Qtmoko and u-boot

[Ed Kapitein]

On 04/01/2011 05:20 PM, Gennady Kupava wrote:
> В Птн, 01/04/2011 в 17:00 +0200, Ed Kapitein пишет:
>> On Friday 01 April 2011 14:52:02 David Matthews wrote:
>>>> I had a few problems with several uSD cards lately and i am trying to
>>>> figure out what is going wrong.
>>>> It used to be much more stable than it is now, i have massive file system
>>>> corruption on a weekly basis.
>>>> So i decided to downgrade to u-boot (was using qi) and back to an old
>>>> andy- tracking kernel. Also i reverted back to xorg-server using the
>>>> fbdev driver instead of the glamo driver.
>>> Ed - do you have a nand install and are the problems occurring after a
>>> reboot? If so it's probably the same issue I posted about several weeks
>>> back - I did post a work around as well, which for me at least, works
>>> fine.
>> Hi David,
>>
>> Thanks for the reply, but my situation is different.
>> I have qtmoko on nand and gentoo on uSD, and qi as a bootloader to choose 
>> between the two,
>> Even without rebooting the FR it start to mess up my uSD card filesystem.
>> sometimes files that are unreadable are just fine after a reboot, sometimes the 
>> files are really messed up and need to be restored.
>> It might well be that the glamo is getting bad or that there is another kind 
>> of hardware failure going on.
>>
>> I tried using ext2fs and ext3fs but hat does not change anything.
>>
>> ATM i am booting the SD card form nor boot and qtmoko from qi.
>> But i would like to be able to use nand u-boot to boot from the SD card and 
>> from nand.
> Hi, Ed,
>
> I am using mine u-boot with few fixes, it's not without bugs, but it
> probably has less bugs than openmoko's u-boot:
>
> http://wiki.openmoko.org/wiki/U-boot-gena2x
>
> Also i'd suggest to try reducing sd card clock in kernel params (in
> u-boot env, glamo_mci.sd_max_clk=15000000).
>
> And do backups. I am just removing sd card and do full dd dump of
> contents to hdd, this takes 10 mins, but 100% error-proof, easy, fast
> and painless recover. without any problems with partitions or anything
> else.
>
> Gennady.
>
>
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Hi Gennady

Thanks i see that it uses the 2-4-2 timings, so i will try it after
running with the current setup for a while.
I do make backups, with rdiff-backup, so i have almost 2 years of
backups without wasting to much diskspace.

Kind regards,
Ed