File "/sgl-workspace/sglang/python/sglang/srt/managers/scheduler.py", line 3195, in run_scheduler_process
    scheduler.event_loop_normal_disagg_prefill()
  File "/usr/local/lib/python3.12/dist-packages/torch/utils/_contextlib.py", line 120, in decorate_context
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^
  File "/sgl-workspace/sglang/python/sglang/srt/disaggregation/prefill.py", line 408, in event_loop_normal_disagg_prefill
    self.process_input_requests(recv_reqs)
  File "/sgl-workspace/sglang/python/sglang/srt/managers/scheduler.py", line 1390, in process_input_requests
    output = self._request_dispatcher(recv_req)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/sgl-workspace/sglang/python/sglang/utils.py", line 568, in __call__
    return fn(obj)
           ^^^^^^^
  File "/sgl-workspace/sglang/python/sglang/srt/managers/scheduler.py", line 2873, in pause_generation
    self.running_batch.merge_batch(self.last_batch)
  File "/sgl-workspace/sglang/python/sglang/srt/managers/schedule_batch.py", line 2139, in merge_batch
    self.sampling_info.merge_batch(other.sampling_info)
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'merge_batch'

Python: 3.12.3 (main, Jan 22 2026, 20:57:42) [GCC 13.3.0]
CUDA available: True
GPU 0,1,2,3,4,5,6,7: NVIDIA H200
GPU 0,1,2,3,4,5,6,7 Compute Capability: 9.0
CUDA_HOME: /usr/local/cuda
NVCC: Cuda compilation tools, release 12.9, V12.9.86
CUDA Driver Version: 570.133.20
PyTorch: 2.9.1+cu129
sglang: 0.5.9
sgl_kernel: 0.3.21
flashinfer_python: 0.6.3
flashinfer_cubin: 0.6.3
flashinfer_jit_cache: 0.6.3+cu129
triton: 3.5.1
transformers: 5.3.0
torchao: 0.9.0
numpy: 1.26.4
aiohttp: 3.13.3
fastapi: 0.135.1
hf_transfer: 0.1.9
huggingface_hub: 1.6.0
interegular: 0.3.3
modelscope: 1.34.0
orjson: 3.11.7
outlines: 0.1.11
packaging: 26.0
psutil: 7.2.2
pydantic: 2.12.5
python-multipart: 0.0.22
pyzmq: 27.1.0
uvicorn: 0.41.0
uvloop: 0.22.1
vllm: Module Not Found
xgrammar: 0.1.27
openai: 2.6.1
tiktoken: 0.12.0
anthropic: 0.83.0
litellm: Module Not Found
decord2: 3.0.0
NVIDIA Topology: 
	GPU0	GPU1	GPU2	GPU3	GPU4	GPU5	GPU6	GPU7	NIC0	NIC1	NIC2	NIC3	NIC4	NIC5	NIC6	NIC7	CPU Affinity	NUMA Affinity	GPU NUMA ID
GPU0	X 	NV18	NV18	NV18	NV18	NV18	NV18	NV18	PIX	PIX	NODE	NODE	SYS	SYS	SYS	SYS	0-55,112-167	0		N/A
GPU1	NV18	X 	NV18	NV18	NV18	NV18	NV18	NV18	PIX	PIX	NODE	NODE	SYS	SYS	SYS	SYS	0-55,112-167	0		N/A
GPU2	NV18	NV18	X 	NV18	NV18	NV18	NV18	NV18	NODE	NODE	PIX	PIX	SYS	SYS	SYS	SYS	0-55,112-167	0		N/A
GPU3	NV18	NV18	NV18	X 	NV18	NV18	NV18	NV18	NODE	NODE	PIX	PIX	SYS	SYS	SYS	SYS	0-55,112-167	0		N/A
GPU4	NV18	NV18	NV18	NV18	X 	NV18	NV18	NV18	SYS	SYS	SYS	SYS	PIX	PIX	NODE	NODE	56-111,168-223	1		N/A
GPU5	NV18	NV18	NV18	NV18	NV18	X 	NV18	NV18	SYS	SYS	SYS	SYS	PIX	PIX	NODE	NODE	56-111,168-223	1		N/A
GPU6	NV18	NV18	NV18	NV18	NV18	NV18	X 	NV18	SYS	SYS	SYS	SYS	NODE	NODE	PIX	PIX	56-111,168-223	1		N/A
GPU7	NV18	NV18	NV18	NV18	NV18	NV18	NV18	X 	SYS	SYS	SYS	SYS	NODE	NODE	PIX	PIX	56-111,168-223	1		N/A
NIC0	PIX	PIX	NODE	NODE	SYS	SYS	SYS	SYS	X 	PIX	NODE	NODE	SYS	SYS	SYS	SYS				
NIC1	PIX	PIX	NODE	NODE	SYS	SYS	SYS	SYS	PIX	X 	NODE	NODE	SYS	SYS	SYS	SYS				
NIC2	NODE	NODE	PIX	PIX	SYS	SYS	SYS	SYS	NODE	NODE	X 	PIX	SYS	SYS	SYS	SYS				
NIC3	NODE	NODE	PIX	PIX	SYS	SYS	SYS	SYS	NODE	NODE	PIX	X 	SYS	SYS	SYS	SYS				
NIC4	SYS	SYS	SYS	SYS	PIX	PIX	NODE	NODE	SYS	SYS	SYS	SYS	X 	PIX	NODE	NODE				
NIC5	SYS	SYS	SYS	SYS	PIX	PIX	NODE	NODE	SYS	SYS	SYS	SYS	PIX	X 	NODE	NODE				
NIC6	SYS	SYS	SYS	SYS	NODE	NODE	PIX	PIX	SYS	SYS	SYS	SYS	NODE	NODE	X 	PIX				
NIC7	SYS	SYS	SYS	SYS	NODE	NODE	PIX	PIX	SYS	SYS	SYS	SYS	NODE	NODE	PIX	X 				

Legend:

  X    = Self
  SYS  = Connection traversing PCIe as well as the SMP interconnect between NUMA nodes (e.g., QPI/UPI)
  NODE = Connection traversing PCIe as well as the interconnect between PCIe Host Bridges within a NUMA node
  PHB  = Connection traversing PCIe as well as a PCIe Host Bridge (typically the CPU)
  PXB  = Connection traversing multiple PCIe bridges (without traversing the PCIe Host Bridge)
  PIX  = Connection traversing at most a single PCIe bridge
  NV#  = Connection traversing a bonded set of # NVLinks

NIC Legend:

  NIC0: mlx5_0
  NIC1: mlx5_1
  NIC2: mlx5_2
  NIC3: mlx5_3
  NIC4: mlx5_4
  NIC5: mlx5_5
  NIC6: mlx5_6
  NIC7: mlx5_7


Hypervisor vendor:: KVM
ulimit soft: 1048576