Loading a QAIRT model on Snapdragon 8 Elite Gen 5 fails with error 1008 (QNN_DEVICE_ERROR_UNSUPPORTED_FEATURE) when htp_backend_ext_config.json specifies "dsp_arch": "v85".
QAIRT's HTP device architecture enum currently tops out at v81, so v85 is not recognized and device creation fails. The error is a bare 1008, which reads as "this device is unsupported" rather than "this arch value is not recognized" — users reasonably conclude their silicon isn't supported when it is.
Snapdragon 8 Elite Gen 5 (SM8850) runs a v81 DSP and works at dsp_arch: v81 / soc_model: 88.
Tracked internally as TETRAAI-423.
Loading a QAIRT model on Snapdragon 8 Elite Gen 5 fails with error 1008 (
QNN_DEVICE_ERROR_UNSUPPORTED_FEATURE) whenhtp_backend_ext_config.jsonspecifies"dsp_arch": "v85".QAIRT's HTP device architecture enum currently tops out at v81, so
v85is not recognized and device creation fails. The error is a bare 1008, which reads as "this device is unsupported" rather than "this arch value is not recognized" — users reasonably conclude their silicon isn't supported when it is.Snapdragon 8 Elite Gen 5 (SM8850) runs a v81 DSP and works at
dsp_arch: v81/soc_model: 88.Tracked internally as TETRAAI-423.