Hi Enrico,

On 05/09/2016 02:43 AM, Enrico Sau wrote:
ofonod[1306]: Aux: < #QSS: 0\r\n
ofonod[1306]: 09:33:54|plugins/he910.c[173]:he910_qss_notify() 0x88ef560
ofonod[1306]: 09:33:54|plugins/he910.c[131]:switch_sim_state_status() 
0x88ef560, SIM status: 0
ofonod[1306]: 09:33:57|src/modem.c[496]:modem_change_state() old state: 3, new 
state: 1
ofonod[1306]: 09:33:57|src/modem.c[409]:flush_atoms()
ofonod[1306]: 09:34:04|src/gprs.c[2279]:gprs_context_unregister() 0x88eef68, 
0x88ee908
ofonod[1306]: 09:34:04|src/gprs.c[2413]:gprs_context_remove() atom: 0x88eef88
ofonod[1306]: 
09:33:42|drivers/atmodem/gprs-context.c[420]:at_gprs_context_remove()
ofonod[1306]: 09:34:04|src/gprs.c[2644]:gprs_unregister() 0x88ee908
ofonod[1306]: 09:33:58|src/network.c[1173]:__ofono_netreg_remove_status_watch() 
0x88eb2d0
ofonod[1306]: 09:34:04|src/gprs.c[2683]:gprs_remove() atom: 0x88ee970
ofonod[1306]: 09:34:02|src/sim.c[2714]:ofono_sim_remove_spn_watch() 0x88ed6f0
ofonod[1306]: 09:33:58|src/network.c[1836]:netreg_remove() atom: 0x88eb338
ofonod[1306]: 
09:34:09|src/telit-data-network.c[323]:telit_data_network_remove() atom: 
0x88eb1c8
ofonod[1306]: 09:34:09|src/telit-urc.c[668]:telit_urc_remove() atom: 0x88eb0a8
ofonod[1306]: 09:34:05|src/radio-settings.c[657]:radio_settings_remove() atom: 
0x88ee578
ofonod[1306]: 09:33:28|plugins/udevng.c[1009]:remove_device() 
/sys/devices/virtual/net/ppp0
ofonod[1306]: Aux: < \r\n
ofonod[1306]: Aux: < +CGEV: NW DEACT IP, "2.194.193.31", 1\r\n
ofonod[1306]: Modem: < ~\377}#\300!}%}"} }$Y(~

Now I get what is happening. You're on a PPP link and pull the SIM. So oFono tears everything down, but this results in the GAtChat going from PPP mode to normal mode too early.

We then receive the final HDLC frame, and that confuses the syntax. GSMv1 syntax already has code to handle this, but looks like the permissive one doesn't.

ofonod[1306]: Modem: < \r\nNO CARRIER\r\n
ofonod[1306]: Modem: < \r\n
ofonod[1306]: Aux: < \r\n

Regards,
-Denis
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