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Re: [ts-7000] Re: 7260: Installing Debian distro on an SD Card

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Subject: Re: [ts-7000] Re: 7260: Installing Debian distro on an SD Card
From: Eddie Dawydiuk <>
Date: Fri, 9 Mar 2007 17:16:51 -0700 (MST)
Hello,

> Success!  The final step was that I was using an older initrd image
> (1.01 vs 1.02).  Changing the version resulted in a successful
> boot/pivot process.

I should have mentioned I upgraded the initial ramdisk when I made a few
other changes to the wiki. The new initrd has the updated SD driver
which supports cards larger than 1GB...

//Eddie

> --- In  "jywmpg" <> wrote:
>>
>> Eddie,
>>
>> Thanks very much!   I followed your instructions, with a couple of
>> changes*, and got the desired result: Debian on an SD Card.
>>
>> Unfortunately, I am still not able to do the boot/pivot using the SD
> Card.
>>
>> Here is the RedBoot sequence I am trying to use (on a 7260 w/ 128 MB
>> of RAM):
>>
>> load -r -b 0x00218000 -h 192.168.1.12 zImage-7260_2k-ts11
>> load -r -b 0x00600000 -h 192.168.1.12 ts7260-sdcard-initrd-1.01.gz
>> exec -r 0x00600000 -s 447849 -b 0x00218000 -l 685808 -c
>> "console=ttyAM0,115200 root=/dev/ram0 init=/linuxrc rw"
>>
>> This sequence is from the wiki under subject "Load a kernel and
>> initial ramdisk to RAM from a TFTP server".
>>
>> This results in a kernel panic when the kernel "cannot find an ext2
>> filesystem on dev sdcard0(254,3)".  pivot_root also complains about
>> "No such file or directory", then cannot find /bin/mount.
>>
>> Any ideas what I am doing wrong?
>>
>>
>> Regards,
>>
>> jw
>>
>>
>> *When I tried the instructions, I found that there was no /dev/sda
>> device defined on the 7260.  So I changed /dev/sda to
>> /dev/sdcard0/disc0/disc and /dev/sda3 to /dev/sdcard0/disc0/part3.
>> Hope this was the right thing to do.
>>
>>
>>
>> For the record, here is a transcript:
>>
>> $ dd if=fastboot-7300-sdcard-7-6-2006.dd of=/dev/sdcard0/disc0/disc
> bs=1M
>> 238+1 records in
>> 238+1 records out
>> $ fsck.ext2 /dev/sdcard0/disc0/part3
>> e2fsck 1.37 (21-Mar-2005)
>> /dev/sdcard0/disc0/part3: clean, 14718/60000 files, 227014/239104 blocks
>> $ mount -t ext2 /dev/sdcard0/disc0/part3 /sdcard
>> $ df -k
>> Filesystem           1k-blocks      Used Available Use% Mounted on
>> /dev/root                29680      8324     21356  28% /
>> /dev/scsi/host0/bus0/target0/lun0/part1   990432    323584    666848
>> 33% /mnt
>> /dev/sdcard0/disc0/part3   231527    219437     12090  95% /sdcard
>> $ fdisk /dev/sdcard0/disc0/disc
>>
>> The number of cylinders for this disk is set to 7754.
>> There is nothing wrong with that, but this is larger than 1024,
>> and could in certain setups cause problems with:
>> 1) software that runs at boot time (e.g., old versions of LILO)
>> 2) booting and partitioning software from other OSs
>>    (e.g., DOS FDISK, OS/2 FDISK)
>>
>> Command (m for help): p
>>
>> Disk /dev/sdcard0/disc0/disc: 2032 MB, 2032664576 bytes
>> 16 heads, 32 sectors/track, 7754 cylinders
>> Units = cylinders of 512 * 512 = 262144 bytes
>>
>>                   Device Boot    Start       End    Blocks   Id  System
>> /dev/sdcard0/disc0/part1               1           6        1520   da
>>  Unknown
>> /dev/sdcard0/disc0/part2               7          10        1024   da
>>  Unknown
>> /dev/sdcard0/disc0/part3              20         953      239104   83
>>  Linux
>>
>> Command (m for help): q
>>
>> $ shutdown -r now
>>
>>
>>
>>
>>
>> --- In  Eddie Dawydiuk <eddie@> wrote:
>>>
>>> Hello,
>>>
>>>> 1.  I ran the following command:
>>>>
>>>> dd if=fastboot-7300-sdcard-7-6-2006.dd of=/dev/sdcard0/disc0/disc
>> bs=1M
>>>>
>>>> Once that completed, I tried to mount part3 as an EXT2 file system,
>>>> and got a message on the console that no EXT2 file system could be
>>>> found there.  part1 and part2 were created however, apparently
>>>> successfully.
>>>>
>>>> I then used fdisk to delete and recreate the third partition as
>>>> described on another wiki page, then tried again to mount part3 and
>>>> got the same message, that no EXT2 file system could be found
>>>
>>> You shouldn't have to do anything other than bunzip2 the dd image and
>>> run the dd command above. I tested this and everything seems to be
>>> working fine.
>>>
>>> e.g.
>>>
>>> :~$ sudo dd if=/dev/zero of=/dev/sda bs=1M count=256
>>> 256+0 records in
>>> 256+0 records out
>>> 268435456 bytes (268 MB) copied, 74.5137 seconds, 3.6 MB/s
>>> :~$ wget -q
>>>
>>
> ftp://ftp.embeddedarm.com/ts-arm-linux-cd/binaries/ts-images/fastboot-7300-sdcard-7-6-2006.dd.bz2
>>> :~$ md5sum fastboot-7300-sdcard-7-6-2006.dd.bz2
>>> a7d42537db49656c646c3123e153d0f3  fastboot-7300-sdcard-7-6-2006.dd.bz2
>>> :~$ bunzip2 fastboot-7300-sdcard-7-6-2006.dd.bz2
>>> :~$ sudo dd if=fastboot-7300-sdcard-7-6-2006.dd of=/dev/sda
>>> bs=1M
>>> 238+1 records in
>>> 238+1 records out
>>> 250085376 bytes (250 MB) copied, 54.372 seconds, 4.6 MB/s
>>> :~$ fsck.ext2 /dev/sda3
>>> e2fsck 1.38 (30-Jun-2005)
>>> /dev/sda3: clean, 14718/60000 files, 227014/239104 blocks
>>> :~$ sudo mount -t ext2 /dev/sda3 /mnt/sd/
>>>
>>> //Eddie
>>>
>>>> --- In  Luis Ortega <lortega@> wrote:
>>>>>
>>>>> I am following this with keen interest as I also have a TS-7260
>> with an
>>>>> SD card and have not been able to boot to it.
>>>>>
>>>>> The only differences are that I have a 4 GB SD card (not an issue)
>>>> and I
>>>>> used a different image from the same ftp location
>>>>> (fastboot-7300-sdcard-10-24-2006.dd.bz2). After some
> maneuvering I am
>>>>> able to chroot to the file system in partition 3, after booting
>> to the
>>>>> image in board flash but I have not been able to boot to it.
>>>>>
>>>>> If you manage to boot using the image that Eddie (in the wiki page)
>>>>> suggest I will switch to that image. Please let us know if you
>> succeed.
>>>>>
>>>>> Thanks,
>>>>>
>>>>>
>>>>>
>>>>> jywmpg wrote:
>>>>>>
>>>>>> OK, thanks.
>>>>>>
>>>>>> Just to make sure I understand, the SD Card dd image for the
>> 7260 is:
>>>>>>
>>>>>> fastboot-7300-sdcard-7-6-2006.dd.bz2
>>>>>>
>>>>>> Then, presuming I bunzip2 the dd image, I run the following:
>>>>>>
>>>>>> dd if=fastboot-7300-sdcard-7-6-2006.dd of=/dev/sdcard0/disc0/disc
>>>> bs=1M
>>>>>>
>>>>>> Is that correct? The 7300 vs 7260 kind of confuses me.
>>>>>>
>>>>>> Thanks for your help
>>>>>>
>>>>>> jw
>>>>>>
>>>>>> --- In  <ts-7000%40yahoogroups.com>,
>>>>>> Eddie Dawydiuk <eddie@> wrote:
>>>>>>>
>>>>>>> Hello,
>>>>>>>
>>>>>>>> I have a new 7260 and a new SanDisk 2.0GB SD card and would
>>>> like to
>>>>>>>> install a clean Debian distribution on the SD card, then set
> up to
>>>>>>>> boot and pivot to the SD card.
>>>>>>>
>>>>>>> I modified the wiki article to clarify this topic, you should
>>>> see a link
>>>>>>> to a dd image at the bottom of the article in the Downloads
>>>> section. The
>>>>>>> first paragraph talks about loading Debian on an SD card.
>>>>>>>
>>>>>>>> 2. Run mkfs.ext3 to create a file system on part3
>>>>>>>
>>>>>>> You'll need a custom kernel if you'd like to use an ext3
>>>> filesystem as
>>>>>>> the default shipping kernel from Technologics does not have ext3
>>>>>>> support.
>>>>>>>
>>>>>>> //Eddie
>>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> Yahoo! Groups Links
>>>>
>>>>
>>>>
>>>>
>>>>
>>>
>>
>
>
>
>
>
>
> Yahoo! Groups Links
>
>
>
>
>


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