Openmoko Bug #2257: gsm0710muxd: "Modem does not respond to AT commands"
Openmoko Public Trac
bugs at docs.openmoko.org
Mon Mar 9 12:08:52 CET 2009
#2257: gsm0710muxd: "Modem does not respond to AT commands"
-----------------------------+----------------------------------------------
Reporter: lindi | Owner: openmoko-kernel
Type: defect | Status: new
Priority: normal | Milestone:
Component: System Software | Version: unspecified
Severity: normal | Keywords:
Haspatch: 0 | Blockedby:
Estimated: | Patchreview:
Blocking: | Reproducible:
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calypso/ttySAC0 seems to sometimes go to a state where even repeated
invocations of gsm0710muxd fail with "Modem does not respond to AT
commands". However, if I "echo 0 > power_on; sleep 3; echo 1 > power_on;
echo 1 > reset" I can use
{{{
socat - file:/dev/ttySAC0,crtscts,crnl,b115200
}}}
just fine to talk to the modem. After that also gsm0710muxd is able to
talk to it.
I am using gsm0710muxd abcbcd7cc532a8834906de3fc24c8f8fe7643cd4 and kernel
from andy-tracking c1b03e4da22e8dd7a6caccb9e39a9201535ced11
--
Ticket URL: <https://docs.openmoko.org/trac/ticket/2257>
docs.openmoko.org <http://docs.openmoko.org/trac/>
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