Re: RAMDISK uncompress problem.

[ku2911@363.net]

yes
you are right.


thank you very much.

b.r.
john zhan.
hacking time.





----- Original Message -----
From: Amre El-Hoiydi <amre.el-hoiydi@csem.ch>
To: <ku2911@363.net>
Cc: <linuxppc-embedded@lists.linuxppc.org>
Sent: Tuesday, April 18, 2000 5:13 PM
Subject: Re: RAMDISK uncompress problem.


> Hi,
>
> Your cmd_line is possibly using the memory zone where the compressed
> ramdisk is stored.
> In arch/ppc/mbxboot/misc.c, cmd_line = 0x200000 if CONFIG_MBX is not
> defined.
>
> Amre
>
> ku2911@363.net wrote:
> >
> > hello:
> >     i got a problem like this:
> >
> > loaded at:     00100000 002C5AD0
> > board data at: 001001C4 001001E0
> > relocated to:  00200100 0020011C
> > zimage at:     0010B1F0 0013A3F3
> > initrd at:     0013A400 003116E2
> > avail ram:     00312000 01000000
> >
> > Linux/PPC load:
> > Uncompressing Linux...done.
> > Now booting the kernel
> > Linux version 2.2.13 (root@bigeyes) (gcc version 2.95.2 19991024 (release)) #110
> >  Tue Apr 18 15:35:59 EDT 2000
> > Boot arguments: root=/dev/ram
> > time_init: decrementer frequency = 90000000/60
> > Calibrating delay loop... 23.81 BogoMIPS
> > Memory: 13768k available (356k kernel code, 352k data, 20k init) [c0000000,c1000
> > 000]
> > DENTRY hash table entries: 262144 (order: 9, 2097152 bytes)
> > Buffer-cache hash table entries: 32768 (order: 5, 131072 bytes)
> > Page-cache hash table entries: 4096 (order: 2, 16384 bytes)
> > POSIX conformance testing by UNIFIX
> > Linux NET4.0 for Linux 2.2
> > Based upon Swansea University Computer Society NET3.039
> > Starting kswapd v 1.5
> > CPM UART driver version 0.02
> > ttyS00 at 0x0280 is a SMC
> > ttyS01 at 0x0100 is a SCC
> > ttyS02 at 0x0200 is a SCC
> > RAM disk driver initialized:  16 RAM disks of 4096K size
> > RAMDISK: Compressed image found at block 0
> > crc error!orig_crc=0xe211d8c1,CRC_VALUE=0x40e28495
> > length error! orig_len=0x400000,bytes_out=0x4000d5
> >
> > i added some prink() for debug ... ;)
> > my ramdisk.image.gz is broken?
> > but i can mount(-o loop) it in my host(i386-linux) after gunziped.
> >
> > and how to creat a correct ramdisk image?
> >     using following step?
> >         mkfs -t ext2 /dev/loop0
> >         mount /dev/loop0 /mnt/rd
> >                 mkdir /mnt/rd/bin  /dev ...
> >                 cp bash etc. to /mnt/rd/bin ...
> >                  mknod ....
> >         dd if=/dev/loop0 of=./ramdisk.image
> >         gzip -9 ramdisk.image
> >
> > what can i do?
> >
> > thanks for any help.
> >
> > b.r.
> > john zhan.
> > hacking time.
> >

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