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SubjectRe: [PATCH 02/37] binder: use group leader instead of open thread
Hi,

On 25 July 2017 at 14:43, Martijn Coenen <maco@google.com> wrote:
> Hi John,
>
> On Mon, Jul 24, 2017 at 11:07 PM, John Stultz <john.stultz@linaro.org> 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

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