Issues

• [Bug] comfy kitchen attention (INT8) returns pure noise on AMD gfx1100 once text conditioning exceeds ~150 tokens (Qwen-Image 2.1 int8_convrot)

  Comfy-Org/comfy-kitchen#230 · Filter by author snow930 opened on Oct 1, 2026

• how to disable comfy-kitchen, making bug multi gpu for cuda 128 blackwell

  Comfy-Org/comfy-kitchen#228 · Filter by author EKI-INDRADI opened on Oct 1, 2026
  1

• [AMD RDNA3 Regression] CK Attention produces corrupted Qwen Image 2.1 output after recent update

  Comfy-Org/comfy-kitchen#226 · Filter by author dkspwndj opened on Sep 30, 2026

• dequantize_int8_simple_dtype: cuda/hip drop leading dims when a one-element scale has more dims than q

  Comfy-Org/comfy-kitchen#204 · Filter by author arcusbuilds opened on Sep 26, 2026

• INT8 ConvRot stalls on model re-entry on Windows/NVIDIA — 100% GPU at ~80W, high VRAM, sometimes OOM in int8_linear

  Comfy-Org/comfy-kitchen#196 · Filter by author Epervios opened on Sep 24, 2026
  2

• Add CUDA dequantize_mxfp8

  Comfy-Org/comfy-kitchen#190 · Filter by author arcusbuilds opened on Sep 21, 2026

• [gfx1201] hip backend missing bare (non-_dtype) dequant functions — silently falls back to slow single-threaded eager backend during model load

  Comfy-Org/comfy-kitchen#188 · Filter by author CS6 opened on Sep 20, 2026
  1

• int8_attention: OverflowError past 299,520 key rows (int32 strides), reachable on long-video workloads

  Comfy-Org/comfy-kitchen#178 · Filter by author shootthesound opened on Sep 15, 2026

• int8_attention: masked path costs ~1.8x unmasked, and a request for optional return_lse

  Comfy-Org/comfy-kitchen#177 · Filter by author shootthesound opened on Sep 14, 2026

• HIP backend: kernels taking __bf16 never launch on ROCm 7.1 / clang 21 (host stub and device symbol mangled differently)

  Comfy-Org/comfy-kitchen#170 · Filter by author dyc-dev opened on Sep 10, 2026
  1

• [Bug] Triton rms_rope kernel exceeds CUDA gridDim.z limit (65535) when seq_len >= 65536

  Comfy-Org/comfy-kitchen#169 · Filter by author trojanGoat opened on Sep 10, 2026

• hello, anyone interested in corrections for Apple Silicon? I had codex correct a new issue after updating comfy.

  Comfy-Org/comfy-kitchen#164 · Filter by author buggz2k opened on Sep 7, 2026
  1

• H3 (MiniMax) on RTX 5060 Ti (sm_120): text conditioning ignored + numerical blowup in DiT blocks

  Comfy-Org/comfy-kitchen#163 · Filter by author teemaker-dev opened on Sep 7, 2026

• Proposal: xpu backend for sol_attn (Intel Arc / Xe-HPG), VSA subset first

  Comfy-Org/comfy-kitchen#152 · Filter by author AIVirtuoso opened on Sep 3, 2026

• CUDA backend cannot build with sm_70 (V100) in arch list: ptxas ldmatrix/cvt.pack errors + missing flash.h submodule

  Comfy-Org/comfy-kitchen#144 · Filter by author Joevy-1112 opened on Aug 30, 2026
  1

• MiniMax ref2va Noise output with comfy-kitchen attention

  Comfy-Org/comfy-kitchen#140 · Filter by author paju1986 opened on Aug 27, 2026
  10

• INT8 GEMM kernels index the output in int32: illegal memory access once m*n >= 2**31 (MiniMax H3 at high resolution x length)

  Comfy-Org/comfy-kitchen#136 · Filter by author mjungnickel18 opened on Aug 24, 2026

• nanobind 3.0 fails with Clang targeting Windows: dllimport vectorcall aliases are not constant expressions

  Comfy-Org/comfy-kitchen#132 · Filter by author contentis opened on Aug 23, 2026

• Segfault in HIP dequantize_per_tensor_fp8 on gfx1201 (RDNA4)

  Comfy-Org/comfy-kitchen#125 · Filter by author fgheorghe opened on Aug 21, 2026
  1

• [Bug] GPU LOST (driver device lost) with comfy kitchen attention (INT8) on NVIDIA RTX 5060 Ti (sm_120), Windows -- same workflow with native attention is stable

  Comfy-Org/comfy-kitchen#120 · Filter by author leimuxiao opened on Aug 16, 2026
  2

• Feature Request: Streamed QKV Projection and Packed Low-Bit K/V Support for Extreme Long-Sequence Attention

  Comfy-Org/comfy-kitchen#119 · Filter by author eliowang6 opened on Aug 16, 2026
  1

• na3d custom-op registration uses PEP-585 annotations, breaking import on torch < 2.7

  Comfy-Org/comfy-kitchen#114 · Filter by author j2gg0s opened on Aug 13, 2026
  1

• ck-attention STILL crashes on AMD after #104 fix

  Comfy-Org/comfy-kitchen#110 · Filter by author YAY-3M-TA3 opened on Aug 12, 2026
  14

• CUTLASS INT8 dequant selects poor config for tall MiniMax H3 shapes on RTX A6000

  Comfy-Org/comfy-kitchen#98 · Filter by author Many0therFunctions opened on Aug 7, 2026
  2

• eager backend advertises int8_linear on MPS but dispatches to CUDA-only torch._int_mm

  Comfy-Org/comfy-kitchen#92 · Filter by author namikazi25 opened on Aug 3, 2026
  7