ffmpeg can't allocate memory when using any vulkan hwaccel

[illy]

Hardware used: Amd 5500U APU
Version: ffmpeg 7.1.1

Summary of the bug:
trying to use the vulkan mp4 codec, it fails with error

Device creation failed: -12.
Failed to set value 'vulkan=vk:0' for option 'init_hw_device': Cannot allocate memory
Error parsing global options: Cannot allocate memory

How to reproduce:

ffmpeg -init_hw_device "vulkan=vk:0" -hwaccel vulkan -hwaccel_output_format vulkan -i VID_XXXX.mp4 -crf 42 VID_XXXX-smaller.mp4

output:

ffmpeg version 7.1.1 Copyright (c) 2000-2025 the FFmpeg developers
  built with gcc 11 (Ubuntu 11.4.0-1ubuntu1~22.04)
  configuration: --prefix=/home/linuxbrew/.linuxbrew/Cellar/ffmpeg/7.1.1_3 --enable-shared --enable-pthreads --enable-version3 --cc=gcc-11 --host-cflags= --host-ldflags= --enable-ffplay --enable-gnutls --enable-gpl --enable-libaom --enable-libaribb24 --enable-libbluray --enable-libdav1d --enable-libharfbuzz --enable-libjxl --enable-libmp3lame --enable-libopus --enable-librav1e --enable-librist --enable-librubberband --enable-libsnappy --enable-libsrt --enable-libssh --enable-libsvtav1 --enable-libtesseract --enable-libtheora --enable-libvidstab --enable-libvmaf --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libxvid --enable-lzma --enable-libfontconfig --enable-libfreetype --enable-frei0r --enable-libass --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libspeex --enable-libsoxr --enable-libzmq --enable-libzimg --disable-libjack --disable-indev=jack
  libavutil      59. 39.100 / 59. 39.100
  libavcodec     61. 19.101 / 61. 19.101
  libavformat    61.  7.100 / 61.  7.100
  libavdevice    61.  3.100 / 61.  3.100
  libavfilter    10.  4.100 / 10.  4.100
  libswscale      8.  3.100 /  8.  3.100
  libswresample   5.  3.100 /  5.  3.100
  libpostproc    58.  3.100 / 58.  3.100
Splitting the commandline.
Reading option '-v' ... matched as option 'v' (set logging level) with argument 'debug'.
Reading option '-init_hw_device' ... matched as option 'init_hw_device' (initialise hardware device) with argument 'vulkan=vk:0'.
Reading option '-hwaccel' ... matched as option 'hwaccel' (use HW accelerated decoding) with argument 'vulkan'.
Reading option '-hwaccel_output_format' ... matched as option 'hwaccel_output_format' (select output format used with HW accelerated decoding) with argument 'vulkan'.
Reading option '-i' ... matched as input url with argument 'VID_20250710_170316-FASTER.mp4'.
Reading option '-crf' ... matched as AVOption 'crf' with argument '42'.
Reading option 'VID_20250710_170316-FASTERERER.mp4' ... matched as output url.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option v (set logging level) with argument debug.
Applying option init_hw_device (initialise hardware device) with argument vulkan=vk:0.
Device creation failed: -12.
Failed to set value 'vulkan=vk:0' for option 'init_hw_device': Cannot allocate memory
Error parsing global options: Cannot allocate memory

[Lynne]

Blame nvidia.
There's a patch on the ml.

[illy]

oh alright, im going to try that patch (if i figure out how to compile linuxbrew stuffs)

[illy]

so umm, sorry for the email, but how would i like look for patches in the ml?