corpunum/unumS22linux

NPU: 1-D kernels wider than 15 silently miscompile (K=17 wrong, K=32 fails), which blocks ASR on the NPU 13 days ago

help wanted area:npu

1

A Galaxy S22 that boots its own Linux — no Android underneath. Rust touch shell (9 ms taps), speaker+mic via Samsung's DSP, 5G, NPU (stock + own models), camera ISP, deep suspend. Built and reviewed by AI agents.

Python

#ai-agents#exynos#linux#mobile-linux#npu#reverse-engineering#rust#samsung-galaxy-s22

Agent: a stuck local-model turn can burn the CPU for ~45 min (900 s first-token cap, with retries) 13 days ago

help wanted area:power area:agent

corpunum/unumS22linux

1

A Galaxy S22 that boots its own Linux — no Android underneath. Rust touch shell (9 ms taps), speaker+mic via Samsung's DSP, 5G, NPU (stock + own models), camera ISP, deep suspend. Built and reviewed by AI agents.

Python

#ai-agents#exynos#linux#mobile-linux#npu#reverse-engineering#rust#samsung-galaxy-s22

Power: on mobile data only, locked drain is ~3.9 %/h vs 1.1 %/h on Wi-Fi (sleeps end after ~3 s) 13 days ago

help wanted area:power area:network

corpunum/unumS22linux

1

A Galaxy S22 that boots its own Linux — no Android underneath. Rust touch shell (9 ms taps), speaker+mic via Samsung's DSP, 5G, NPU (stock + own models), camera ISP, deep suspend. Built and reviewed by AI agents.

Python

#ai-agents#exynos#linux#mobile-linux#npu#reverse-engineering#rust#samsung-galaxy-s22

Sensors: finish calibration, auto-rotation and persistent CHUB startup 13 days ago

help wanted area:sensors

corpunum/unumS22linux

1

A Galaxy S22 that boots its own Linux — no Android underneath. Rust touch shell (9 ms taps), speaker+mic via Samsung's DSP, 5G, NPU (stock + own models), camera ISP, deep suspend. Built and reviewed by AI agents.

Python

#ai-agents#exynos#linux#mobile-linux#npu#reverse-engineering#rust#samsung-galaxy-s22

GPU: llama.cpp on Samsung's Vulkan driver (Xclipse 920) prefills slower than the CPU and is thermally capped 13 days ago

help wanted area:gpu

corpunum/unumS22linux

1

A Galaxy S22 that boots its own Linux — no Android underneath. Rust touch shell (9 ms taps), speaker+mic via Samsung's DSP, 5G, NPU (stock + own models), camera ISP, deep suspend. Built and reviewed by AI agents.

Python

#ai-agents#exynos#linux#mobile-linux#npu#reverse-engineering#rust#samsung-galaxy-s22

Kernel: mmap of a calliope PCM leaks substream->mmap_count (abox_vdma_mmap uses dma_buf_mmap), so the PCM returns EBADFD until reboot 13 days ago

help wanted area:audio area:boot

corpunum/unumS22linux

1

A Galaxy S22 that boots its own Linux — no Android underneath. Rust touch shell (9 ms taps), speaker+mic via Samsung's DSP, 5G, NPU (stock + own models), camera ISP, deep suspend. Built and reviewed by AI agents.

Python

#ai-agents#exynos#linux#mobile-linux#npu#reverse-engineering#rust#samsung-galaxy-s22

Audio: earpiece and top speaker over the DSP graph path 13 days ago

help wanted area:audio

corpunum/unumS22linux

1

A Galaxy S22 that boots its own Linux — no Android underneath. Rust touch shell (9 ms taps), speaker+mic via Samsung's DSP, 5G, NPU (stock + own models), camera ISP, deep suspend. Built and reviewed by AI agents.

Python

#ai-agents#exynos#linux#mobile-linux#npu#reverse-engineering#rust#samsung-galaxy-s22

Camera: upright orientation for the rear and front cameras 13 days ago

help wanted good first issue area:camera

corpunum/unumS22linux

1

A Galaxy S22 that boots its own Linux — no Android underneath. Rust touch shell (9 ms taps), speaker+mic via Samsung's DSP, 5G, NPU (stock + own models), camera ISP, deep suspend. Built and reviewed by AI agents.

Python

#ai-agents#exynos#linux#mobile-linux#npu#reverse-engineering#rust#samsung-galaxy-s22

Camera: rear camera (GN3) shows a blue cast in the shadows 13 days ago

help wanted area:camera

corpunum/unumS22linux

1

A Galaxy S22 that boots its own Linux — no Android underneath. Rust touch shell (9 ms taps), speaker+mic via Samsung's DSP, 5G, NPU (stock + own models), camera ISP, deep suspend. Built and reviewed by AI agents.

Python

#ai-agents#exynos#linux#mobile-linux#npu#reverse-engineering#rust#samsung-galaxy-s22

Camera: colour accuracy, i.e. which illuminant each stock colour matrix belongs to, plus the stock lens-shading tables 13 days ago

help wanted area:camera

corpunum/unumS22linux

1

A Galaxy S22 that boots its own Linux — no Android underneath. Rust touch shell (9 ms taps), speaker+mic via Samsung's DSP, 5G, NPU (stock + own models), camera ISP, deep suspend. Built and reviewed by AI agents.

Python

#ai-agents#exynos#linux#mobile-linux#npu#reverse-engineering#rust#samsung-galaxy-s22

Bluetooth: pairing with BlueZ, then A2DP / HFP audio on the QCA6490 13 days ago

help wanted area:audio area:bt

corpunum/unumS22linux

1

A Galaxy S22 that boots its own Linux — no Android underneath. Rust touch shell (9 ms taps), speaker+mic via Samsung's DSP, 5G, NPU (stock + own models), camera ISP, deep suspend. Built and reviewed by AI agents.

Python

#ai-agents#exynos#linux#mobile-linux#npu#reverse-engineering#rust#samsung-galaxy-s22

GNSS: first position fix, NMEA position output and a Linux-facing location service 13 days ago

help wanted area:gps

corpunum/unumS22linux

1

A Galaxy S22 that boots its own Linux — no Android underneath. Rust touch shell (9 ms taps), speaker+mic via Samsung's DSP, 5G, NPU (stock + own models), camera ISP, deep suspend. Built and reviewed by AI agents.

Python

#ai-agents#exynos#linux#mobile-linux#npu#reverse-engineering#rust#samsung-galaxy-s22

NPU: the NNAPI support library's own execute path segfaults in the output copy-back 13 days ago

help wanted area:npu

corpunum/unumS22linux

1

A Galaxy S22 that boots its own Linux — no Android underneath. Rust touch shell (9 ms taps), speaker+mic via Samsung's DSP, 5G, NPU (stock + own models), camera ISP, deep suspend. Built and reviewed by AI agents.

Python

#ai-agents#exynos#linux#mobile-linux#npu#reverse-engineering#rust#samsung-galaxy-s22

Calls: carrier voice calls with two-way audio (IMS/VoLTE and the call audio path) 13 days ago

help wanted area:audio area:telephony

corpunum/unumS22linux

1

A Galaxy S22 that boots its own Linux — no Android underneath. Rust touch shell (9 ms taps), speaker+mic via Samsung's DSP, 5G, NPU (stock + own models), camera ISP, deep suspend. Built and reviewed by AI agents.

Python

#ai-agents#exynos#linux#mobile-linux#npu#reverse-engineering#rust#samsung-galaxy-s22

Open Issues Need Help