Changes for page Troubleshooting
Last modified by kindler on 2025/05/14 16:54
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... ... @@ -46,7 +46,7 @@ 46 46 47 47 The [[BrainScaleS external user chat>>https://chat.bioai.eu/external-users/channels/town-square]] has service announcements (e.g. when a system is down due to maintenance) and is also a good place to ask general questions. 48 48 49 -=== BrainScaleS-2 inhibitory synapse weights (October 2021)===49 +=== BrainScaleS-2 inhibitory synapse weights === 50 50 51 51 21 October 2021: the pyNN version for BrainScaleS has been updated. Since then, inhibitory synapse weights need to negative numbers, otherwise the error message: 52 52 ... ... @@ -55,7 +55,7 @@ 55 55 will be created (visibie in the .out file created by the job. In the notebook interface the error message can be, that the file needed for plotting is missing). 56 56 57 57 58 -=== BrainScaleS-2: "Job error" in the Collaboratory (June 2021)===58 +=== BrainScaleS-2: "Job error" in the Collaboratory, though it worked until 21 June 2021 === 59 59 60 60 On 21 June 2021 we changed the platform selection in the nmpi command client.submit_job(...,platform=nmpi.BRAINSCALES,...). From then on, please specify nmpi.BRAINSCALES**2** as the platform to run networks on the BrainScaleS-2 architecture (i.e. on "wafer">60). 61 61
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- Temporary problems
- Jupyter notebook environment ("Lab") related
- Error message "RuntimeError: EBRAINS kernel mismatch. Expected: EBRAINS-24.04 Actual: EBRAINS-25.02. Please select the appropriate kernel."
- Error message "Error in Authenticator.pre_spawn_start: ... 401: Unauthorized"
- No example notebooks in the Jupyter notebook environment ("Lab")
- Timeout when starting the Jupyter notebook environment ("Lab")
- Lab error message "Cannot open - Could not find path..."
- Error message: "Could not identify EBRAINS kernel "
- Import error for hbp_service_client
- BrainScaleS-2 specific
- BrainScaleS-1 specific
- Spikey