Reason for GPS problems found!
trickie at gmail.com
Thu Jul 17 14:01:22 CEST 2008
On Thu, Jul 17, 2008 at 1:18 PM, Andy Green <andy at openmoko.com> wrote:
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> Somebody in the thread at some point said:
> | 2008/7/17 nick loeve <trickie at gmail.com>:
> |> I just tried the latest mwebster-andy kernel from
> |> http://moko.mwester.net/dl.html#kernels which has the sdcard clock
> |> patches, and now i get even better signals, and fix from cold start
> |> outside in 48secs.
> |> So the voltage patch certainly helped, and the sdcard clock patches
> |> seemed to have made it even better.
> | I tried the kernel too, but it didn't help. Didn't get any fixes in 3
> | minutes when having SD card in (not in use, ie. maps not there).
> | Removed the SD card and got a TTFF in 34 seconds.
> Two points about testing it:
> ~ - order of tests can matter. If you get a "good" test first, it seems
> the requirements for next test can be relaxed by GPS chip and we don't
> really test it then.
I have been testing by doing a fresh reboot, open openmoko-agpsui and
press 'power on' followed by 'cold reset'
> ~ - patch only helps if SD Card is not accessed. I read a thread
> yesterday in devel list about some ASU / Qtopia component spamming SD
> Card after start up.
Im not using a ASU rootfs but the one from
> - -Andy
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