Openmoko Bug #1024: gsm modem oscillating between registrated / not-registrated

Openmoko Public Trac bugs at
Wed Oct 8 07:40:54 CEST 2008

#1024: gsm modem oscillating between registrated / not-registrated
    Reporter:  mickey at  |        Owner:  sean_chiang
        Type:  defect               |       Status:  assigned   
    Priority:  high                 |    Milestone:             
   Component:  gsmd                 |      Version:  unspecified
    Severity:  blocker              |   Resolution:             
    Keywords:                       |    Blockedby:             
Reproducible:                       |     Blocking:             

Comment(by erin_yueh):

 > Note that there are TODO items in the code; this needs to be revisited
 once we understand more about the problem.  Areas that could use
 improvement would be adding logic to attempt to re-enable deep sleep at
 various times -- right now, a restart is required to do this.  If we can
 identify some events that would be worth trying to re-enter deep sleep
 without disruption to the user, that would be good.  Also, we may need to
 do this conditionally - I know that Moko7 firmware works well with this
 parameter but there is a report that Moko8 will not wake from GSM activity
 if the %SLEEP is issued.  Perhaps Openmoko can help out by publishing a
 change log for the firmware releases, or by testing these changes on the
 various GSM firmwares for the community.

 Thank you! I will apply this patch soon. But for me, i can hardly verify
 this problem, coz i cannot reproduce it in Taiwan. I would ask Mickey's
 help for the GSM network provider.

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openmoko trac

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