title: the first two starts: a missing Python header, then no CUDA compiler
source: manuals/sglang-101/capture/gpu/incidents/l4-toolchain-failures.txt
lines: 1-8
lang: text
note: Read the first error line under each attempt header. The progress bar line repeats the first error.
---
=== attempt: out-l4-nopyheaders/server-default.log
<site-packages>/triton/backends/nvidia/driver.c:9:10: fatal error: Python.h: No such file or directory
<site-packages>/triton/backends/nvidia/driver.c:9:10: fatal error: Python.h: No such file or directory

  0%|          | 0/50 [00:00<?, ?it/s]
Capturing prefill shape (num_tokens=4096 avail_mem=2.28 GB):   0%|          | 0/50 [00:00<?, ?it/s]<site-packages>/triton/backends/nvidia/driver.c:9:10: fatal error: Python.h: No such file or directory
=== attempt: out-l4-nonvcc/server-default.log
[2026-10-16 14:21:19] RuntimeError: Could not find nvcc and default cuda_home='/usr/local/cuda' doesn't exist
    raise RuntimeError(
RuntimeError: Could not find nvcc and default cuda_home='/usr/local/cuda' doesn't exist
