ERROR: v4l2 capture: slave not found!

Discussion in 'Android' started by TonTon, Aug 27, 2015.

  1. TonTon

    TonTon New Member

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    Anyone knows what's error log means ?
    I have Google this error message ... but got it related with camera ... Is it can disable the function ?

    Thank You !

    Freeing init memory: 208K
    healthd: wakealarm_init: timerfd_create failed
    healthd: No charger supplies found
    healthd: BatteryStatusPath not found
    healthd: BatteryHealthPath not found
    healthd: BatteryPresentPath not found
    healthd: BatteryCapacityPath not found
    healthd: BatteryVoltagePath not found
    healthd: BatteryTemperaturePath not found
    healthd: BatteryTechnologyPath not found
    binder: 2244:2244 transaction failed 29189, size 0-0
    init: Unable to write persistent property to temp file /data/property/.temp.Jx09nZ errno: 2
    warning: `daemonsu' uses 32-bit capabilities (legacy support in use)
    init: untracked pid 2261 exited
    init: using deprecated syntax for specifying property 'ro.serialno', use ${name} instead
    init: property 'ro.serialno' doesn't exist while expanding '$ro.serialno'
    init: cannot expand '$ro.serialno' while writing to '/sys/class/android_usb/android0/iSerial'
    init: using deprecated syntax for specifying property 'ro.product.manufacturer', use ${name} instead
    init: using deprecated syntax for specifying property 'ro.product.model', use ${name} instead
    init: property 'sys.powerctl' doesn't exist while expanding '${sys.powerctl}'
    init: powerctl: cannot expand '${sys.powerctl}'
    init: property 'sys.sysctl.extra_free_kbytes' doesn't exist while expanding '${sys.sysctl.extra_free_kbytes}'
    init: cannot expand '${sys.sysctl.extra_free_kbytes}' while writing to '/proc/sys/vm/extra_free_kbytes'
    android_usb: already disabled
    mtp_bind_config
    adb_bind_config
    adb_open
    root@udoo:/ # init: untracked pid 2291 exited
    ERROR: v4l2 capture: slave not found!
    ERROR: v4l2 capture: slave not found!
    request_suspend_state: wakeup (3->0) at 30105182006 (1970-01-01 00:18:29.237351337 UTC)
    init: untracked pid 2408 exited
     
  2. Andrea Rovai

    Andrea Rovai Well-Known Member

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    Hi there TonTon,
    the camera works fine although you receive this error log message. You can ignore it, we never found malfunctions due to this error
    Cheers
     
  3. TonTon

    TonTon New Member

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    Hello ! Thank You !

    As my previous post ... I still try to boot Android from nfs on UDOO !

    Now, I can see the android booting logo as follow:

    0828.jpg

    the serial port log as follow in the same time:


    v412.png

    Now, I have disable the function " Video capture adapters" and then maje, make bootimage again ... hope it can ignore the error and boot Android from NFS !

    video.png
     
    Andrea Rovai likes this.
  4. TonTon

    TonTon New Member

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    Does anyone knows how to disable this detect function ?

    Thank you very much !!!
     

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