does not connect on high CPU usage

[onpars]

It stays at "To begin, connect and unlock your Ledger Wallet".

This was reported by other users.

https://www.reddit.com/r/ledgerwallet/comments/62ecq6/ledger_bitcoin_wallet_does_not_detect_my_ledger/

But they suspected different causes. They thought it's fault of Parity / Geth. And in some sense that is true. But that is too specific. More generally said, this is happening when CPU usage is near 100%. And parity / geth are causing very high CPU usage so are just another trigger of this bug.

This issue does not happen with ledger wallet ethereum.
This issue does not happen with ledger manager.

So something ledger wallet bitcoin must do different for this issue to happen.