Reason for GPS problems found!

Yaroslav Halchenko at
Sun Jul 20 05:03:36 CEST 2008

anyone knows if the software patch which was done has any hooks in user
space so the same procedure (shut off SD while getting FF) could be
initiated manually (from a script or so)?

On Sat, 19 Jul 2008, Ville-Pekka Vainio wrote:

> Timo Jyrinki wrote:
> > Does anyone else have a reliability problem now with the new kernel
> > and GPS when SD card is used?

> Yes, I just did some testing. The phone had been on for about 12 hours maybe 
> and had gone through multiple suspend-wakeup cycles. TTFF was around 10 
> minutes. Then I switched off the phone and switched it back on, after that 
> TTFF was about 40 seconds.

> Now that I came back indoors, the phone still has a fix and with older kernels 
> it could not keep the fix if I went indoors. So it seems the software fix 
> isn't perfect yet (it can't "recover" from suspend or something), but if you 
> always "start fresh", it does work well.
Yaroslav Halchenko
Research Assistant, Psychology Department, Rutgers-Newark
Student  Ph.D. @ CS Dept. NJIT
Office: (973) 353-5440x263 | FWD: 82823 | Fax: (973) 353-1171
        101 Warren Str, Smith Hall, Rm 4-105, Newark NJ 07102

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