[Bug 766] New: gsmd misbehaves on back-to-back AT+CFUN=1/AT+COPS=0

[bugzilla-daemon at bugzilla.openmoko.org]

http://bugzilla.openmoko.org/cgi-bin/bugzilla/show_bug.cgi?id=766

           Summary: gsmd misbehaves on back-to-back AT+CFUN=1/AT+COPS=0
           Product: OpenMoko
           Version: current svn head
          Platform: Neo1973
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gsmd
        AssignedTo: laforge at openmoko.org
        ReportedBy: cesarb at cesarb.net
                CC: buglog at lists.openmoko.org


Starting gsmd manually (so the GUI does not tell it to register), and typing "O"
and "r" very quickly to libgsmd-tool's shell (so both commands are sent almost
at the same time to the modem) results on gsmd receiving only one answer and
getting confused:

Tue Feb  1 00:22:25 2000 <1> atcmd.c:545:atcmd_submit() submitting command
`AT+CFUN=1'
Tue Feb  1 00:22:25 2000 <1> atcmd.c:545:atcmd_submit() submitting command
`AT+COPS=0'
Tue Feb  1 00:22:25 2000 <1> atcmd.c:210:ml_parse() buf=`OK'(2)
Tue Feb  1 00:22:25 2000 <1> atcmd.c:406:ml_parse() Calling final cmd->cb()
Tue Feb  1 00:22:25 2000 <1> usock.c:249:phone_powerup_cb() Radio powered-up
Tue Feb  1 00:22:25 2000 <1> atcmd.c:415:ml_parse() Clearing mlbuf
(gets stuck at this point, no more answers)

Telling it to power off ("o") is enough to get it unstuck. If you wait a couple
of seconds between the "O" and the "r", gsmd receives an answer before sending
the AT+COPS=0, and everything works fine.



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