Re: another i810 crash when switching bewteen X and text console

Marc Aurele La France <[email protected]> Tue, 25 Sep 2007 10:21:58 -0600 (Mountain Daylight Time)
Newsgroups gmane.comp.xfree86.devel
Message-ID <[email protected]>
On Wed, 12 Sep 2007, [email protected] wrote:

> I've noticed this with the Intel 865G chipset (i810 driver) on XFree86
> 4.7.0
> (Linux, 2.4.35 kernel).

> I've got two different machines with this chipset. In both cases, the BIOS
> is
> set-up for using 8MB of VRAM (this memory is taken from the RAM).

> 1) industrial PC : 8085:2572 with subvendor/device 8086:4246 (Intel 865
> GBF motherboard)

> Here there is no crash.

> 2) Dell GX270 : 8086:2572 with subvendor/device 1028:0151 (Dell
> motherboard)

> Here X crashes when switching to text console and back to X.
> It seems that the Dell BIOS mismanages something ...

> The solution I found to avoid this crash is to use 865patch (available at
> http://www.chzsoft.com.ar/855patch.html) and set the VRAM to 32000
> (for example) before starting X.

> I think this could be mentionned in the release-notes and/or i810 man
> page.

> IMHO the same information could be given for the Intel 845G (eg apply
> 845patch).

The driver already does this for some chips.  Can you produce a patch to 
the driver that extends this to other chip revisions?  I have little 
experience with this driver and no hardware that I could use to test such 
a change.

Thanks.

Marc.

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