VirtualBox

Opened 6 years ago

Last modified 5 years ago

#18032 closed defect

Serial port communication become broken once vm was paused and then unpaused — at Initial Version

Reported by: icegood Owned by:
Component: uart Version: VirtualBox 5.2.18
Keywords: serial pause Cc:
Guest type: Linux Host type: Windows

Description

Steps to reproduce: 1) Establish serial communication between host and guest 2) Pause vm 3) Unpause it back. Expected result: communication will not break Actual result: communication is broken and reopening of com ports on both host and guest lead to nothing. additionally in vm log you can find next messages:

00:01:51.916503 HostSerial#0: Wait failed with error VERR_INVALID_PARAMETER; terminating the worker thread. 00:01:51.916514 PDMThread: Thread 'SerRecv' (0000000009c84840) quit unexpectedly with rc=VERR_INVALID_PARAMETER. 00:01:51.916550 HostSerial#1: Wait failed with error VERR_INVALID_PARAMETER; terminating the worker thread. 00:01:51.916559 PDMThread: Thread 'SerRecv' (0000000009c7f6b0) quit unexpectedly with rc=VERR_INVALID_PARAMETER.

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