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Oct 13, 2025 by magicalceylontours.com 37 views

Runtime Bug: Frequently Occurring Deadlock Since RTX Remix v1.0.0

Describe the Bug

Since the release of RTX Remix v1.0.0, a deadlock has been affecting at least two applications: Deus Ex and the Echelon Renderer. The d3d9 Present() call never returns, causing the application to hang. This issue is particularly concerning as it affects the RTX Remix runtime, which is a crucial component of the RTX Remix ecosystem.

The deadlock seems to be caused by a shared lock between dxvk-cs and dxvk-submit. Although the exact thread holding the lock is unknown, it is speculated that the main thread is waiting for dxvk-submit to finish. This creates a deadlock situation where both threads are blocked, unable to proceed.

How to Reproduce the Bug

To reproduce the bug, follow these steps:

Install Deus Ex from Steam: This is the first step in reproducing the bug. Make sure you have the latest version of Deus Ex installed on your system.
Install the Deus Ex Echelon Renderer: The Echelon Renderer is a crucial component of the RTX Remix ecosystem. Install it from the official GitHub repository.
(Optionally, but strongly recommended), install Deus Exe: Deus Exe is a tool that helps to optimize the performance of Deus Ex. Although it is not required to reproduce the bug, it is highly recommended to install it for optimal performance.

The bug seems to be easier to reproduce when there is user-input. This means that the bug is more likely to occur when you are actively playing the game or interacting with the application.

What is the Expected Behavior?

The expected behavior of the RTX Remix runtime is that it should not stall or block on the Present() call. In the event of a device loss or other issues, the game should be able to recover and re-create the renderer. This would prevent the deadlock situation and ensure that the application remains responsive.

Version

The bug was first reported in RTX Remix v1.0.0. Although it is possible that the bug may have existed in earlier versions, it is only in v1.0.0 that it has been consistently reported.

Logs

To help diagnose the issue, the following logs have been provided:

remix-dxvk.log: This log file contains information about the RTX Remix runtime and the dxvk-cs and dxvk-submit threads.
bridge32.log: This log file contains information about the bridge32 component of the RTX Remix ecosystem.
bridge64.log: This log file contains information about the bridge64 component of the RTX Remix ecosystem.

Crash Dumps

Unfortunately, the crash dump file is too large to upload. However, a link to the file can be provided via email.

Media

No additional media has been provided to help diagnose the issue.

Workarounds

Although there are no official workarounds for this bug, it has been reported that setting rtx.initializer.asyncShaderFinalizing and/or rtx.initializer.asyncShaderPrewarming to false may help to prevent the deadlock situation. However, this has not been fully verified and is not a recommended solution.

Conclusion

The frequently occurring deadlock since RTX Remix v1.0.0 is a serious issue that affects the performance and responsiveness of at least two applications: Deus Ex and the Echelon Renderer. To help diagnose the issue, logs and crash dump files have been provided. Although there are no official workarounds, setting certain configuration options may help to prevent the deadlock situation.
Frequently Asked Questions (FAQs) about the Runtime Bug in RTX Remix v1.0.0

Q: What is the runtime bug in RTX Remix v1.0.0?

A: The runtime bug in RTX Remix v1.0.0 is a deadlock that affects at least two applications: Deus Ex and the Echelon Renderer. The deadlock causes the d3d9 Present() call to never return, resulting in the application hanging.

Q: What causes the deadlock?

A: The deadlock seems to be caused by a shared lock between dxvk-cs and dxvk-submit. Although the exact thread holding the lock is unknown, it is speculated that the main thread is waiting for dxvk-submit to finish.

Q: How can I reproduce the bug?

A: To reproduce the bug, follow these steps:

Install Deus Ex from Steam: This is the first step in reproducing the bug. Make sure you have the latest version of Deus Ex installed on your system.
Install the Deus Ex Echelon Renderer: The Echelon Renderer is a crucial component of the RTX Remix ecosystem. Install it from the official GitHub repository.
(Optionally, but strongly recommended), install Deus Exe: Deus Exe is a tool that helps to optimize the performance of Deus Ex. Although it is not required to reproduce the bug, it is highly recommended to install it for optimal performance.

Q: What is the expected behavior of the RTX Remix runtime?

A: The expected behavior of the RTX Remix runtime is that it should not stall or block on the Present() call. In the event of a device loss or other issues, the game should be able to recover and re-create the renderer.

Q: Is there a workaround for the bug?

A: Although there are no official workarounds for this bug, it has been reported that setting rtx.initializer.asyncShaderFinalizing and/or rtx.initializer.asyncShaderPrewarming to false may help to prevent the deadlock situation. However, this has not been fully verified and is not a recommended solution.

Q: What can I do to help diagnose the issue?

A: To help diagnose the issue, you can provide the following information:

Logs: Provide the logs from the RTX Remix runtime, including the remix-dxvk.log, bridge32.log, and bridge64.log files.
Crash dump file: If the crash dump file is not too large, you can provide a link to the file or attach it to your report.
System information: Provide information about your system, including the operating system, graphics card, and other relevant details.

Q: How can I stay up-to-date with the latest information about the bug?

A: To stay up-to-date with the latest information about the bug, you can:

Follow the RTX Remix GitHub repository: The RTX Remix team regularly updates the GitHub repository with the latest information about the bug and any fixes or workarounds.
Join the RTX Remix community: The RTX Remix community is a great place to connect with other users and developers who are working on the issue.
Check the RTX Remix website: The RTX Remix website is regularly updated with the latest information about the bug and any fixes or workarounds.

Q: What is the estimated time for a fix or workaround?

A: Unfortunately, the estimated time for a fix or workaround is not available at this time. The RTX Remix team is working hard to resolve the issue, but it is difficult to predict when a fix or workaround will be available.