I can confirm that `viewer.show()` is blocking on PySide, though it's quite stable for me on qt. On Saturday, June 29, 2013 5:07:49 PM UTC-5, Tony S Yu wrote:

On Sat, Jun 29, 2013 at 5:03 PM, Emmanuelle Gouillart < emmanuelle...@nsup.org <javascript:>> wrote:

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On Sat, Jun 29, 2013 at 02:58:22PM -0700, Josh Warner wrote:

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I got it to segfault once using the tk backend for pylab, but it wasn't robustly repeatable (randomly happened once out of a lot of focus losses/ regains, and never on close).

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It looked similar to routine segfaults I get for the tk backend, which I've never been able to track down. That's why I usually avoid the tk backend like the plage...

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Is this reproducible on any other backends?

Yes, tk, wx, gtk, I get a segfault with all of them (using qt raises an error).

Emmanuelle

Are you on master? Specifically, a version later than yesterday morning? The viewer-linking PR that was merged yesterday had a number of fixes for PySide. I don't see any issue on PyQt at the moment.

-Tony