unresponsive process window triggers too often

[Olivier Fourdan]

Hi

Yes, there is, xfwm4 now checks the client is alive when it receives focus.

But if the client triggers the non-responsive dialog that's because it
claims to support _NET_WM_PING but does not reply to the _NET_WM_PING
message in timely manner, which would be a bug in the client.

Cheers
Olivier




On Wed, 27 May 2020 at 11:34, Olaf Hering <olaf at aepfle.de> wrote:

> Since this week I sometimes get that popup "Window XYZ is not responding,
> should it be terminated? <yes>/<no>" (or something like that).
>
> I wonder if a change done in the the past two weeks from the XFCE
> git#master components can cause this?
> So far I have never seen such popups, unless the offending process was
> really hanging.
>
> One place where this happens is the passphrase window when sending a
> message with claws. If I type it correctly and wait long, nothing happens.
> But if I mistype the passphrase, another window appears to retype the
> passphrase. While typing the passphrase the "unresponding window" popup
> appears, but actually between the email message window and the passphrase
> window (not on the top over all windows). The only way around it is to
> cancel the passphrase and send the message again, which will ask again for
> the passphrase.
>
> There is nothing relevant in claws.git#master since December 2019 AFAICS,
> I suspect the culprit is not necessary claws itself.
>
> Any idea what component monitors processes alive state?
>
> Olaf
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