Christopher Stone wrote:
On Mon, Mar 30, 2009 at 9:49 PM, Tom Lane <tgl@xxxxxxxxxx> wrote:
Ralf Corsepius <rc040203@xxxxxxxxxx> writes:
c-a-bs to me is an "ejection seat button"
=> disabling it is not helpful
It's like an ejection seat button without a label. ;-)
Well, IMO, it's obscured enough, such that educated users find it when
they feel they need it and new-comers not hit it accidentally.
And if they hit it accidentially, it will surprise them only once or
twice, hardly causing any damage and push them through a learning curve,
helping them to understand that X11 is not Windows.
I was just thinking it would be cool if c-a-bs would send you to a
virtual console and open up a text confirmation dialog box. Dunno if
something like that is possible though.
As I previously wrote, to me such proposals are in the same class as:
"Do you really want to eject? Enter root password to eject, confirm
ejection ... ejection will be started in 60 secs ..."
It voids "c-a-bs" as a means of "emergency button". They are meant to
prevent _further_ damage in situations of emergencies and aren't
necessarily guaranteed to "not cause damage".
I mean, when pressing "c-a-bs", I am expecting the Xserver to terminate
immediately and do not expect those "open applications to save their state".
That said, "c-a-bs" to me is one of the last options to choose from when
trying to rescue a system before having to resort to more brutal means:
"c-alt-del", "soft power off", "hard power off" [1].
Ralf
[1] Classical situation: Something in X or below it (Xdriver/kernel) is
hogging CPU/memory to an extend a system doesn't respond to interactive
input anymore. And yes, these kind of situations do still happen.
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