Android Emulator Serial COM1 port crashes on data incoming from windows

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Nov 7, 2018, 8:29:33 AM via Website

Hi,
I have the following set:
* Windows 10 pro
* Android Studio Emulator 27.3.10
* Virtual Windows COM port bridge COM1 <--> COM2

I start the emulator with a clean API 25
target Android 7.1.1 for x86
with the following windows command:
[CODE]emulator @Device_API_25 -qemu -serial COM1[/CODE]

when running: [CODE]adb shell "dmesg|grep tty"[/CODE]
i can see that the serial port was forwarded:
[QUOTE][ 0.000000] console [ttyS0] enabled
[ 2.399629] 00:04: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
[ 2.430745] 00:05: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A[/QUOTE]

afterwards i run the adb commands:
[CODE]adb root
adb shell "setenforce 0"[/CODE]

Now,
when sending from [B]android shell[/B]:
[CODE]echo test >/dev/ttyS1[/CODE]
I can see the outcome in windows COM2 port

but, when trying to send from [B]windows[/B]:
[CODE]echo test > COM2[/CODE]

the emulator crashes with the following information:
[QUOTE]emulator: ERROR: detected a hanging thread 'QEMU2 main loop'. No response for 15058 ms[/QUOTE]
and the emulator crash data is (partially):
[QUOTE]Operating system: Windows NT
10.0.17134
CPU: amd64
family 6 model 61 stepping 4
4 CPUs

Crash reason: EXCEPTION_ACCESS_VIOLATION_WRITE
Crash address: 0x0
Assertion: Unknown assertion type 0x00000000
Process uptime: not available[/QUOTE]

did anyone encountered such an issue ?

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