Announcing Fedora 11 Alpha (blink)
John Summerfield
debian at herakles.homelinux.org
Tue Feb 10 12:46:30 UTC 2009
A
>
> c-a-bs ought to be handled by the session as an alias for logout. Or
> possibly task manager.
>
No it ought not. c-a-bs is supposed to pull the rug from underneath
failed applications. It's an emergency measure, supposedly effective
when Windows and Apple users would be hitting the power button.
> I appreciate the hyperbole on the rest of this thread, and I really
> don't have a strong opinion on the default setting (well, I do, but I'm
> willing to bend to popular opinion), but I do wish to make the following
> argument:
>
> Window systems without a panic button, by and large, do not have
> applications that take down the whole window system, because users are
> unwilling to use such applications. Therefore, app developers are
> incented to fix their applications, and window system and driver
> developers are incented to fix the system. They might have apps that
> take down the _kernel_, but a window system panic button wouldn't save
> you there anyway.
The most recent near-like problem I had was on Windows Server. The
application I was using became unresponsive (I was using it via RDP, a
dubious proposition at the best of times), and the next think I knew the
system had rebooted.
> Window systems with a panic button, however, do not have this robustness
> property. They can get away with having server functionality that does
> not clean up properly, because there's always a janitor of last resort.
> Likewise applications need not be overly concerned about fixing their
> crash paths, because, why bother. So they're never good, merely
> adequate.
>
> If someone can come up with a scenario where you really need zap, and
> not just vt switch and/or logout dialog, I'm eager to hear it. If you
> can come up with one that isn't "some broken application took a server
> grab and won't give it back", I'll even be interested.
I have a Tosh laptop that locks up when the screensaver kicks in. It's
running F9 (and probably not going to get a newer release, each is
bigger and slower then the previous).
My system at work, CentOS4, locked up today. In this case it's on a KVM
along with another Linux system, so I used telinit to change runlevels.
Getting RHEL5-clone up on my HP DC7700 caused much grief and killing of
X. In that case, the eventual solution was RHEL5.2-clone.
--
Cheers
John
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