[Gta04-owner] QtMoko v41

Christoph Mair christoph.mair at gmail.com
Mon Mar 12 13:53:02 CET 2012


On Mon, Mar 12, 2012 at 1:44 PM, Dr. H. Nikolaus Schaller
<hns at goldelico.com> wrote:
>
> Am 12.03.2012 um 10:10 schrieb Dr. H. Nikolaus Schaller:
>
>> Hi Radek,
>>
>> Am 11.03.2012 um 21:56 schrieb Radek Polak:
>>
>>> On Sunday 11 March 2012 17:37:48 Dr. H. Nikolaus Schaller wrote:
>>>
>>>> I tried to test it but I get a kernel image CRC error (at least with the
>>>> version in /boot/uImage in the .tgz).
>>>>
>>>> Can you please cross-check?
>>>
>>> Hmms - i tried and it booted ok for me. My uImage has this MD5 sum:
>>>
>>> 49c5f30851fbbea47d8aed84e592567b
>>
>> I think I can trace it down to a problem with the external card reader.
>>
>> After unpacking the files I have the correct md5sum.
>>
>> After unmounting and re-mounting the md5 changes. No idea why.
>>
>> File size and modification date remains intact. I have synced twice
>> and there is no fsck forced. It appears to be some additional buffer
>> that is not flushed.
>>
>> This may explain why some GTA04 users have problems creating
>> bootable SD cards.
>>
>> The setup I have:
>>
>> Assus eeePC 4G (internal SD reader does not support SDHC)
>> Debian Squeeze / LXDE
>> external Kingston SDHC / SDXC reader
>
> Ok, I think it turns out to be a very different problem: the partition table.
>
> After creating the new partitions the kernel needs to update its
> partition tables or it mixes sectors...
>
> And on my eeePC I did not have installed the 'parted' package.
> Therefore the call to /sbin/partprobe was ignored and unpacking
> the files did mix up the disk.
>
> NOTE WHEN CREATING A SD CARD:
>
>        make sure that /sbin/partprobe is available on your host!

sfdisk -R should work too.

Christoph


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