[Bug 401674] Re: Firefox running and not responding

Franck Arnaud 401674 at bugs.launchpad.net
Thu Apr 24 13:14:15 UTC 2014


In my case firefox when firefox is stuck with no visible window but a
zombie process (as happens every so often for unknown reasons) I also
get this message.

Via xlsclient I do find a firefox 10x10 pixels unmapped window that is
not visible anywhere (the Unity dock doesn't find it either). The output
of xwininfo is attached.

The user interaction design is very poor: in this case the dialog should
either:

(a) offer a "kill and retry" button
(b) detect the hung firefox and do a kill and retry silently, counting the retries to avoid an endless retry loop, and only when that procedure has failed show the dialog

there is in this case no reason to force the user to "restart the
system" to emulate the mediocrity of the Windows user experience.


xwininfo: Window id: 0x1800001 "Firefox"

  Absolute upper-left X:  10
  Absolute upper-left Y:  10
  Relative upper-left X:  10
  Relative upper-left Y:  10
  Width: 10
  Height: 10
  Depth: 24
  Visual: 0x20
  Visual Class: TrueColor
  Border width: 0
  Class: InputOutput
  Colormap: 0x22 (installed)
  Bit Gravity State: NorthWestGravity
  Window Gravity State: NorthWestGravity
  Backing Store State: NotUseful
  Save Under State: no
  Map State: IsUnMapped
  Override Redirect State: no
  Corners:  +10+10  -1900+10  -1900-1180  +10-1180
  -geometry 10x10+10+10

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https://bugs.launchpad.net/bugs/401674

Title:
  Firefox running and not responding

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