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eProsima / Fast-DDS

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TCP channel suddenly disconnected causing writer deadlock #4940

Open wangzm-R opened 3 weeks ago

wangzm-R commented 3 weeks ago

Is there an already existing issue for this?

Expected behavior

When a subscriber TCP channel is suddenly disconnected, it does not block the normal release data of the publisher;

Current behavior

If a publisher and two subscribers are on unused hardware, and a subscriber's machine suddenly power off, the publisher will be blocked after 1min; once the subscriber's device is activated again, the publisher will return to normal;（use static ip）

Steps to reproduce

use publisher and subscriber;

Fast DDS version/commit

fastdds2.14.0 fastdds2.11.2

Platform/Architecture

Ubuntu Focal 20.04 amd64

Transport layer

TCPv4

Additional context

No response

XML configuration file

No response

Relevant log output

No response

Network traffic capture

No response

wangzm-R commented 3 weeks ago

335961386-ae2b8794-d6f2-47e7-b56e-45a00ece7290

deadlock location;

elianalf commented 2 weeks ago

Hi @wangzm-R, Thank you for using Fast DDS.

In Fast DDS 2.14.1 there are many improvements related to TCP and this issue might be fixed in the latest version. Can you try and let us know if it's fixed?