Update: UltraVNC 1.4.3.6 and UltraVNC SC 1.4.3.6: https://forum.uvnc.com/viewtopic.php?t=37885
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by rdonnerhack
2011-08-16 17:03
Forum: Olders
Topic: [BUG] Thread Deadlock When Multiple Viewers Connect at Once
Replies: 3
Views: 4501

Re: Thread Deadlock When Multiple Viewers Connect at Once

We figured out the cause and it appears to be a defect on the VNC Server. The problem is that different threads are attempting to lock the same mutex. Since the second thread may not always realize that the first thread has released the mutex, it waits indefinitely. Once the first thread goes to the ...
by rdonnerhack
2011-08-09 22:33
Forum: Olders
Topic: [BUG] Thread Deadlock When Multiple Viewers Connect at Once
Replies: 3
Views: 4501

[BUG] Thread Deadlock When Multiple Viewers Connect at Once

Our software team has a product that typically utilizes concurrent connections to an UltraVNC 1.0.9.6.1 Server. However, we have come across intermittent deadlocks which requires killing and then restarting the process. I was able to reproduce the issue by doing the following: - Write a script to ...

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