On 2008-07-16, Joerg Reisenweber <[EMAIL PROTECTED]> wrote: > Am Mi 16. Juli 2008 schrieb Yorick Moko: > > no fault or wrong conclusion but I just want to add that Andy also > > made a patch to crank up the voltage a bit for the GPS unit > > > Yep, but this one didn't help at all it seems. > > One flaw in OP's summary: the recent andy-sd_clock-patch doesn't block sd-card > for benefit of GPS FF. It simply switches off clock of sdcard as long as we > don't read from it (or write). So you still can spoil TTFF by *constantly* > reading from SDcard, but GPS seems to be fine as long as you don't do this. > Stopping sd-access during TTFF is a userland issue. Kernel mustn't block > sd-reads for extended periods, we might see all kinds of deadlocks if we did > it this way. For sure answering an inbound call is higher priority than > shortest possible time for this particular FF, no? So maybe you have your > ringtones on sd. U see? > > rootfs on sdcard might be an issue, we (community?) should give this one a > test I think the Freerunner has enough RAM to actually make that possible (ringtones and etc. may be stored in tmpfs) :)
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