On Thu, 10 Jan 2002, David Balazic wrote:
> Dr Andrew C Aitchison wrote:
> >
> > On Thu, 10 Jan 2002, David Balazic wrote:
> >
> > > the console ( keyboard+mouse+screen ) of a linux system can be locked up
> > > by a non-root user with the "help" of an xfree86 server.
> >
> > > X 2>&1 | less
> > >
> > > A reboot "fixes" it. We want to reach windows level quality on desktop
> > > after all, don't we ?
> >
> > A less drastic fix is for the user (no root privilege required)
> > to kill -9 the X process.
>
> Hard to do when the keyboard is locked. And there is no other terminal
> in the house.
Or enable Sysrq magic support in the kernel.. :)) As for the proper fix
this requires framebuffer support in the kernel so it know how to
reinitialize hardware directly and support for "System attention key".
Vladimir Dergachev
>
>
> > I don't know enough about consoles and other "terminals" to comment
> > on a proper fix.
> >
> > DEM:
> > > There is nothing the kernel can do about what X is up to. The suid
> > > wrapper for X can check if stdout/stderr is a pipe and refuse to run
> > > if it is.
> >
> > Note that XFree86 v4 does not use a wrapper.
> >
> > --
> > Dr. Andrew C. Aitchison Computer Officer, DPMMS, Cambridge
> > [EMAIL PROTECTED] http://www.dpmms.cam.ac.uk/~werdna
>
>
> --
> David Balazic
> --------------
> "Be excellent to each other." - Bill S. Preston, Esq., & "Ted" Theodore Logan
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