rebooting in 180 seconds.. what may be the problem? I have root file system then..can i create fresh ramdisk image..if yes then how to create it? -- View this message in context: http://www.nabble.com/linux-booting-using-ramdisk-tf3062233.html#a8515241 Sent from the linuxppc-embedded mailing list archive at Nabble.com.