From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <3D0EF54A.6080304@cambridgebroadband.com>
Date: Tue, 18 Jun 2002 09:54:34 +0100
From: Alex Zeffertt <ajz@cambridgebroadband.com>
MIME-Version: 1.0
To: zhongqx <zhongqx@guoguang.com.cn>,
	linuxppc-embedded@lists.linuxppc.org
Subject: Re: Kernel panic:I have no root and I want to scream
References: <000801c216a3$e8fb5160$7301a8c0@zhongqx>
Content-Type: text/plain; charset=GB2312
Sender: owner-linuxppc-embedded@lists.linuxppc.org
List-Id: <linuxppc-embedded@lists.linuxppc.org>


shouldn't the command line be root=/dev/ram, rather than

> Kernel command line: boot=/dev/ram

Alex

zhongqx wrote:

> Hello everyone,
>       When I boot my linux on fads board, I get a kernel panic:
> I have no root and I want to scream, i do not the cause of this
> probelm ,I add loop back surport,but can solve this problem!
> Has anyone meet this problem ,can you give me some advice?
> thank you in advance!
>
>
>
> =>bootm 500000 600000
> ## Booting image at 00500000 ...
>    Image Name:   2.4.18
>    Image Type:   PowerPC Linux Kernel Image (gzip compressed)
>    Data Size:    557426 Bytes = 544 kB = 0 MB
>    Load Address: 00000000
>    Entry Point:  00000000
>    Verifying Checksum ... OK
>    Uncompressing Kernel Image ... OK
> ## Loading RAMDisk Image at 00600000 ...
>    Image Name:   ramdisk
>    Image Type:   PowerPC Linux RAMDisk Image (gzip compressed)
>    Data Size:    428 Bytes = 0 kB = 0 MB
>    Load Address: 00000000
>    Entry Point:  00000000
>    Verifying Checksum ... OK
>    Loading Ramdisk to 0075b000, end 0075b1ac ... OK
> Linux version 2.4.18 (root@gaof.guoguang.com.cn) (gcc version 2.95.2 19991024 (r
> elease)) #2 Tue Jun 18 16:18:50 CST 2002
> On node 0 totalpages: 2048
> zone(0): 2048 pages.
> zone(1): 0 pages.
> zone(2): 0 pages.
> Kernel command line: boot=/dev/ram
> Decrementer Frequency = 180000000/60
> console init finished!
> alloc bootmem finished!
> kmem_cache_init() finished!
> Calibrating delay loop... 47.82 BogoMIPS
> Memory: 6620k available (1012k kernel code, 364k data, 44k init, 0k highmem)
> pgtable_cache_init() run here!
> Dentry-cache hash table entries: 1024 (order: 1, 8192 bytes)
> Inode-cache hash table entries: 512 (order: 0, 4096 bytes)
> Mount-cache hash table entries: 512 (order: 0, 4096 bytes)
> Buffer-cache hash table entries: 1024 (order: 0, 4096 bytes)
> Page-cache hash table entries: 2048 (order: 1, 8192 bytes)
> POSIX conformance testing by UNIFIX
> Linux NET4.0 for Linux 2.4
> Based upon Swansea University Computer Society NET3.039
> Initializing RT netlink socket
> Starting kswapd
> devfs: v1.10 (20020120) Richard Gooch (rgooch@atnf.csiro.au)
> devfs: boot_options: 0x0
> CPM UART driver version 0.03
> ttyS00 at 0x0280 is a SMC
> block: 64 slots per queue, batch=16
> RAMDISK driver initialized: 16 RAM disks of 2048K size 1024 blocksize
> eth0: CPM ENET Version 0.2 on SCC1, 00:d0:93:00:12:34
> loop: loaded (max 8 devices)
> NET4: Linux TCP/IP 1.0 for NET4.0
> IP Protocols: ICMP, UDP, TCP, IGMP
> IP: routing cache hash table of 512 buckets, 4Kbytes
> TCP: Hash tables configured (established 512 bind 512)
> NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
> RAMDISK: Compressed image found at block 0
> Freeing initrd memory: 0k freed
> EXT2-fs warning: checktime reached, running e2fsck is recommended
> VFS: Mounted root (ext2 filesystem).
> Kernel panic: I have no root and I want to scream
>  <0>Rebooting in 180 seconds..
>
>
>


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