Changes for page Troubleshooting
Last modified by kindler on 2025/05/14 16:54
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... ... @@ -36,7 +36,7 @@ 36 36 Via choosing a different lab execution site it is be possible to choose a specific site, if there are specific needs for the created Jupyter virtual machine for a given task (e.g. a large memory requirement). Currently all the examples do not need any site specific features, so you can select in principle any site. The "safe choice" is to use CSCS as the primary execution site. 37 37 38 38 39 -=== 39 +=== === 40 40 41 41 42 42 ... ... @@ -68,12 +68,16 @@ 68 68 69 69 The BrainScaleS-2 interactive examples need the BrainScaleS client software. Currently (December 2021) this software is not available from the started-by-default "Python 3" kernel in the Jupyter lab, but requires the "EBRAINS_release_...." kernel. Please choose the kernel by clicking the kernel name in the lower left hand corner of the Lab window ("Python 3" in the screenshot) 70 70 71 -[[image:1639576461861-804.png]] 71 +[[image:1639576461861-804.png||height="42" width="456"]] 72 72 73 73 Then select the "EBRAINS_release_..." kernel from the dialog box and run the example again. 74 74 75 -[[image:1639576524483-695.png]] 75 +[[image:1639576524483-695.png||height="259" width="420"]] 76 76 77 +It may be necessary to restart the newly chosen kernel via "Kernel > restart Kernel" from the menu. 78 + 79 +[[image:1639576718553-361.png||height="125" width="518"]] 80 + 77 77 == BrainScaleS-1 specific == 78 78 79 79 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. ... ... @@ -91,4 +91,4 @@ 91 91 92 92 There are also some additional Python3 related changes in the brainscales_system_chain_test.py example. Please find a [[working example script>>https://lab.ch.ebrains.eu/user-redirect/lab/tree/shared/NMC%20Collab%20copy%20template/BrainScaleS/BrainScaleS_01_Chain.ipynb]] in our [[copy-template Drive>>https://wiki.ebrains.eu/bin/view/Collabs/nmc-collab-copy-template/Drive]] (for copying into users collabs). 93 93 94 -==== 98 +==== ====
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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