Frequent Safari/Webkit crashes

[fonnesbeck]

Current builds (last 1-2 weeks) of IPython from master are crashing Safari and WebKit nightlies on OS X pretty regularly. Here is the most recent crash report. Tends to happen when a cell is being actively edited.

[minrk]

That can't be anything but a Safari / WebKit bug, can it?

[fonnesbeck]

I'm not sure. Safari has not been crashing with great regularity other than when editing Notebooks, so I thought it maybe IPython-related.

[minrk]

Most likely it's the CodeMirror 3 update. If you can find a reliable reproduction, that would be helpful. I haven't been able to see it. I assume latest Safari and OS X?

[minrk]

Found it - it's drag/drop and apparently a fairly longstanding bug (codemirror/codemirror5#332). CM 3 has an attempted workaround, but it doesn't seem to work, so it just restored the bug.

[fonnesbeck]

Its OS X 10.8.3 and both Safari 6 and the current WebKit nightly builds.

[minrk]

until #3378 is merged, you can apply the same workaround in your custom.js:

if (IPython.utils.browser[0] == "Safari") {
    IPython.Cell.options_default.cm_config.dragDrop = false;
}