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SubjectAGP support locks X kernel v2.4.9
From
Date
New information:

I tried compiling agp support and the i810 DRI as modules for kernel v2.4.9.
X exits out with:

(II) I810(0): Buffer map : bfb000
(II) I810(0): [drm] added 256 4096 byte DMA buffers
I810 Dma Initialization Failed


When recompiling the v2.4.8 kernel with the same configuration, X
starts fine.

I wonder what the delta between the two is?

- Nick

bmihulka@hulkster.net writes:

> I did experience this. But when you choose AGP as a module it disables
> the drm of the i810. I then added it back as a module and the X server would
> not work. Without the i810 drm module it will work. I did not test AGP in the
> kernel without the drm module, which may work.
>
> On a side note the 2.4.5 kernels acpi implimentation will show the correct
> battery and ac adaptor status. The stock kernels after that will not without
> the new acpi patches. I have also had the problem of a shutdown will lock the
> system and I have to pull the plug and battery to turn off.
>
> Brian
>
> On 18-Aug-2001 Nick Papadonis wrote:
> > This solved the problem. Apparently AGP has to be built as a module
> > in kernels v2.4.8 or X will lock up? Anyone else experience this?
> >
> >> I'm not sure that this is the problem you are having,
> >> but I had a problem with X when I was playing with the
> >> ACPI stuff and recompiling the kernel on my vaio. Try
> >> setting CONFIG_AGP=m (i.e. make AGP support a module,
> >> as opposed to being compiled in-kernel.) if it isn't.
> >> Once I did that, X started up just fine. Good luck.
> >>
> >> Dave
> >
> >
> > Dave Morgan <daves_spam_account@yahoo.com> writes:
> >> >> I tried this and it doesn't disable the console.
> >> The /proc/acpi
> >> >> represents the correct power status. When I tried
> >> to
> >> >> start up X the following error occurs:
> >> >>
> >> >> I810 Dma Initialization Failed
> >> >> XIO: fatal IO error 104 (Connection reset by peer)
> >> >on X server
> >> >":0.0"
> >> >> after 0 requests (0 known processed) with 0
> >> >events remaining.
> >> >>
> >> >> So the work around must break something else?
> >>
> >> >Follup:
> >>
> >> >This isn't because of the ACPI code. It's something
> >> >that happens in
> >> >my 2.4.8 kernel wo ACPI compiled in. This behavior
> >> is >not shown with
> >> >the 2.2.16 kernel.

--
Nick
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