Hi, On 25 July 2017 at 14:43, Martijn Coenen <maco@xxxxxxxxxx> wrote: > Hi John, > > On Mon, Jul 24, 2017 at 11:07 PM, John Stultz <john.stultz@xxxxxxxxxx> wrote: >> >> 12-31 16:00:36.632 2518 2584 E hw-ProcessState: Using /dev/hwbinder >> failed: unable to mmap transaction memory. > > This doesn't look right. Is there anything in the kernel log? There is a slight difference in this patch and the one that got pushed in android-4.9[1]. I cherry-picked those changes and got BT/WiFi working again on Hikey with mainline tracking (4.13-rc2) tree. Regards, Amit Pundir [1] https://android.googlesource.com/kernel/common/+/872c26eb0776ef160447d8703779e2bce0b7230a%5E%21/#F0 > >> 12-31 16:00:36.632 2518 2566 D bt_hci : hci_module_start_up >> starting async portion >> 12-31 16:00:36.632 2518 2584 E >> android.hardware.bluetooth@1.0::BluetoothHci: getService: >> defaultServiceManager()->getTransport returns >> Status(EX_TRANSACTION_FAILED): '-9 Bad file descriptor: ' >> 12-31 16:00:36.633 2518 2584 F : >> [1231/160036:FATAL:hci_layer_android.cc(109)] Check failed: btHci != >> nullptr. >> 12-31 16:00:36.634 2518 2584 F libc : Fatal signal 6 (SIGABRT), >> code -6 in tid 2584 (hci_thread) >> ... >> 12-31 16:00:38.027 2009 2061 E SupplicantStaIfaceHal: Exception >> while trying to register a listener for ISupplicant service: >> android.os.RemoteException: HwBinder Error: (-2147483648) >> 12-31 16:00:38.027 2009 2061 E WifiMonitor: startMonitoring(wlan0) failed! >> 12-31 16:00:38.028 2009 2061 E SupplicantStaIfaceHal: Can't call >> setDebugParams, ISupplicant is null >> 12-31 16:00:38.030 2009 2061 D WifiConfigStore: Reading from stores >> completed in 2 ms. >> 12-31 16:00:38.034 2009 2061 D WIFI : Registering NetworkFactory >> 12-31 16:00:38.035 2009 2061 D WIFI_UT : Registering NetworkFactory >> 12-31 16:00:38.035 2009 2065 D ConnectivityService: Got >> NetworkFactory Messenger for WIFI >> 12-31 16:00:38.035 2009 2065 D ConnectivityService: Got >> NetworkFactory Messenger for WIFI_UT >> 12-31 16:00:38.037 2009 2061 D WifiConfigStore: Reading from user >> store completed in 2 ms. >> 12-31 16:00:38.055 2009 2061 D WifiConfigStore: Writing to stores >> completed in 17 ms. >> 12-31 16:00:38.055 2009 2061 E WifiStateMachine: Failed to setup >> control channel, restart supplicant >> ... >> etc. >> >> thanks >> -john _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel