x4412板子蓝牙传送文件异常

ut2015

x4412板子上，android4.0系统，使用开发板配套usb蓝牙模块。
与手机配对，手机向板子发送文件正常。
板子向手机发文件，系统一直异常重启，打印如下：
root@android:/ #
root@android:/ # [   43.773225] usb 1-1.4: USB disconnect, device number 3
[   48.055585] usb 1-1.4: new full speed USB device number 4 using s5p-ehci
[   48.165899] usb 1-1.4: device descriptor read/all, error -32
[   48.241453] usb 1-1.4: new full speed USB device number 5 using s5p-ehci

root@android:/ #
root@android:/ # [   50.014948] binder: 1982: binder_alloc_buf, no vma
[   50.018485] binder: 2516:2516 transaction failed 29201, size 68-0
[   50.024760] binder: release 1982:1993 transaction 8455 in, still active
[   50.032297] binder: send failed reply for transaction 8455 to 2178:2178
[   50.037612] binder: release 1982:2537 transaction 8422 out, still active
[   50.044228] binder: send failed reply for transaction 8456 to 2129:2152
[   50.051539] binder: 2516:2516 transaction failed 29189, size 96-4
[   50.060775] binder: 2129:2152 transaction failed 29189, size 8-0
[   50.070358] alarm_release: clear alarm, pending 0
[   50.073586] alarm_release: clear alarm, pending 0
[   50.085550] binder: send failed reply for transaction 8422, target dead
[   50.091029] alarm_release: clear alarm, pending 0

root@android:/ # [   50.185272] request_suspend_state: wakeup (0->0) at 50185263233 (2000-01-01 00:18:46.960306148 UTC)
[   50.241068] init: untracked pid 1482 exited
[   50.243812] init: untracked pid 2115 exited
[   50.275120] init: untracked pid 2129 exited
[   50.277859] init: untracked pid 2201 exited
[   50.321596] init: untracked pid 2516 exited
[   50.399804] init: untracked pid 2502 exited
[   50.481438] CPU3: Booted secondary processor
[   50.485038] Switched to NOHz mode on CPU #3
[   50.511887] init: untracked pid 1488 exited
[   50.514651] init: untracked pid 2053 exited
[   50.538393] s3c-fimc0: FIMC0 1 opened.
[   50.540835] s3c-fimc0: FIMC0 0 released.
[   50.544758] init: untracked pid 2429 exited
[   50.550775] init: untracked pid 2178 exited
[   50.554731] init: untracked pid 2390 exited
[   50.557745] init: untracked pid 2303 exited
[   50.561865] init: untracked pid 2335 exited
[   50.566225] init: untracked pid 2214 exited
[   50.573150] init: untracked pid 2352 exited
[   50.578574] init: untracked pid 2320 exited
[   50.584221] init: untracked pid 2268 exited
[   50.616747] init: untracked pid 2101 exited
[   50.676641] init: untracked pid 2369 exited
[   50.679564] init: untracked pid 2444 exited
[   50.690406] init: untracked pid 2161 exited

ut2015

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wsx7915

我在開發藍牙收尋beacon也有問題
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