Re: rtlinux and X, possible kernel problems ?

Gerhard Mack (gmack@imag.net)
Thu, 12 Feb 1998 09:36:22 -0800 (PST)


On Thu, 12 Feb 1998, Alan Cox wrote:

My machine gets a lot of UGH at ... it's allways in do_page_fault,
could this be a related problem?

> > Daniele Lugli first spotted a problem with interupt handling in RT tasks under X
> > and did some digging. The X server is apparently doing global cli/sti's.
>
> It does. It occasionally has too.
>
> > The reason I've forwarded this to the kernel list is that my personal experience
> > has been that Linux has always been much more stable not running X.
> > I suspect that this may be causing problems for things other than RT-Linux
>
> The way its done is ok normally. I guess you need to make X over Linux/RT call the
> rtlinux kernel to handle it. Note X _has_ to do those global cli/sti's to meet hardware
> needs

Gerhard Mack<gmack@imag.net>

--

As a computer I find your faith in technology amusing.

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