due to compositing, probably ... Re: KDE 4.3 freezes too often now

[Anne Wilson]

On Monday 17 August 2009 20:38:58 Jogchum Reitsma wrote:
> Anne Wilson schreef:
> > On Monday 17 August 2009 19:26:47 Nikos Chantziaras wrote:
> >>>>> So how do you use that, if, as you say, the keyboard doesn't 
respond?
> >>>>
> >>>> SysRq is hardwired into the kernel.  If the kernel didn't panic, SysRq
> >>>> still works even if X stopped processing keyboard events.  And from
> >>>> the sound of it, the kernel did not panic in this case since the mouse
> >>>> still moves, so the kernel must be running.
> >>>
> >>> Interesting, because (some months back) I have been in the same
> >>> situation and tried the SysRq 'magic keys', just in case, but without
> >>> success.
> >>
> >> It must be enabled in the kernel configuration.  If the file
> >> "/proc/sysrq-trigger" doesn't exist, you don't have it enabled.
> >
> > In that case I don't have it, and, presumably didn't have it in the
> > distro I was using at that time.  How common is it for this to be
> > enabled?
> >
> > Anne
> >
> > ------------------------------------------------------------------------
> >
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>
> Maybe this
>
> http://www.linuxhowtos.org/Tips%20and%20Tricks/sysrq.htm
>
> gives good info?
>
Thanks.  I've known about the 'magic keys' for years, but this is the first 
time I've seen anything about how to enable them.  Once, long ago, when I first 
heard of them, they worked 'out-of-the-box'.  Since then I've never been able 
to use them.

Anne
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