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    Ltx 2.5 MSR ( Multiple Subject Reference) Workflow - v1.0
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    Hey guys I have made this workflow and if you want to learn more then watch my YouTube video, all the model links are these as well

    Description

    FAQ

    Comments (1)

    ilkeraktunaOct 4, 2026
    CivitAI

    I am trying to run this workflow on a strix halo with 128GB unified memory. It seems to be stuck at this point each time I start it. What is the problem ?

    [INFO] got prompt

    [INFO] VAE load device: cuda:0, offload device: cpu, dtype: torch.float32

    [INFO] VAE load device: cuda:0, offload device: cpu, dtype: torch.bfloat16

    [INFO] Requested to load LTXAVTEModel_

    [INFO] loaded completely; 24999.98 MB loaded, full load: True

    [INFO] CLIP/text encoder model load device: cuda:0, offload device: cpu, current: cuda:0, dtype: torch.float16

    [INFO] model weight dtype torch.bfloat16, manual cast: None

    [INFO] model_type FLUX

    [INFO] [LTX MSR] Loaded LTX-2.5-Licon-MSR-V1.safetensors with learned reference slot embedding (5 tensors)

    [INFO] [LTX MSR] Parameters: slot_output_dim=128, reference_downscale_factor=1, reference_temporal_scale_factor=1 (compatibility default), token_order=prepend, time_offsets=pic1_based_negative_time

    [INFO] [PromptRelay] Global: tokens [0:74] (74 tokens)

    [INFO] [PromptRelay] Segment 0: tokens [74:148] (74 tokens)

    [INFO] [PromptRelay] Latent: 38 frames, 880 tokens/frame, segments: [38]

    [WARNING] [LTX MSR] Invalid tile_overlap=0; using default tile_overlap=64

    [INFO] [LTX MSR] Guide start: mode=MSR, references=3, reference_frames=33, downscale=1, temporal_scale=1, target_latent=(1, 128, 38, 22, 40)

    [INFO] Requested to load CausalDiffusionVAE

    [INFO] loaded completely; 1403.92 MB loaded, full load: True

    [WARNING] [LTX MSR][VERIFY] slot_embedding=APPLIED label=pic1 slot_id=1 operation=guide_latent_plus_broadcast_embedding embedding_dim=128 embedding_norm=0.783002 embedding_preview=[0.015683, 0.008063, -0.04794, 0.01036, 0.087675, -0.021729, 0.013151, 0.000982]

    [INFO] [LTX MSR] pic1: slot_embedding=applied, slot_id=1, embedding_dim=128, embedding_norm=0.783002, time_offset=-3, guide_latent=(1, 128, 5, 22, 40)

    [WARNING] [LTX MSR][VERIFY] negative_time_offset=APPLIED label=pic1 slot_id=1 operation=append_keyframe frame_offset=-3 temporal_scale=1 compatibility_default=APPLIED temporal_position=negative_3 append_keyframe=SUCCESS

    [WARNING] [LTX MSR][VERIFY] slot_embedding=APPLIED label=pic2 slot_id=2 operation=guide_latent_plus_broadcast_embedding embedding_dim=128 embedding_norm=0.779039 embedding_preview=[-0.019727, -0.021103, -0.058107, 0.001563, -0.007952, 0.002483, 0.030616, 0.010503]

    [INFO] [LTX MSR] pic2: slot_embedding=applied, slot_id=2, embedding_dim=128, embedding_norm=0.779039, time_offset=-2, guide_latent=(1, 128, 5, 22, 40)

    [WARNING] [LTX MSR][VERIFY] negative_time_offset=APPLIED label=pic2 slot_id=2 operation=append_keyframe frame_offset=-2 temporal_scale=1 compatibility_default=APPLIED temporal_position=negative_2 append_keyframe=SUCCESS

    [WARNING] [LTX MSR][VERIFY] slot_embedding=APPLIED label=pic3 slot_id=3 operation=guide_latent_plus_broadcast_embedding embedding_dim=128 embedding_norm=0.965960 embedding_preview=[-0.037968, -0.035614, -0.079963, -0.041918, -0.044712, 0.011257, 0.051473, 0.001663]

    [INFO] [LTX MSR] pic3: slot_embedding=applied, slot_id=3, embedding_dim=128, embedding_norm=0.965960, time_offset=-1, guide_latent=(1, 128, 5, 22, 40)

    [WARNING] [LTX MSR][VERIFY] negative_time_offset=APPLIED label=pic3 slot_id=3 operation=append_keyframe frame_offset=-1 temporal_scale=1 compatibility_default=APPLIED temporal_position=negative_1 append_keyframe=SUCCESS

    [INFO] [LTX MSR] Guide complete: added=3, order=pic1..pic3, frames_each=33, mode=MSR, output_latent=(1, 128, 53, 22, 40)

    [INFO] Requested to load LTXAV

    ComfyWorkflows
    LTXV 2.5

    Details

    Downloads
    381
    Platform
    CivitAI
    Platform Status
    Available
    Created
    8/24/2026
    Updated
    10/26/2026
    Deleted
    -

    Files

    ltx25MSRMultipleSubject_v10.json

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