From 241cbd41d21fca058c5ce900502e5d6d8d5b041b Mon Sep 17 00:00:00 2001
From: Andreas Kieslinger <47689530+aendk@users.noreply.github.com>
Date: Fri, 29 May 2026 06:46:10 +0200
Subject: [PATCH] cuda : disables launch_fattn PDL enrollment due to compiler
 bug (#23825)

---
 ggml/src/ggml-cuda/fattn-common.cuh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ggml/src/ggml-cuda/fattn-common.cuh b/ggml/src/ggml-cuda/fattn-common.cuh
index debcb6e54..d650b5fbd 100644
--- a/ggml/src/ggml-cuda/fattn-common.cuh
+++ b/ggml/src/ggml-cuda/fattn-common.cuh
@@ -1153,8 +1153,8 @@ void launch_fattn(
 
     GGML_ASSERT(block_dim.x % warp_size == 0);
 
-    const ggml_cuda_kernel_launch_params launch_params = ggml_cuda_kernel_launch_params(blocks_num, block_dim, nbytes_shared, main_stream);
-    ggml_cuda_kernel_launch(fattn_kernel, launch_params,
+        // disabled PDL enrollment for now due to a compiler bug.
+        fattn_kernel<<<blocks_num, block_dim, nbytes_shared, main_stream>>>(
         (const char *) Q->data,
         K_data,
         V_data,