On Mon, Apr 11, 2016 at 9:29 AM, Matthias Apitz <g...@unixarea.de> wrote:
> I don't know if this is related (or another bug): I can reproduce 100%
> on OTA-10 with the app SensorStatus, that the app opens successful the
> GPS service, issues some ioctls and without getting or waiting for a
> first fix, it just closes again the GPS, all this within 2 secs:
>

The app does not issue the ioctls, it is the service doing it (or
better: the Android GPS HAL implementation).
Did you put the app into background by any chance?

> $ tail -f /var/log/syslog | fgrep GPS
>
> Apr  8 08:48:48 ubuntu-phablet kernel: [  668.400623] 
> (2)[1213:mtk_wmtd][WMT-CTRL][I]wmt_ctrl_gps_sync_set:ctrl GPS_SYNC(4)
> Apr  8 08:48:48 ubuntu-phablet kernel: [  668.400669] 
> (2)[1213:mtk_wmtd][WMT-FUNC][I]wmt_func_gps_pre_ctrl:ctrl GPS_SYNC_SET(0) ok
> Apr  8 08:48:48 ubuntu-phablet kernel: [  668.401061] 
> (1)[1213:mtk_wmtd][WMT-FUNC][I]wmt_func_gps_pre_ctrl:set reg for GPS_SYNC 
> function okay by chip ic_pin_ctrl
> Apr  8 08:48:48 ubuntu-phablet kernel: [  668.401191] 
> (1)[1213:mtk_wmtd][WMT-CTRL][I]wmt_ctrl_gps_lna_set:ctrl GPS_LNA(2)
> Apr  8 08:48:48 ubuntu-phablet kernel: [  668.403702] (3)[1074:mnld][GPS] 
> [I]GPS_open: WMT turn on GPS OK!
> Apr  8 08:48:48 ubuntu-phablet kernel: [  668.403753] (3)[1074:mnld][GPS] 
> [I]GPS_compat_ioctl: (8)
> Apr  8 08:48:48 ubuntu-phablet kernel: [  668.403769] (3)[1074:mnld][GPS] 
> [I]GPS_unlocked_ioctl: GPS co_clock_flag (0)
> Apr  8 08:48:48 ubuntu-phablet kernel: [  668.404403] (3)[1074:mnld][GPS] 
> [I]GPS_compat_ioctl: (7)
> Apr  8 08:48:48 ubuntu-phablet kernel: [  668.404419] (3)[1074:mnld][GPS] 
> [I]GPS_unlocked_ioctl: low power flag (0)
> Apr  8 08:48:48 ubuntu-phablet kernel: [  668.406411] (1)[8506:mnld][GPS] 
> [I]GPS_compat_ioctl: (21505)
> Apr  8 08:48:48 ubuntu-phablet kernel: [  668.406429] (1)[8506:mnld][GPS] 
> [I]GPS_unlocked_ioctl: unknown cmd (21505)
> Apr  8 08:48:48 ubuntu-phablet kernel: [  668.406445] (1)[8506:mnld][GPS] 
> [I]GPS_compat_ioctl: (21506)
> Apr  8 08:48:48 ubuntu-phablet kernel: [  668.406459] (1)[8506:mnld][GPS] 
> [I]GPS_unlocked_ioctl: unknown cmd (21506)
> Apr  8 08:48:48 ubuntu-phablet kernel: [  668.406474] (1)[8506:mnld][GPS] 
> [I]GPS_compat_ioctl: (21515)
> Apr  8 08:48:48 ubuntu-phablet kernel: [  668.406487] (1)[8506:mnld][GPS] 
> [I]GPS_unlocked_ioctl: unknown cmd (21515)
> Apr  8 08:48:48 ubuntu-phablet kernel: [  668.407859] (1)[8506:mnld][GPS] 
> [I]GPS_compat_ioctl: (21505)
> Apr  8 08:48:48 ubuntu-phablet kernel: [  668.407880] (1)[8506:mnld][GPS] 
> [I]GPS_unlocked_ioctl: unknown cmd (21505)
> Apr  8 08:48:48 ubuntu-phablet kernel: [  668.407896] (1)[8506:mnld][GPS] 
> [I]GPS_compat_ioctl: (21506)
> Apr  8 08:48:48 ubuntu-phablet kernel: [  668.407910] (1)[8506:mnld][GPS] 
> [I]GPS_unlocked_ioctl: unknown cmd (21506)
> Apr  8 08:48:48 ubuntu-phablet kernel: [  668.407925] (1)[8506:mnld][GPS] 
> [I]GPS_compat_ioctl: (21515)
> Apr  8 08:48:48 ubuntu-phablet kernel: [  668.407938] (1)[8506:mnld][GPS] 
> [I]GPS_unlocked_ioctl: unknown cmd (21515)
> Apr  8 08:48:48 ubuntu-phablet kernel: [  668.418189] (1)[8506:mnld][GPS] 
> [I]GPS_compat_ioctl: (21505)
> Apr  8 08:48:48 ubuntu-phablet kernel: [  668.418211] (1)[8506:mnld][GPS] 
> [I]GPS_unlocked_ioctl: unknown cmd (21505)
> Apr  8 08:48:48 ubuntu-phablet kernel: [  668.418228] (1)[8506:mnld][GPS] 
> [I]GPS_compat_ioctl: (21506)
> Apr  8 08:48:48 ubuntu-phablet kernel: [  668.418264] (1)[8506:mnld][GPS] 
> [I]GPS_unlocked_ioctl: unknown cmd (21506)
> Apr  8 08:48:48 ubuntu-phablet kernel: [  668.418281] (1)[8506:mnld][GPS] 
> [I]GPS_compat_ioctl: (21515)
> Apr  8 08:48:48 ubuntu-phablet kernel: [  668.418294] (1)[8506:mnld][GPS] 
> [I]GPS_unlocked_ioctl: unknown cmd (21515)
> Apr  8 08:48:50 ubuntu-phablet kernel: [  669.680710] 
> (1)[1213:mtk_wmtd][WMT-CTRL][I]wmt_ctrl_gps_sync_set:ctrl GPS_SYNC(7)
> Apr  8 08:48:50 ubuntu-phablet kernel: [  669.680741] 
> (1)[1213:mtk_wmtd][WMT-FUNC][I]wmt_func_gps_pre_ctrl:ctrl GPS_SYNC_SET(1) ok
> Apr  8 08:48:50 ubuntu-phablet kernel: [  669.681611] 
> (1)[1213:mtk_wmtd][WMT-FUNC][I]wmt_func_gps_pre_ctrl:set reg for GPS_SYNC 
> function okay by chip ic_pin_ctrl
> Apr  8 08:48:50 ubuntu-phablet kernel: [  669.681671] 
> (1)[1213:mtk_wmtd][WMT-CTRL][I]wmt_ctrl_gps_lna_set:ctrl GPS_LNA(7)
> Apr  8 08:48:50 ubuntu-phablet kernel: [  669.683691] (1)[1074:mnld][GPS] 
> [I]GPS_close: WMT turn off GPS OK!
> Apr  8 08:48:50 ubuntu-phablet kernel: [  669.654292] 
> (1)[1964:tx_thread][GPS] [I]GPS_read: signaled by -ERESTARTSYS(-512)
>
> --
> You received this bug notification because you are a bug assignee.
> https://bugs.launchpad.net/bugs/1565469
>
> Title:
>   GPS Denied without reason
>
> Status in Canonical System Image:
>   Incomplete
> Status in Oxide:
>   New
> Status in location-service package in Ubuntu:
>   Confirmed
>
> Bug description:
>   You're using the GPS, and without reason, it stops. It doesn't return more 
> positions.
>   If you cancel the route and set a new one, a popup will tell you that the 
> GPS is denied.
>   I experienced this in OSM (From Alan) too.
>   You know uNav is not freeze because you can drag the map.
>
>   rc-proposed in Nexus 4 and BQ E4.5.
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/canonical-devices-system-image/+bug/1565469/+subscriptions

-- 
You received this bug notification because you are a member of Ubuntu
Desktop Bugs, which is subscribed to location-service in Ubuntu.
https://bugs.launchpad.net/bugs/1565469

Title:
  GPS Denied without reason

To manage notifications about this bug go to:
https://bugs.launchpad.net/canonical-devices-system-image/+bug/1565469/+subscriptions

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