Reason for GPS problems found!

[nick loeve]

Hi

On Thu, Jul 17, 2008 at 1:18 PM, Andy Green <andy at openmoko.com> wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> 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.
>
> http://lists.openmoko.org/pipermail/devel/2008-July/000044.html

Im not using a ASU rootfs but the one from
http://downloads.openmoko.org/releases/Freerunner/

Cheers

>
> - -Andy
> -----BEGIN PGP SIGNATURE-----
> Version: GnuPG v1.4.9 (GNU/Linux)
> Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org
>
> iEYEARECAAYFAkh/KnoACgkQOjLpvpq7dMp7XgCeIaswI/HWS2Skls5m2vkBUpGp
> ugsAn3+mrJWRLzxG4sSBQBwzlRQMhQ7d
> =o/l6
> -----END PGP SIGNATURE-----
>
> _______________________________________________
> Openmoko community mailing list
> community at lists.openmoko.org
> http://lists.openmoko.org/mailman/listinfo/community
>



-- 
Nick Loeve