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Today's Topics:
1. Re: Openmoko Bug #2229: GSM was working fine for months,
suddenly will not register using any GSM stack (Openmoko Public Trac)
2. Re: Openmoko Bug #2229: GSM was working fine for months,
suddenly will not register using any GSM stack (Openmoko Public Trac)
--- Begin Message ---
#2229: GSM was working fine for months, suddenly will not register using any GSM
stack
----------------------+-----------------------------------------------------
Reporter: danek2 | Owner: joerg
Type: defect | Status: accepted
Priority: normal | Milestone:
Component: hardware | Version: GTA02v5
Severity: normal | Keywords: calypso, gsm, registration
Haspatch: 0 | Blockedby:
Estimated: | Patchreview:
Blocking: | Reproducible: always
----------------------+-----------------------------------------------------
Comment(by joerg):
Replying to [comment:5 slm3095om]:
> One thing that I did notice in my testing is that the modem resets with
2008.12 but it hangs with 2009. I have to do an 'echo 1 > power_on' to get
it back. I thought that was a little odd, I would have expected to at
least have to do 'echo 0 > power_on; echo 1 > power_on'
The semantics of modem power management has changed in new kernels,
usually power_on is handled internally. It's the power pushbutton function
of the modem, and new kernels correctly operate this pushbutton for a few
seconds when closing the actual powerswitch to route power to the modem
from battery. Old kernels needed userland to do this and userland didn't
`echo 0 >power_on` after actuating this button.
If this problem is triggered by modem inrush current on registering, could
you please test with a different provider or - better - go to a place with
much higher signal (more close to the basestation) and try registering
there?
--
Ticket URL: <https://docs.openmoko.org/trac/ticket/2229#comment:7>
docs.openmoko.org <http://docs.openmoko.org/trac/>
openmoko trac
--- End Message ---
--- Begin Message ---
#2229: GSM was working fine for months, suddenly will not register using any GSM
stack
----------------------+-----------------------------------------------------
Reporter: danek2 | Owner: joerg
Type: defect | Status: accepted
Priority: normal | Milestone:
Component: hardware | Version: GTA02v5
Severity: normal | Keywords: calypso, gsm, registration
Haspatch: 0 | Blockedby:
Estimated: | Patchreview:
Blocking: | Reproducible: always
----------------------+-----------------------------------------------------
Comment(by joerg):
Replying to [comment:6 slm3095om]:
> In the absence of a scope, I ran the following shell script while I
reran my test
Alas the voltages data from battery coulomb counter are very slow. You'd
need a real scope to do this test.
Could you all please state which hw version (board revision, and datecode)
you got.
--
Ticket URL: <https://docs.openmoko.org/trac/ticket/2229#comment:8>
docs.openmoko.org <http://docs.openmoko.org/trac/>
openmoko trac
--- End Message ---
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