Ok, now the modem is initializing (after applying 3 patches from
Jonas), I get this seg fault in ofonod when I run the "enable-modem" test
script:
ofonod[1502]: plugins/nokia-gpio.c:phonet_status_cb() Link phonet0 (2) is up
ofonod[1502]: plugins/nokia-gpio.c:gpio_write() ("cmt_rst_rq", "inactive")
ofonod[1502]: plugins/nokia-gpio.c:gpio_power_state_machine()
(POWER_EVENT_PHONET_LINK_UP) @ state POWER_STATE_NONE
ofonod[1502]: plugins/n900.c:n900_enable() modem=0x586ad0 with 0x586cd0
ofonod[1502]: plugins/nokia-gpio.c:gpio_power_state_machine() (POWER_EVENT_ON)
@ state POWER_STATE_NONE
ofonod[1502]: plugins/nokia-gpio.c:gpio_power_set_state()
(POWER_STATE_ON_STARTED) at (POWER_STATE_NONE)
ofonod[1502]: plugins/nokia-gpio.c:gpio_start_modem_power_on()
ofonod[1502]: plugins/nokia-gpio.c:gpio_write() ("cmt_apeslpx", "inactive")
ofonod[1502]: plugins/nokia-gpio.c:gpio_write() ("cmt_rst_rq", "inactive")
ofonod[1502]: plugins/nokia-gpio.c:gpio_write() ("cmt_en", "inactive")
ofonod[1502]: plugins/nokia-gpio.c:gpio_write() ("cmt_bsi", "inactive")
ofonod[1502]: plugins/nokia-gpio.c:gpio_write() ("cmt_rst", "inactive")
ofonod[1502]: plugins/nokia-gpio.c:gpio_write() ("cmt_en", "active")
ofonod[1502]: plugins/nokia-gpio.c:gpio_write() ("cmt_rst", "active")
ofonod[1502]: plugins/nokia-gpio.c:gpio_write() ("cmt_rst_rq", "active")
ofonod[1502]: plugins/n900.c:n900_power_cb() power state POWER_STATE_ON_STARTED
ofonod[1502]: plugins/nokia-gpio.c:phonet_status_cb() Link phonet0 (2) is down
ofonod[1502]: plugins/nokia-gpio.c:gpio_power_state_machine()
(POWER_EVENT_PHONET_LINK_DOWN) @ state POWER_STATE_ON_STARTED
ofonod[1502]: plugins/nokia-gpio.c:phonet_status_cb() Link phonet0 (2) is up
ofonod[1502]: plugins/nokia-gpio.c:gpio_write() ("cmt_rst_rq", "inactive")
ofonod[1502]: plugins/nokia-gpio.c:gpio_power_state_machine()
(POWER_EVENT_PHONET_LINK_UP) @ state POWER_STATE_ON_STARTED
ofonod[1502]: plugins/nokia-gpio.c:gpio_power_set_state() (POWER_STATE_ON) at
(POWER_STATE_ON_STARTED)
ofonod[1502]: plugins/nokia-gpio.c:gpio_finish_modem_power_on()
ofonod[1502]: plugins/nokia-gpio.c:gpio_write() ("cmt_en", "inactive")
ofonod[1502]: plugins/nokia-gpio.c:gpio_power_set_state() Power on
ofonod[1502]: plugins/n900.c:n900_power_cb() power state POWER_STATE_ON
ofonod[1502]: plugins/n900.c:mtc_reachable_cb() QSO: PN_MTC [0x15] v018.000
ofonod[1502]: plugins/n900.c:mtc_query_cb() Modem state:
current=MTC_RF_INACTIVE (0x0A) target=MTC_RF_INACTIVE (0x0A)
ofonod[1502]: plugins/n900.c:report_powered() Powered on
ofonod[1502]: examples/emulator.c:powered_watch() Adding modem 0x586ad0 to the
list
ofonod[1502]: examples/emulator.c:create_tcp() Created server_watch: 40
ofonod[1502]: examples/emulator.c:create_tcp() Created server_watch: 41
ofonod[1502]: src/modem.c:modem_change_state() old state: 0, new state: 1
ofonod[1502]: plugins/n900.c:n900_pre_sim() (0x586ad0) with phonet0
ofonod[1502]: drivers/isimodem/sim.c:sim_reachable_cb() QSO: PN_SIM [0x09]
v-01.-01
ofonod[1502]: drivers/isimodem/devinfo.c:reachable_cb() QSO: PN_PHONE_INFO
[0x1B] v008.005
ofonod[1502]: drivers/isimodem/audio-settings.c:isi_call_verify_cb() QSO:
PN_CALL [0x01] v007.020
ofonod[1502]: drivers/isimodem/voicecall.c:pn_call_verify_cb() QSO: PN_CALL
[0x01] v007.020
ofonod[1502]: drivers/isimodem/voicecall.c:pn_modem_call_verify_cb()
PN_MODEM_CALL not reachable, removing client
ofonod[1502]: src/sim.c:ofono_sim_add_state_watch() 0x57dfe0
ofonod[1502]: src/sim.c:ofono_sim_add_state_watch() 0x57dfe0
ofonod[1502]: src/sim.c:ofono_sim_add_state_watch() 0x57dfe0
ofonod[1502]: src/sim.c:ofono_sim_add_state_watch() 0x57dfe0
ofonod[1502]: src/sim.c:ofono_sim_add_state_watch() 0x57dfe0
ofonod[1502]: drivers/isimodem/sim.c:sim_resp_status() Request failed:
SIM_SERV_SIM_NOT_INITIALISED
ofonod[1502]: drivers/isimodem/sim.c:sec_state_resp_cb()
SEC_STATE_RESP(cause=0x7)
ofonod[1502]: drivers/isimodem/sim.c:sim_ind_cb()
ofonod[1502]: drivers/isimodem/sim.c:sim_ind_cb()
ofonod[1502]: drivers/isimodem/sim.c:sim_ind_cb()
ofonod[1502]: drivers/isimodem/sim.c:sim_ind_cb()
ofonod[1502]: drivers/isimodem/sim.c:sim_ind_cb()
ofonod[1502]: drivers/isimodem/sim.c:sim_ind_cb()
ofonod[1502]: drivers/isimodem/sim.c:sim_ind_cb()
ofonod[1502]: drivers/isimodem/sim.c:sim_ind_cb()
ofonod[1502]: drivers/isimodem/sim.c:sim_ind_cb()
ofonod[1502]: drivers/isimodem/sim.c:sim_ind_cb()
ofonod[1502]: drivers/isimodem/sim.c:sim_server_ready_ind_cb()
ofonod[1502]: drivers/isimodem/sim.c:sim_ind_cb()
ofonod[1502]: drivers/isimodem/sim.c:sim_set_passwd_state() new state "none"
ofonod[1502]: Interface org.ofono.AllowedAccessPoints not found on the
interface_list
ofonod[1502]: drivers/isimodem/sim.c:isi_query_locked()
ofonod[1502]: drivers/isimodem/sim.c:isi_query_locked()
ofonod[1502]: drivers/isimodem/sim.c:isi_query_locked()
ofonod[1502]: drivers/isimodem/sim.c:sim_ind_cb()
ofonod[1502]: drivers/isimodem/sim.c:sim_ind_cb()
ofonod[1502]: drivers/isimodem/sim.c:sim_ind_cb()
ofonod[1502]: drivers/isimodem/sim.c:sim_ind_cb()
ofonod[1502]: drivers/isimodem/sim.c:sim_ind_cb()
ofonod[1502]: drivers/isimodem/sim.c:isi_read_file_info() Fileid 6FB7 not
implemented
ofonod[1502]: src/voicecall.c:ecc_g2_read_cb() 0
ofonod[1502]: drivers/isimodem/sim.c:isi_read_file_info() Fileid 6FB7 not
implemented
ofonod[1502]: src/voicecall.c:ecc_g3_read_cb() 0
ofonod[1502]: drivers/isimodem/sim.c:check_sec_response() SEC_CODE_STATE_OK_RESP
Program received signal SIGSEGV, Segmentation fault.
sim_query_fac_pinlock_cb (error=0xbefffb0c, status=5758944, data=0x8bb17444) at
src/sim.c:2476
2476 if (sim->state == OFONO_SIM_STATE_NOT_PRESENT)
(gdb) bt
#0 sim_query_fac_pinlock_cb (error=0xbefffb0c, status=5758944,
data=0x8bb17444) at src/sim.c:2476
#1 0x00448dc8 in check_sec_response (msg=0xbefffb84, opaque=0x585fb0,
success=<optimized out>, failure=<optimized out>) at drivers/isimodem/sim.c:468
#2 0x004347ec in pending_remove_and_dispatch (op=0x587f90, msg=0xbefffb84) at
gisi/modem.c:171
#3 0x00434df8 in service_dispatch (mux=<optimized out>, is_indication=0,
msg=0xbefffb84) at gisi/modem.c:218
#4 isi_callback (channel=0x585580, cond=<optimized out>, data=<optimized out>)
at gisi/modem.c:334
#5 0xb6e892f0 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#6 0xb6e895c4 in ?? () from /usr/lib/libglib-2.0.so.0
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
On Fri, Sep 08, 2017 at 04:12:25AM +0200, Jonas Bonn wrote:
On 09/08/2017 03:38 AM, Clayton Craft wrote:
Here's the info you requested, please let me know if I can gather
anything else to help!
OK, good. It's not a driver issue in any case. Now we need to figure
out why ofono is rejecting the device. The debug output from ofonod
would be useful. Try running ofono as:
ofonod -d -n
and paste the output here.
/Jonas
localhost:/home/user# udevadm info --query all --path
/sys/bus/hsi/devices/n900-modem
P: /devices/platform/68000000.ocp/48058000.ssi-controller/ssi0/port0/n900-modem
E:
DEVPATH=/devices/platform/68000000.ocp/48058000.ssi-controller/ssi0/port0/n900-modem
E: DRIVER=nokia-modem
E: MODALIAS=hsi:n900-modem
E: OFONO_DRIVER=n900
E: OFONO_ISI_ADDRESS=108
E: OF_COMPATIBLE_0=nokia,n900-modem
E: OF_COMPATIBLE_N=1
E:
OF_FULLNAME=/ocp@68000000/ssi-controller@48058000/ssi-port@4805a000/hsi-client
E: OF_NAME=hsi-client
E: SUBSYSTEM=hsi
E: USEC_INITIALIZED=337086386
localhost:/home/user# udevadm info --attribute-walk --path
/sys/bus/hsi/devices/n900-modem
Udevadm info starts with the device specified by the devpath and then
walks up the chain of parent devices. It prints for every device
found, all possible attributes in the udev rules key format.
A rule to match, can be composed by the attributes of the device
and the attributes from one single parent device.
looking at device
'/devices/platform/68000000.ocp/48058000.ssi-controller/ssi0/port0/n900-modem':
KERNEL=="n900-modem"
SUBSYSTEM=="hsi"
DRIVER=="nokia-modem"
looking at parent device
'/devices/platform/68000000.ocp/48058000.ssi-controller/ssi0/port0':
KERNELS=="port0"
SUBSYSTEMS==""
DRIVERS==""
looking at parent device
'/devices/platform/68000000.ocp/48058000.ssi-controller/ssi0':
KERNELS=="ssi0"
SUBSYSTEMS==""
DRIVERS==""
looking at parent device
'/devices/platform/68000000.ocp/48058000.ssi-controller':
KERNELS=="48058000.ssi-controller"
SUBSYSTEMS=="platform"
DRIVERS=="omap_ssi"
ATTRS{driver_override}=="(null)"
looking at parent device '/devices/platform/68000000.ocp':
KERNELS=="68000000.ocp"
SUBSYSTEMS=="platform"
DRIVERS=="omap_l3_smx"
ATTRS{driver_override}=="(null)"
looking at parent device '/devices/platform':
KERNELS=="platform"
SUBSYSTEMS==""
DRIVERS==""
-Clayton
On Fri, Sep 08, 2017 at 03:29:27AM +0200, Jonas Bonn wrote:
On 09/08/2017 03:17 AM, Clayton Craft wrote:
This is on HSI bus. I am running ofono on the N900 (not tethering).
OK, from what I understand, you should be able to find this device
under /sys/class/net/....
See if you can find the device there and run:
udevadm info --query all --path /sys/class/net/....
and
udevadm info --attribute-walk --path /sys/class/net.....
Post that output here if it's sane so that we can see what info
udev is giving you for the device.
/Jonas
From what I understand, I am loading all of the necessary drivers for
this to work (nokia-modem, which pulls in its dependencies
automaticall). As I stated in my original note, before moving 'legacy
device' initialization to udevng, ofono would at least 'see' the
modem. The test script 'list-modems' would list it, now it does not
list anything.
-Clayton
On Fri, Sep 08, 2017 at 03:13:03AM +0200, Jonas Bonn wrote:
On 09/08/2017 02:51 AM, Clayton Craft wrote:
Hi,
I've been debugging why the n900 modem is not recognized by ofono
for a few days now, and have determined that the cause is because the
calls in udevng to udev_device_get_devnode return NULL. It seems that
the nokia-modem driver does not create any device nodes under /dev.
What bus does this modem sit on? Are you running ofono _on_
the N900 or are you trying to tether the N900 to some system
with ofono?
If you are tethering, what udev events do you get when you
plug in the modem? Try running "udevadm monitor" and watch
what happens when you plug the modem in.
Not getting a device node sounds mostly like there's a driver
missing, though...
/Jonas
This seems to be a regression in functionality since the move to
udevng as previous versions of ofono seem to detect the n900 modem
correctly (right before this commit
3ac449e25fc8cb9880c48b8f309189c6a644f200)
This issue occurs from this commit onwards, including the
latest commit
as of this mail.
https://git.kernel.org/pub/scm/network/ofono/ofono.git/tree/plugins/udevng.c#n1316
-Clayton
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