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AttributeError: '_NestedLoopCheckVisitor' object has no attribute '_inst'

Status: Open.

#907 In state-spaces/mamba;

· Serpientw opened on Apr 8, 2026

Mamba3 backward pass (mamba3_siso_bwd_kernel_dqkv) 38.7x slower on GB200 (SM100) due to ptxas internal compiler error

Status: Open.

#904 In state-spaces/mamba;

· tolleybot opened on Apr 6, 2026

Mamba3 environment configuration

Status: Open.

#895 In state-spaces/mamba;

· qingfengqiran opened on Apr 3, 2026

Can smb give guide how install mamba3 with MIMO works, step by step ?

Status: Open.

#894 In state-spaces/mamba;

· username12395437233 opened on Apr 2, 2026

PyPI wheels broken on aarch64 (DGX Spark / ARM Grace)

Status: Open.

#891 In state-spaces/mamba;

· Sggin1 opened on Mar 31, 2026

Hybrid Gate Selector: 3x speedup over Transformer baseline (T4 GPU benchmark)

Status: Open.

#889 In state-spaces/mamba;

· LuisAlbertoMK opened on Mar 28, 2026

Mamba2 step() works silently but when D_has_hdim=True and selective_state_update=None but is

Status: Open.

#888 In state-spaces/mamba;

· PuR3Luck opened on Mar 28, 2026

Mamba2.step() handles D incorrectly when D_has_dim=True

Status: Open.

#887 In state-spaces/mamba;

· GiftedNovaHD opened on Mar 28, 2026

Mamba3 backward pass crashes with misaligned address when nheads % 4 != 0 and seqlen % 4 != 0

Status: Open.

#886 In state-spaces/mamba;

· Dolfik1 opened on Mar 28, 2026

[bug] double rmsnorm on B/C in MambaInnerFn.backward at checkpoint_lvl=1

Status: Open.

#885 In state-spaces/mamba;

· darxradi3nt opened on Mar 27, 2026

[bug] int32 signed overflow in buffer x

Status: Open.

#884 In state-spaces/mamba;

· darxradi3nt opened on Mar 26, 2026

A little advice on the Mamba3 environment

Status: Open.

#879 In state-spaces/mamba;

· 405654378-dev opened on Mar 25, 2026