Bug#616093: Possible Solution

[Ben Hutchings]

On Sun, 2011-03-06 at 17:13 +0100, Martin Künstner wrote:
> Am Sonntag, den 06.03.2011, 15:54 +0000 schrieb Ben Hutchings:
> > On Thu, 2011-03-03 at 16:13 +0100, Martin Künstner wrote:
> > > Hello,
> > > 
> > > after searching for "QFont::fromString: Invalid description 'Sans
> > > Serif,10,5,0,50,0'"
> > > 
> > > I found that i have to install ibus.
> > > 
> > > After installing ibus everything now works for me.
> > 
> > Going back to your original message (which I didn't see before, as this
> > bug was reassigned):
> > 
> > > on the file open dialog libre office get stuck and the whole system gets 
> > > frozen
> > > no user interaction is possible any more
> > > mous is moving but every otner action is no more possible
> > > you cant even change to console via STRG+F1
> > 
> > You need to use the Alt key as well.
> > 
> > > system is not more responding
> > 
> > This really sounds like LibreOffice (or more likely an extension to LO)
> > has grabbed and then not released the keyboard and mouse.  Applications
> > can override normal window focus temporarily ('grab') for purposes like
> > drag-and-drop, but unfortunately this is not automatically released when
> > you release the mouse buttons.  If an application fails to release its
> > grab it can effectively break the entire desktop session in the way you
> > described.  However, the console switching keystrokes should still work.
> > Could you temporarily remove ibus and test that Strg-Alt-F1 works when
> > the system is in this state?
> 
> I meant Strg-Alt-F1
> and it did not respond. 
> 
> The system does not respond at all:
> even Strg-Alt-Backspace to Kill X

Well, that key combination is now disabled by default.

> or Strg-Alt-F1 to F6 did do anything.
> Everything is blocked.

OK, that does sound like something more serious than an unreleased grab.
But I cannot see what difference ibus could make.

> I think the BUG is in KDM.

I don't think so.  kdm gets out of the way once you have logged in.

Ben.

> In this log file i found the log message
> "QFont::fromString: Invalid description 'Sans Serif,10,5,0,50,0'


-- 
Ben Hutchings
Once a job is fouled up, anything done to improve it makes it worse.

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