fix crash in torch2.6 if TP=1 #2885
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error like "ValueError: Expecting a ProcessGroup, but got a <class 'text_generation_server.utils.dist.FakeGroup'>. rank=0" Signed-off-by: Wang, Yi A <[email protected]>
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error like "ValueError: Expecting a ProcessGroup, but got a <class 'text_generation_server.utils.dist.FakeGroup'>. rank=0"
@OlivierDehaene OR @Narsil
│ ╭───────────────────────────────── locals ─────────────────────────────────╮ │
│ │ async_op = False │ │
│ │ device_ids = None │ │
│ │ group = <text_generation_server.utils.dist.FakeGroup object at │ │
│ │ 0x7f20935d8d90> │ │
│ │ opts = <torch.distributed.distributed_c10d.BarrierOptions object │ │
│ │ at 0x7f2093631130> │ │
│ ╰──────────────────────────────────────────────────────────────────────────╯ │
│ │
│ /opt/conda/lib/python3.11/site-packages/torch/distributed/distributed_c10d.p │
│ y:810 in _get_object_coll_device │
│ │
│ 807 │ │ │ # RPC uses Gloo for object collectives │
│ 808 │ │ │ return "cpu" │
│ 809 │ │ else: │
│ ❱ 810 │ │ │ raise ValueError(f"Expecting a ProcessGroup, but got a {t │
│ 811 │ │
│ 812 │ """ │
│ 813 │
group._device_typesis a property pybind that returns the dev ││ │
│ ╭───────────────────────────────── locals ─────────────────────────────────╮ │
│ │ group = <text_generation_server.utils.dist.FakeGroup object at │ │
│ │ 0x7f20935d8d90> │ │
│ ╰──────────────────────────────────────────────────────────────────────────╯ │
╰──────────────────────────────────────────────────────────────────────────────╯
ValueError: Expecting a ProcessGroup, but got a <class
'text_generation_server.utils.dist.FakeGroup'>. rank=0