[FFmpeg-trac] #10975(avcodec:new): cuCtxDestroy causing system freeze and black screen

[FFmpeg]

#10975: cuCtxDestroy causing system freeze and black screen
-------------------------------------+-------------------------------------
             Reporter:               |                    Owner:  (none)
  sunboeasy at gmail.com                |
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:  avcodec
              Version:  5.1.2        |               Resolution:
             Keywords:  nvenc cuvid  |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Description changed by sunboeasy at gmail.com:

Old description:

> Summary of the bug:
> I'm encountering a problem with the cuCtxDestroy function that seems to
> be causing my system to freeze and result in a black screen. I'm running
> Windows 11 on my computer, and I would appreciate any assistance in
> troubleshooting this issue.
>
> When I call cuCtxDestroy, it takes more than 10 seconds to complete,
> during which both the GPU and CPU appear to be stuck. Eventually, the
> screen goes black, and in some cases, the system may recover, while in
> other cases, it requires a system reboot.
>
> Here is some information about my system:
> * Integrated Intel graphics card
> * NVIDIA GeForce GTX 1650
> * Driver Version: 546.65
> * CUDA Version: 12.3
> * Windows 11
> How to reproduce:
> {{{
> Continuously create and destroy nvenc/cuvid codecs
> }}}

New description:

 Summary of the bug:
 I'm encountering a problem with the cuCtxDestroy function that seems to be
 causing my system to freeze and result in a black screen. I'm running
 Windows 11 on my computer, and I would appreciate any assistance in
 troubleshooting this issue.

 When I call cuCtxDestroy, it takes more than 10 seconds to complete,
 during which both the GPU and CPU appear to be stuck. Eventually, the
 screen goes black, and in some cases, the system may recover, while in
 other cases, it requires a system reboot.

 Here is some information about my system:
 * Integrated Intel graphics card
 * NVIDIA GeForce GTX 1650
 * Driver Version: 546.65
 * CUDA Version: 12.3
 * Windows 11
 How to reproduce:
 {{{
 Continuously create and destroy nvenc/cuvid codecs
 }}}
 Please check attached images.

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Ticket URL: <https://trac.ffmpeg.org/ticket/10975#comment:1>
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