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[GH-ISSUE #1804] 启动deepseekv3推理异常 #1132
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kvcache-ai/ktransformers#1132
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Originally created by @wonylh on GitHub (Jan 23, 2026).
Original GitHub issue: https://github.com/kvcache-ai/ktransformers/issues/1804
Reminder
System Info
系统信息:
nvidia-smi
Fri Jan 23 09:00:28 2026
+-----------------------------------------------------------------------------------------+
| NVIDIA-SMI 570.195.03 Driver Version: 570.195.03 CUDA Version: 12.8 |
|-----------------------------------------+------------------------+----------------------+
| GPU Name Persistence-M | Bus-Id Disp.A | Volatile Uncorr. ECC |
| Fan Temp Perf Pwr:Usage/Cap | Memory-Usage | GPU-Util Compute M. |
| | | MIG M. |
|=========================================+========================+======================|
| 0 NVIDIA L20 Off | 00000000:32:00.0 Off | Off |
| N/A 36C P8 36W / 350W | 22MiB / 49140MiB | 0% Default |
| | | N/A |
+-----------------------------------------+------------------------+----------------------+
| 1 NVIDIA L20 Off | 00000000:AC:00.0 Off | 0 |
| N/A 36C P8 34W / 350W | 10MiB / 46068MiB | 0% Default |
| | | N/A |
+-----------------------------------------+------------------------+----------------------+
+-----------------------------------------------------------------------------------------+
| Processes: |
| GPU GI CI PID Type Process name GPU Memory |
| ID ID Usage |
|=========================================================================================|
| 0 N/A N/A 137613 G /usr/libexec/Xorg 4MiB |
| 0 N/A N/A 137934 G ...c/gnome-remote-desktop-daemon 6MiB |
| 1 N/A N/A 137613 G /usr/libexec/Xorg 4MiB |
+-----------------------------------------------------------------------------------------+
lscpu
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Address sizes: 52 bits physical, 57 bits virtual
Byte Order: Little Endian
CPU(s): 208
On-line CPU(s) list: 0-207
Vendor ID: GenuineIntel
BIOS Vendor ID: Intel(R) Corporation
Model name: Intel(R) Xeon(R) Platinum 8470 CPU @2.00GHz
BIOS Model name: Intel(R) Xeon(R) Platinum 8470 CPU @2.00GHz CPU @ 2.0GHz
BIOS CPU family: 179
CPU family: 6
Model: 143
Thread(s) per core: 2
Core(s) per socket: 52
Socket(s): 2
Stepping: 5
CPU(s) scaling MHz: 22%
CPU max MHz: 3800.0000
CPU min MHz: 800.0000
BogoMIPS: 4000.00
Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf tsc_known_freq pni pclmulqdq dtes64 ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb cat_l3 cat_l2 cdp_l3 intel_ppin cdp_l2 ssbdmba ibrs ibpb stibp ibrs_enhanced tpr_shadow flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdt_a avx512f avx512dq rdseed adx smap avx512ifma clflushopt clwb intel_pt avx512cd sha_ni avx512bw avx512vl xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local split_lock_detect avx_vnni avx512_bf16 wbnoinvd dtherm ida arat pln pts hwp hwp_act_window hwp_epp hwp_pkg_req vnmi avx512vbmi umip pku ospke waitpkg avx512_vbmi2 gfni vaes vpclmulqdq avx512_vnni avx512_bitalg tme avx512_vpopcntdq rdpid bus_lock_detect cldemote movdiri movdir64b enqcmd fsrm md_clear
serialize tsxldtrk pconfig arch_lbr ibt amx_bf16 avx512_fp16 amx_tile amx_int8 flush_l1d arch_capabilities
Virtualization features:
Virtualization: VT-x
Caches (sum of all):
L1d: 4.9 MiB (104 instances)
L1i: 3.3 MiB (104 instances)
L2: 208 MiB (104 instances)
L3: 210 MiB (2 instances)
NUMA:
NUMA node(s): 5
NUMA node0 CPU(s): 0-51,104-155
NUMA node1 CPU(s): 52-103,156-207
NUMA node2 CPU(s):
NUMA node3 CPU(s):
NUMA node4 CPU(s):
Vulnerabilities:
Gather data sampling: Not affected
Itlb multihit: Not affected
L1tf: Not affected
Mds: Not affected
Meltdown: Not affected
Mmio stale data: Not affected
Reg file data sampling: Not affected
Retbleed: Not affected
Spec rstack overflow: Not affected
Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl
Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization
Spectre v2: Mitigation; Enhanced / Automatic IBRS; IBPB conditional; RSB filling; PBRSB-eIBRS SW sequence; BHI BHI_DIS_S
Srbds: Not affected
Tsx async abort: Not affected
执行命令:
python -m sglang.launch_server
--host 0.0.0.0
--port 30001
--model /home/models/DeepSeekV3
--kt-weight-path /home/models/DeepSeekV3-CPU-Int8
--kt-cpuinfer 80
--kt-threadpool-count 2
--kt-num-gpu-experts 2
--kt-method AMXINT8
--trust-remote-code
--mem-fraction-static 0.9
--served-model-name deepseek3
--enable-mixed-chunk
--tensor-parallel-size 2
--enable-p2p-check
--disable-shared-experts-fusion
--chunked-prefill-size 4096
--max-total-tokens 10000
--max-running-requests 10
--attention-backend triton
Reproduction
Others
No response
@ll000x commented on GitHub (Mar 20, 2026):
我也是这个问题,蹲一下
@ErvinXie commented on GitHub (Mar 31, 2026):
您好,这个错误(exit code -11,即 SIGSEGV)发生在 CUDA graph capture 阶段,通常和版本兼容性有关。
能否提供以下信息:
另外建议先尝试升级到最新的 kt-kernel 分支,很多早期版本的 CUDA graph 问题已在近期修复。
This reply was co-authored by an AI agent and a human.