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Timeout Detection and Recovery
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<h2 id="timeline">Timeline</h2> <p>When the GPU takes more than the allotted time to process a request, the system's GPU <a href="/facts/Scheduling_(computing)/XptmcM1a">scheduler</a> will pick up the anomaly. It then tries to <a href="/facts/Preemption_(computing)/wjgIbWel">preempt</a> the particular task, this operation has the TDR timeout which is 2 seconds by default.<a class="footnote-ref" id="fnref:2" href="#fn:2"><sup>2</sup></a><a class="footnote-ref" id="fnref:3" href="#fn:3"><sup>3</sup></a> </p><p>Once the timeout is up and the task is not completed or preempted, the <a href="/facts/Kernel_(operating_system)/uEj4U3Rz">kernel</a> determines that the GPU is frozen and proceeds to inform the respective driver about the detected timeout. It is then the driver's responsibility to properly reset and reinitialize the underlying GPU.<a class="footnote-ref" id="fnref:4" href="#fn:4"><sup>4</sup></a><a class="footnote-ref" id="fnref:5" href="#fn:5"><sup>5</sup></a> </p><p>The OS will then do a bunch of other recovery steps needed for the system to regain responsiveness. If the entire operation was successful, the end user might see some visual artefacts and a message will be shown on the screen describing what had happened (<i>"Display driver stopped responding and has recovered."</i>), else a BSOD might ensue.<a class="footnote-ref" id="fnref:6" href="#fn:6"><sup>6</sup></a><a class="footnote-ref" id="fnref:7" href="#fn:7"><sup>7</sup></a> </p> <h2 id="possible-causes">Possible causes</h2> <p>There are multiple probable causes should a recovery fail, causing an inevitable BSOD:<a class="footnote-ref" id="fnref:8" href="#fn:8"><sup>8</sup></a><a class="footnote-ref" id="fnref:9" href="#fn:9"><sup>9</sup></a> </p> <ul><li>Outdated drivers</li> <li>GPU/Hardware issue</li> <li>Overloading the GPU</li> <li><a href="/facts/Data_corruption/b5j3bISU">Corrupted</a> <a href="/facts/Application_software/YQuj7Kog">application</a>/system files/driver</li></ul> <h2 id="bsod-stop-codes">BSOD stop codes</h2> <p>Possible BSOD stop codes emitted if the attempted recovery failed: </p> <ul><li>VIDEO_TDR_FAILURE (Bug check value: 0x116), recovery and resetting of display driver from a TDR timeout failed.<a class="footnote-ref" id="fnref:10" href="#fn:10"><sup>10</sup></a><a class="footnote-ref" id="fnref:11" href="#fn:11"><sup>11</sup></a></li></ul> <h2 id="see-also">See also</h2> <ul><li><a href="/facts/Windows_Display_Driver_Model/AqSpmN67">Windows Display Driver Model</a></li> <li><a href="/facts/Display_driver/sUpJQsvH">Display driver</a></li> <li><a href="/facts/DirectX/jyy75wVN">DirectX</a></li> <li><a href="/facts/Vulkan/e188Vdpc">Vulkan</a></li></ul> <h2 id="further-reading">Further reading</h2> <ul><li><a href="https://docs.nvidia.com/gameworks/content/developertools/desktop/timeout_detection_recovery.htm">Timeout Detection & Recovery (TDR) Nvidia</a></li> <li><a href="https://learn.microsoft.com/en-us/windows-hardware/drivers/display/tdr-changes-in-windows-8">TDR in Windows 8 and later - Windows drivers | Microsoft Learn</a></li> <li><a href="https://learn.microsoft.com/en-us/windows-hardware/drivers/display/thread-synchronization-and-tdr">Thread Synchronization and TDR - Windows drivers | Microsoft Learn</a></li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>Microsoft. "Timeout detection and recovery (TDR) - Windows drivers". Retrieved 2022-03-23. <a href="/wiki/Microsoft" target="_blank">/wiki/Microsoft</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>Microsoft. "Timeout detection and recovery (TDR) - Windows drivers". Retrieved 2022-03-23. <a href="/wiki/Microsoft" target="_blank">/wiki/Microsoft</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>Microsoft. "Bug Check 0x116 VIDEO_TDR_FAILURE - Windows drivers | Microsoft Learn". Retrieved 2022-03-23. <a href="/wiki/Microsoft" target="_blank">/wiki/Microsoft</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>Microsoft. "Timeout detection and recovery (TDR) - Windows drivers". Retrieved 2022-03-23. <a href="/wiki/Microsoft" target="_blank">/wiki/Microsoft</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> <li id="fn:5"><p>Microsoft. "Bug Check 0x116 VIDEO_TDR_FAILURE - Windows drivers | Microsoft Learn". Retrieved 2022-03-23. <a href="/wiki/Microsoft" target="_blank">/wiki/Microsoft</a> <a href="#fnref:5" class="footnote-back-ref">↩</a></p></li> <li id="fn:6"><p>Microsoft. "Timeout detection and recovery (TDR) - Windows drivers". Retrieved 2022-03-23. <a href="/wiki/Microsoft" target="_blank">/wiki/Microsoft</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></p></li> <li id="fn:7"><p>Microsoft. "Bug Check 0x116 VIDEO_TDR_FAILURE - Windows drivers | Microsoft Learn". Retrieved 2022-03-23. <a href="/wiki/Microsoft" target="_blank">/wiki/Microsoft</a> <a href="#fnref:7" class="footnote-back-ref">↩</a></p></li> <li id="fn:8"><p>Microsoft. "Bug Check 0x116 VIDEO_TDR_FAILURE - Windows drivers | Microsoft Learn". Retrieved 2022-03-23. <a href="/wiki/Microsoft" target="_blank">/wiki/Microsoft</a> <a href="#fnref:8" class="footnote-back-ref">↩</a></p></li> <li id="fn:9"><p>AMD. "How to Troubleshoot Timeout Detection and Recovery Errors | AMD". Retrieved 2023-03-23. <a href="/wiki/AMD" target="_blank">/wiki/AMD</a> <a href="#fnref:9" class="footnote-back-ref">↩</a></p></li> <li id="fn:10"><p>Microsoft. "Bug Check 0x116 VIDEO_TDR_FAILURE - Windows drivers | Microsoft Learn". Retrieved 2022-03-23. <a href="/wiki/Microsoft" target="_blank">/wiki/Microsoft</a> <a href="#fnref:10" class="footnote-back-ref">↩</a></p></li> <li id="fn:11"><p>"Blue Screen of Death Windows 11 and 10 Error Codes List [BSOD]". 11 February 2020. Retrieved 2022-03-23. <a href="https://www.howto-connect.com/blue-screen-of-death-windows-10-error-codes-list-bsod/" target="_blank">https://www.howto-connect.com/blue-screen-of-death-windows-10-error-codes-list-bsod/</a> <a href="#fnref:11" class="footnote-back-ref">↩</a></p></li> </ol>