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Steve Renals 2015-10-11 19:43:43 +01:00
parent 374725d02d
commit ae3bf46162
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kernel_issue_fix.md
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@ -13,36 +13,34 @@ If you have experienced these issues you have either:
Follow the below steps **before** you activate the old virtual environment (or deactivate it if it is activated). The fix basically involves rebuilding the virtual environments. But the whole process is now much simpler due to the fact `OpenBLAS` is now a default numerical library on DICE.
1. Comment out (or remove) the `export=$LD_LIBRARY_PATH...` line in your ~/.bashrc file. Then type
```
unset LD_LIBRARY_PATH
```
in the terminal. To make sure this variable is not
set, type `export` and check visually in the printed list of variables
```
unset LD_LIBRARY_PATH
```
in the terminal. To make sure this variable is not set, type `export` and check visually in the printed list of variables
2. Go to `~/mlpractical/repos-3rd/virtualenv` and install the new virtual
environment (`venv2`) by typing:
```
./virtualenv.py --python /usr/bin/python2.7 --no-site-packages $MLP_WDIR/venv2
```
2. Go to `~/mlpractical/repos-3rd/virtualenv` and install the new virtual environment (`venv2`) by typing:
```
./virtualenv.py --python /usr/bin/python2.7 --no-site-packages $MLP_WDIR/venv2
```
3. Activate your new virtual environment by typing:
```
source $MLP_WDIR/venv2/bin/activate
```
and install the usual packages required by MLP using pip:
```
pip install pip --upgrade
pip install numpy
pip install ipython
pip install notebook
pip install matplotlib
```
```
source $MLP_WDIR/venv2/bin/activate
```
and install the usual packages required by MLP using pip:
```
pip install pip --upgrade
pip install numpy
pip install ipython
pip install notebook
pip install matplotlib
```
4. Change directory to `~/mlpractical/repo-mlp` and check that `numpy` is linked to the DICE-standard `OpenBLAS` (and works) by starting ipython notebook:
```
ipython notebook
```
then run the first two interactive examples from `00_Introduction.py.` If they run, then you can simply modify the `activate_mlp` alias in `./bashrc` to point to `venv2` instead of `venv`.
```
ipython notebook
```
then run the first two interactive examples from `00_Introduction.py.` If they run, then you can simply modify the `activate_mlp` alias in `./bashrc` to point to `venv2` instead of `venv`.
5. You can also remove both the old `venv` and the other unrequired directories that contain `numpy` and `OpenBLAS` sources in the `~/mlpractical/repos-3rd` directory.