> On Sat, 28 Mar 1998, Alan Cox wrote:
>
> > > I get 5 or 6 ughs everytime somone runs X onmy system so I'd say your
> > > correct, the ughs are allways in do_page_fault. The ughs are normal on
> > > any system I've seen with < 16 megs ram. The every once and a while
> >
> > The "Ugh" is logging the fact someone attempted to handle a page fault while
> > having interrupts disabled. This is an extremely bad thing. There are two causes
> >
> > 1. Incorrect kernel code (I think most of these are now dead)
> > 2. Some user process as root which has the misguided idea it can disable
> > interrupts after using the iopl() syscall. Well it can't. Not unless
> > its prepaged everything it needs and mlock()'d those pages
> >
> > so its either a kernel or an X bug.
>
> Well the ughs seem to happen every thime somone changes consoles. I'd bet
> on an X bug.
please don't bet on it but show/prove it! I've never seen such a ughs myself
(and beleave me I did losts of testing, but only S3 so maybe...).
and I can't remember ever having seen any such bug report in XFree86
support list.
Harald
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