[Bug]: Docker image in trunk cannot find libpython.so

[maobaolong]

Your current environment

The output of `python collect_env.py`

INFO 03-18 01:32:43 [__init__.py:256] Automatically detected platform cuda.
Collecting environment information...
PyTorch version: 2.5.1+cu124
Is debug build: False
CUDA used to build PyTorch: 12.4
ROCM used to build PyTorch: N/A

OS: Ubuntu 22.04.5 LTS (x86_64)
GCC version: (Ubuntu 11.4.0-1ubuntu1~22.04) 11.4.0
Clang version: Could not collect
CMake version: version 3.31.6
Libc version: glibc-2.35

Python version: 3.12.9 (main, Mar 11 2025, 17:26:57) [Clang 20.1.0 ] (64-bit runtime)
Python platform: Linux-5.4.32-1-tlinux4-0001-x86_64-with-glibc2.35
Is CUDA available: True
CUDA runtime version: 12.8.61
CUDA_MODULE_LOADING set to: LAZY
GPU models and configuration: GPU 0: Tesla T4
Nvidia driver version: 550.144.03
cuDNN version: Could not collect
HIP runtime version: N/A
MIOpen runtime version: N/A
Is XNNPACK available: True

CPU:
Architecture:                    x86_64
CPU op-mode(s):                  32-bit, 64-bit
Address sizes:                   46 bits physical, 48 bits virtual
Byte Order:                      Little Endian
CPU(s):                          20
On-line CPU(s) list:             0-19
Vendor ID:                       GenuineIntel
BIOS Vendor ID:                  Smdbmds
Model name:                      Intel(R) Xeon(R) Platinum 8255C CPU @ 2.50GHz
BIOS Model name:                 3.0
CPU family:                      6
Model:                           85
Thread(s) per core:              1
Core(s) per socket:              20
Socket(s):                       1
Stepping:                        5
BogoMIPS:                        4988.28
Flags:                           fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss ht syscall nx pdpe1gb rdtscp lm constant_tsc rep_good nopl cpuid tsc_known_freq pni pclmulqdq ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm abm 3dnowprefetch invpcid_single pti fsgsbase bmi1 hle avx2 smep bmi2 erms invpcid rtm mpx avx512f avx512dq rdseed adx smap clflushopt clwb avx512cd avx512bw avx512vl xsaveopt xsavec xgetbv1 arat avx512_vnni
Hypervisor vendor:               KVM
Virtualization type:             full
L1d cache:                       640 KiB (20 instances)
L1i cache:                       640 KiB (20 instances)
L2 cache:                        80 MiB (20 instances)
L3 cache:                        35.8 MiB (1 instance)
NUMA node(s):                    1
NUMA node0 CPU(s):               0-19
Vulnerability Itlb multihit:     KVM: Vulnerable
Vulnerability L1tf:              Mitigation; PTE Inversion
Vulnerability Mds:               Vulnerable: Clear CPU buffers attempted, no microcode; SMT Host state unknown
Vulnerability Meltdown:          Mitigation; PTI
Vulnerability Spec store bypass: Vulnerable
Vulnerability Spectre v1:        Mitigation; usercopy/swapgs barriers and __user pointer sanitization
Vulnerability Spectre v2:        Vulnerable, STIBP: disabled
Vulnerability Tsx async abort:   Vulnerable: Clear CPU buffers attempted, no microcode; SMT Host state unknown

Versions of relevant libraries:
[pip3] flashinfer-python==0.2.1.post1+cu124torch2.5
[pip3] numpy==1.26.4
[pip3] nvidia-cublas-cu12==12.4.5.8
[pip3] nvidia-cuda-cupti-cu12==12.4.127
[pip3] nvidia-cuda-nvrtc-cu12==12.4.127
[pip3] nvidia-cuda-runtime-cu12==12.4.127
[pip3] nvidia-cudnn-cu12==9.1.0.70
[pip3] nvidia-cufft-cu12==11.2.1.3
[pip3] nvidia-curand-cu12==10.3.5.147
[pip3] nvidia-cusolver-cu12==11.6.1.9
[pip3] nvidia-cusparse-cu12==12.3.1.170
[pip3] nvidia-nccl-cu12==2.21.5
[pip3] nvidia-nvjitlink-cu12==12.4.127
[pip3] nvidia-nvtx-cu12==12.4.127
[pip3] pyzmq==26.3.0
[pip3] torch==2.5.1
[pip3] torchaudio==2.5.1
[pip3] torchvision==0.20.1
[pip3] transformers==4.49.0
[pip3] triton==3.1.0
[conda] Could not collect
ROCM Version: Could not collect
Neuron SDK Version: N/A
vLLM Version: 0.7.4.dev359+gab7501f1
vLLM Build Flags:
CUDA Archs: Not Set; ROCm: Disabled; Neuron: Disabled
GPU Topology:
GPU0    CPU Affinity    NUMA Affinity   GPU NUMA ID
GPU0     X      0-19    0               N/A

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

NVIDIA_VISIBLE_DEVICES=all
NVIDIA_REQUIRE_CUDA=cuda>=12.8 brand=unknown,driver>=470,driver<471 brand=grid,driver>=470,driver<471 brand=tesla,driver>=470,driver<471 brand=nvidia,driver>=470,driver<471 brand=quadro,driver>=470,driver<471 brand=quadrortx,driver>=470,driver<471 brand=nvidiartx,driver>=470,driver<471 brand=vapps,driver>=470,driver<471 brand=vpc,driver>=470,driver<471 brand=vcs,driver>=470,driver<471 brand=vws,driver>=470,driver<471 brand=cloudgaming,driver>=470,driver<471 brand=unknown,driver>=535,driver<536 brand=grid,driver>=535,driver<536 brand=tesla,driver>=535,driver<536 brand=nvidia,driver>=535,driver<536 brand=quadro,driver>=535,driver<536 brand=quadrortx,driver>=535,driver<536 brand=nvidiartx,driver>=535,driver<536 brand=vapps,driver>=535,driver<536 brand=vpc,driver>=535,driver<536 brand=vcs,driver>=535,driver<536 brand=vws,driver>=535,driver<536 brand=cloudgaming,driver>=535,driver<536 brand=unknown,driver>=550,driver<551 brand=grid,driver>=550,driver<551 brand=tesla,driver>=550,driver<551 brand=nvidia,driver>=550,driver<551 brand=quadro,driver>=550,driver<551 brand=quadrortx,driver>=550,driver<551 brand=nvidiartx,driver>=550,driver<551 brand=vapps,driver>=550,driver<551 brand=vpc,driver>=550,driver<551 brand=vcs,driver>=550,driver<551 brand=vws,driver>=550,driver<551 brand=cloudgaming,driver>=550,driver<551 brand=unknown,driver>=560,driver<561 brand=grid,driver>=560,driver<561 brand=tesla,driver>=560,driver<561 brand=nvidia,driver>=560,driver<561 brand=quadro,driver>=560,driver<561 brand=quadrortx,driver>=560,driver<561 brand=nvidiartx,driver>=560,driver<561 brand=vapps,driver>=560,driver<561 brand=vpc,driver>=560,driver<561 brand=vcs,driver>=560,driver<561 brand=vws,driver>=560,driver<561 brand=cloudgaming,driver>=560,driver<561 brand=unknown,driver>=565,driver<566 brand=grid,driver>=565,driver<566 brand=tesla,driver>=565,driver<566 brand=nvidia,driver>=565,driver<566 brand=quadro,driver>=565,driver<566 brand=quadrortx,driver>=565,driver<566 brand=nvidiartx,driver>=565,driver<566 brand=vapps,driver>=565,driver<566 brand=vpc,driver>=565,driver<566 brand=vcs,driver>=565,driver<566 brand=vws,driver>=565,driver<566 brand=cloudgaming,driver>=565,driver<566
NCCL_VERSION=2.25.1-1
NVIDIA_DRIVER_CAPABILITIES=compute,utility
NVIDIA_PRODUCT_NAME=CUDA
VLLM_USAGE_SOURCE=production-docker-image
CUDA_VERSION=12.8.0
LD_LIBRARY_PATH=/opt/venv/lib/python3.12/site-packages/cv2/../../lib64:/usr/local/nvidia/lib:/usr/local/nvidia/lib64
NCCL_CUMEM_ENABLE=0
TORCHINDUCTOR_COMPILE_THREADS=1
CUDA_MODULE_LOADING=LAZY

🐛 Describe the bug

py-spy dump -p 30 
Error: Failed to find python version from target process

/vllm-workspace# ldd /opt/venv/bin/python3
        linux-vdso.so.1 (0x00007fffa436e000)
        /opt/venv/bin/../lib/libpython3.12.so.1.0 => not found
        libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f551ffd1000)
        libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f551ffcc000)
        libutil.so.1 => /lib/x86_64-linux-gnu/libutil.so.1 (0x00007f551ffc7000)
        libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f551fee0000)
        librt.so.1 => /lib/x86_64-linux-gnu/librt.so.1 (0x00007f551fed9000)
        libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f551fcb0000)
        /lib64/ld-linux-x86-64.so.2 (0x00007f551ffe0000)

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[yankay]

We can use RUST_LOG=info py-spy dump -p 1132 to get more info. like

root@eaf75b43b5b2:~# RUST_LOG=info py-spy dump -p 1441 --subprocesses
[2025-03-18T11:42:03.565477748Z INFO  py_spy::config] Command line args: ArgMatches { args: {}, subcommand: Some(SubCommand { id: [hash: B8461C91A07ADDC8], name: "dump", matches: ArgMatches { args: {[hash: CD5160AB4406C427]: MatchedArg { occurs: 1, source: Some(CommandLine), indices: [2], type_id: Some(TypeId(0x5dcf929867a4416bfcc748d023caf6f9)), vals: [[AnyValue { inner: TypeId(0x5dcf929867a4416bfcc748d023caf6f9) }]], raw_vals: [["1441"]], ignore_case: false }, [hash: 721FFA7420DEDCF]: MatchedArg { occurs: 1, source: Some(CommandLine), indices: [3], type_id: Some(TypeId(0x5dcf929867a4416bfcc748d023caf6f9)), vals: [[]], raw_vals: [[]], ignore_case: false }}, subcommand: None } }) }
[2025-03-18T11:42:03.572400470Z INFO  py_spy::python_process_info] Got virtual memory maps from pid 1441:
[2025-03-18T11:42:03.574021155Z INFO  py_spy::python_process_info] Found libpython binary @ /root/.local/share/uv/python/cpython-3.12.9-linux-x86_64-gnu/lib/libpython3.12.so.1.0
[2025-03-18T11:42:03.598018807Z INFO  py_spy::python_process_info] Getting version from python binary BSS
[2025-03-18T11:42:03.601182599Z INFO  py_spy::python_process_info] Failed to get version from BSS section: failed to find version string
[2025-03-18T11:42:03.601214158Z INFO  py_spy::python_process_info] Getting version from libpython BSS
[2025-03-18T11:42:03.601304430Z INFO  py_spy::python_process_info] Failed to get version from libpython BSS section: failed to find version string
[2025-03-18T11:42:03.601353994Z INFO  py_spy::python_process_info] Trying to get version from path: /proc/1441/exe
Error: Failed to find python version from target process

I found the libpython is can be found, but the version cannot be from it.

[maobaolong]

@yankay thanks for your help, the following is my output

RUST_LOG=info py-spy dump -p 4770

[2025-03-18T15:39:39.984381480Z INFO  py_spy::config] Command line args: ArgMatches { args: {}, subcommand: Some(SubCommand { id: [hash: B8461C91A07ADDC8], name: "dump", matches: ArgMatches { args: {[hash: CD5160AB4406C427]: MatchedArg { occurs: 1, source: Some(CommandLine), indices: [2], type_id: Some(TypeId(0x5dcf929867a4416bfcc748d023caf6f9)), vals: [[AnyValue { inner: TypeId(0x5dcf929867a4416bfcc748d023caf6f9) }]], raw_vals: [["4770"]], ignore_case: false }}, subcommand: None } }) }
[2025-03-18T15:39:39.984641874Z INFO  py_spy::python_process_info] Got virtual memory maps from pid 4770:
[2025-03-18T15:39:39.985850767Z INFO  py_spy::python_process_info] Found libpython binary @ /root/.local/share/uv/python/cpython-3.12.9-linux-x86_64-gnu/lib/libpython3.12.so.1.0
[2025-03-18T15:39:40.003840435Z INFO  py_spy::python_process_info] Getting version from python binary BSS
[2025-03-18T15:39:40.006386615Z INFO  py_spy::python_process_info] Failed to get version from BSS section: failed to find version string
[2025-03-18T15:39:40.006406949Z INFO  py_spy::python_process_info] Getting version from libpython BSS
[2025-03-18T15:39:40.006495684Z INFO  py_spy::python_process_info] Failed to get version from libpython BSS section: failed to find version string
[2025-03-18T15:39:40.006517558Z INFO  py_spy::python_process_info] Trying to get version from path: /proc/4770/exe
Error: Failed to find python version from target process

[cchadowitz]

This looks like #15174