I initially got this error 4-5 hours ago. Hoping it was something temporary I stopped using the website, but four hours later it's still there.
This is the log:
Traceback (most recent call last): File "/usr/local/lib/python3.4/dist-packages/IPython/html/base/handlers.py", line 441, in wrapper result = yield gen.maybe_future(method(self, args, kwargs)) File "/usr/local/lib/python3.4/dist-packages/IPython/html/services/sessions/handlers.py", line 53, in post model = sm.create_session(path=path, kernel_name=kernel_name) File "/usr/local/lib/python3.4/dist-packages/IPython/html/services/sessions/sessionmanager.py", line 66, in create_session kernel_name=kernel_name) File "/usr/local/lib/python3.4/dist-packages/IPython/html/services/kernels/kernelmanager.py", line 84, in start_kernel kernel_name=kernel_name, kwargs) File "/usr/local/lib/python3.4/dist-packages/IPython/kernel/multikernelmanager.py", line 112, in start_kernel km.start_kernel(kwargs) File "/usr/local/lib/python3.4/dist-packages/IPython/kernel/manager.py", line 240, in start_kernel kw) File "/usr/local/lib/python3.4/dist-packages/IPython/kernel/manager.py", line 189, in _launch_kernel return launch_kernel(kernel_cmd, kw) File "/usr/local/lib/python3.4/dist-packages/IPython/kernel/launcher.py", line 213, in launch_kernel proc = Popen(cmd, *kwargs) File "/usr/lib/python3.4/subprocess.py", line 859, in init restore_signals, start_new_session) File "/usr/lib/python3.4/subprocess.py", line 1395, in _execute_child restore_signals, start_new_session, preexec_fn) BlockingIOError: [Errno 11] Resource temporarily unavailable
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