openlane2
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efabless
Synthesis no longer works via Google Colab
Description
When running the standard template colab, the Synthesis step no longer works.
Expected Behavior
The synthesis step to be completed.
Environment report
I am running the standard set up provided via the google colab template.
Reproduction material
https://colab.research.google.com/github/efabless/openlane2/blob/main/notebook.ipynb
Relevant log output
─────────────────────────────────────────────────── Synthesis ────────────────────────────────────────────────────
[17:20:10] VERBOSE Running 'Yosys.Synthesis' at 'openlane_run/1-yosys-synthesis'… step.py:1122
[17:20:10] VERBOSE Logging subprocess to 'openlane_run/1-yosys-synthesis/yosys-synthesis.log'… step.py:1318
/----------------------------------------------------------------------------\
| yosys -- Yosys Open SYnthesis Suite |
| Copyright (C) 2012 - 2024 Claire Xenia Wolf <[email protected]> |
| Distributed under an ISC-like license, type "license" to see terms |
\----------------------------------------------------------------------------/
Yosys 0.46 (git sha1 e97731b9dda91fa5fa53ed87df7c34163ba59a41, clang++ 17.0.6 -fPIC -O3)
Loaded SDC plugin
Traceback (most recent call last):
File "/content/openlane_ipynb/openlane/scripts/pyosys/synthesize.py", line 36, in <module>
import click
File
"/nix/store/h0n4i85hqpprsqs9j6yydhj5h6vlh0j7-yosys-with-plugins-python3-3.11.9-env/lib/yosys-with-plugins-python3.1
1/site-packages/click/__init__.py", line 7, in <module>
from .core import Argument as Argument
File
"/nix/store/h0n4i85hqpprsqs9j6yydhj5h6vlh0j7-yosys-with-plugins-python3-3.11.9-env/lib/yosys-with-plugins-python3.1
1/site-packages/click/core.py", line 16, in <module>
from . import types
File
"/nix/store/h0n4i85hqpprsqs9j6yydhj5h6vlh0j7-yosys-with-plugins-python3-3.11.9-env/lib/yosys-with-plugins-python3.1
1/site-packages/click/types.py", line 5, in <module>
from datetime import datetime
File "/nix/store/7hnr99nxrd2aw6lghybqdmkckq60j6l9-python3-3.11.9/lib/python3.11/datetime.py", line 12, in <module>
import math as _math
ModuleNotFoundError: No module named 'math'
ERROR: Python interpreter encountered an exception.
[17:20:11] ERROR Subprocess had a non-zero exit. step.py:1364
[17:20:11] ERROR Last 10 line(s): step.py:1369
File
"/nix/store/h0n4i85hqpprsqs9j6yydhj5h6vlh0j7-yosys-with-plugins-python3-3.11.9-env
/lib/yosys-with-plugins-python3.11/site-packages/click/__init__.py", line 7, in
<module>
from .core import Argument as Argument
File
"/nix/store/h0n4i85hqpprsqs9j6yydhj5h6vlh0j7-yosys-with-plugins-python3-3.11.9-env
/lib/yosys-with-plugins-python3.11/site-packages/click/core.py", line 16, in
<module>
from . import types
File
"/nix/store/h0n4i85hqpprsqs9j6yydhj5h6vlh0j7-yosys-with-plugins-python3-3.11.9-env
/lib/yosys-with-plugins-python3.11/site-packages/click/types.py", line 5, in
<module>
from datetime import datetime
File
"/nix/store/7hnr99nxrd2aw6lghybqdmkckq60j6l9-python3-3.11.9/lib/python3.11/datetim
e.py", line 12, in <module>
import math as _math
ModuleNotFoundError: No module named 'math'
ERROR: Python interpreter encountered an exception.
[17:20:11] ERROR Full log file: 'openlane_run/1-yosys-synthesis/yosys-synthesis.log' step.py:1372
---------------------------------------------------------------------------
StepError Traceback (most recent call last)
<ipython-input-8-7b5c2bc7fd80> in <cell line: 7>()
5 state_in=State(),
6 )
----> 7 synthesis.start()
/content/openlane_ipynb/openlane/steps/step.py in start(self, toolbox, step_dir, _no_rule, **kwargs)
1155 ) from None
1156 else:
-> 1157 raise StepError(
1158 f"{self.name}: subprocess {e.args} failed", underlying_error=e
1159 ) from None
StepError: Synthesis: subprocess (1, ['yosys', '-y', '/content/openlane_ipynb/openlane/scripts/pyosys/synthesize.py', '--', '--config-in', '/content/openlane_run/1-yosys-synthesis/config.json', '--extra-in', '/content/openlane_run/1-yosys-synthesis/extra.json', '--output', '/content/openlane_run/1-yosys-synthesis/spm.nl.v']) failed
Argh, victim of the new release. Sorry about that!
You can roll back to working version temporarily as follows:
We've gone ahead and made the Colab use Version 2.1 by default until we figure out what's wrong with 2.2