cpu reclocking to 500Mhz, overclocking to 533Mhz, performance tests and bootloader images

Sebastian Krzyszkowiak dos at dosowisko.net
Sat Jul 10 19:23:56 CEST 2010


On Sat, Jul 10, 2010 at 19:19, David Vermeille <dvermd at gmail.com> wrote:
>
>
> 2010/7/4 Tha_Man <jeroenbreg at hotmail.com>
>>
>> Hi again,
>> I couldn't resist to do some more testing, so I copied my QtMoko SDcard
>> installation to NAND. QtMoko from NAND boots fine in most cases (see
>> overview), it's suspend and resume that fails when overclocked. However,
>> suspend and resume works fine with the original NAND U-boot and your
>> default
>> clocked U-boot. I've flashed the overclocked images exactly as you posted
>> and flashed u-boot_env.in as well, no errors were reported during
>> flashing.
>> Here's an overview:
>>
>> Tested under QtMoko v24, using different u-boot images flashed in NAND:
>> + u-boot-gta02v5-1.3.1: works fine
>> + u-boot.udfu_400_100_1.7: works fine
>> - u-boot.udfu_450_112_1.65_1.9: won't boot (hangs on 'Starting kernel...')
>> - u-boot.udfu_450_112_1.7_1.9_sdmax: won't boot (hangs on 'Starting
>> kernel...')
>> * u-boot.udfu_500_83_1.7: fails to resume after suspend
>> * u-boot.udfu_500_83_1.7_1.8_CLK2: fails to resume after suspend
>> * u-boot.udfu_533_88_1.7: fails to resume after suspend
>> * u-boot.udfu_533_88_1.7_1.8_CLK2: fails to resume after suspend
>>
>> So most u-boot images boot fine with QtMoko v24 and report the correct
>> speeds, but my phone doesn't wake up after suspend with any of the
>> overclocked images; I have to remove the battery to be able to boot again.
>> Even the 450Mhz-images you reported as 'working under qtmoko' fail with
>> me,
>> but I'm not sure if you tested suspend and resume. I'm using the default
>> v24-kernel, based on 2.6.29 I believe.
>>
>> I hope my tests are of any help, if I need to test something else, please
>> let me know.
>>
>> Cheers,
>> Tha_Man
>> --
>> View this message in context:
>> http://openmoko-public-mailinglists.1958.n2.nabble.com/cpu-reclocking-to-500Mhz-overclocking-to-533Mhz-performance-tests-and-bootloader-images-tp5242777p5253190.html
>> Sent from the Openmoko Community mailing list archive at Nabble.com.
>>
>> _______________________________________________
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>> community at lists.openmoko.org
>> http://lists.openmoko.org/mailman/listinfo/community
>
> Hi,
>
> I'm using QtMoko on SD from a long time and wanted to give these uboot
> versions (500 and 533) a try. I kept my uboot env because yours doesn't seem
> to add any new parameters.
>
> They worked well but I have the same problems as Tha_Man : my FR doesn't
> resume after suspend.
>
> Back to your 400 uboot, the same QtMoko (same partitions and uboot env)
> suspends and resumes well.
>
> SHR-U suffers from the same symptoms.
>
> I hope you'll be able to track and solve this problem because FR is really
> faster at 500 or 533 Mhz and that's great.
>
> --
> David
>
> _______________________________________________
> Openmoko community mailing list
> community at lists.openmoko.org
> http://lists.openmoko.org/mailman/listinfo/community
>
>

Try 450 or 465 versions. With them suspend and resume works well for me :)

-- 
Sebastian Krzyszkowiak
dos



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