From 81e7c921f8b57cfbc6bd31110364c768bf9d3a7f Mon Sep 17 00:00:00 2001
From: Michael Chus <mike@mchus.pro>
Date: Tue, 14 Apr 2026 07:02:37 +0300
Subject: [PATCH] =?UTF-8?q?=D0=B4=D0=B5=D0=B1=D0=B0=D0=B3=20=D0=BF=D1=80?=
 =?UTF-8?q?=D0=B8=20=D1=81=D0=B1=D0=BE=D1=80=D0=BA=D0=B5?=
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---
 iso/builder/build.sh | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/iso/builder/build.sh b/iso/builder/build.sh
index ac89fcf..1037ebb 100755
--- a/iso/builder/build.sh
+++ b/iso/builder/build.sh
@@ -873,6 +873,22 @@ if [ "$BEE_GPU_VENDOR" = "nvidia" ]; then
 
     CUBLAS_CACHE="${DIST_DIR}/cublas-${CUBLAS_VERSION}+cuda${NCCL_CUDA_VERSION}"
 
+    echo "=== bee-gpu-burn FP4 header probe ==="
+    fp4_type_match="$(grep -Rsnm 1 'CUDA_R_4F_E2M1' "${CUBLAS_CACHE}/include" 2>/dev/null || true)"
+    fp4_scale_match="$(grep -Rsnm 1 'CUBLASLT_MATMUL_MATRIX_SCALE_VEC16_UE4M3' "${CUBLAS_CACHE}/include" 2>/dev/null || true)"
+    if [ -n "$fp4_type_match" ]; then
+        echo "fp4_header_symbol=present"
+        echo "$fp4_type_match"
+    else
+        echo "fp4_header_symbol=missing"
+    fi
+    if [ -n "$fp4_scale_match" ]; then
+        echo "fp4_scale_mode_symbol=present"
+        echo "$fp4_scale_match"
+    else
+        echo "fp4_scale_mode_symbol=missing"
+    fi
+
     GPU_STRESS_NEED_BUILD=1
     if [ -f "$GPU_BURN_WORKER_BIN" ]; then
         GPU_STRESS_NEED_BUILD=0
@@ -901,6 +917,12 @@ if [ "$BEE_GPU_VENDOR" = "nvidia" ]; then
     else
         echo "=== bee-gpu-burn worker up to date, skipping build ==="
     fi
+    echo "=== bee-gpu-burn compiled profile probe ==="
+    if grep -aq 'fp4_e2m1' "$GPU_BURN_WORKER_BIN"; then
+        echo "fp4_profile_string=present"
+    else
+        echo "fp4_profile_string=missing"
+    fi
 fi
 
 echo "=== preparing staged overlay (${BUILD_VARIANT}) ==="