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[AMD] fix tbo specv2 seq_lens_cpu NoneType error #24319

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Merged
HaiShaw merged 2 commits into from
May 5, 2026
Merged

[AMD] fix tbo specv2 seq_lens_cpu NoneType error #24319

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[AMD] fix tbo specv2 seq_lens_cpu NoneType error
billishyahao May 3, 2026
5553c47
fix comments
billishyahao May 3, 2026
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6 changes: 6 additions & 0 deletions python/sglang/srt/speculative/eagle_info_v2.py
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Original file line number Diff line number Diff line change
Expand Up @@ -279,6 +279,12 @@ def prepare_for_v2_verify(
batch.mamba_track_mask = None
batch.mamba_track_seqlens = None

# Populate seq_lens_cpu/seq_lens_sum on the verify input so that
# TBO's split_spec_info can slice the custom_mask correctly.
if not batch.forward_mode.is_idle():
self.seq_lens_cpu = batch.seq_lens_cpu
self.seq_lens_sum = batch.seq_lens_sum
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# Get a forward batch
batch.forward_mode = (
ForwardMode.IDLE
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