The problem is due to SIGPIPE signal: https://github.com/microsoft/vscode/blob/14459d6db1a088fbf1c631350cb27ade59fe1e39/src/bootstrap.js#L31

If running code-server via systemd, there’s already IgnoreSIGPIPE=yes set by default for systemd service. All we have to do is set the environment variable VSCODE_HANDLES_SIGPIPE

Since I am running code-server as a user service, I overrided the service file like this:

systemctl --user edit code-server

Add the following lines:

[Service]
Environment=VSCODE_HANDLES_SIGPIPE=true

This is just a workaround. The correct solution would be for code-server to properly ignore the SIGPIPE signal and set the VSCODE_HANDLES_SIGPIPE environment variable to true.

Nice reproduction steps! It reproduces for me consistently. Thanks for reporting upstream.

I just gave it a shot as well and could not reproduce either 😢 (Codespaces nor code-server)

Wait how would binding ctrl+w in the browser be affected by sigpipe behavior?

If this reproduces in Codespaces we could raise it upstream. Maybe it only happens on tabs with a webview? Web views use iframes so maybe there is something finicky there with how keys are bound.

~@pavelxdd thanks, let me try in a bit~

Add the following lines:

[Service]
Environment=VSCODE_HANDLES_SIGPIPE=true

This made no difference for me

Another easier way to produce the problem.

1. Open a new file
2. Open any extension homepage
3. Put the extension homepage on the left and new file on the right (See screenshot)
4. Switch to extension homepage and press ctrl+w, the whole code-server will close