From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Linux Fbdev development list <linux-fbdev-devel@lists.sourceforge.net>
Cc: Xserver development <xorg@freedesktop.org>
Subject: Re: [Linux-fbdev-devel] Re: Who is stomping PCI config space?
Date: Sat, 05 Mar 2005 09:16:34 +1100 [thread overview]
Message-ID: <1109974594.5611.287.camel@gaston> (raw)
In-Reply-To: <16936.17851.290824.371736@xf14.local>
On Fri, 2005-03-04 at 12:25 +0100, Egbert Eich wrote:
> Benjamin Herrenschmidt writes:
> >
> > I had a report of something similar with X and a mach64 ... I haven't
> > yet investigated, but basically, X is using "fbdev" (so no specific
> > driver) and seem to be disabling memory access to the card, thus blowing
> > up the kernel fbdev.
> >
>
> Benjamin,
>
> I faintly remember adding code to the Xserver that it wouldn't do this
> when you only used fbdev drivers.
> It may do this for setup (ie. probing) as it has no idea about the drivers
> it is going to encounter. With the new interface I've added we may actually
> change this. I'm already doing this to determine if I need to enable PIO.
>
> I need to look at this code again, though.
Ok. In this case, the fbdev only uses mmio. Anyway, I'll investigate as
soon as I can install the repro case (FC3 distro) on an mach64 machine,
probably early next week.
next prev parent reply other threads:[~2005-03-04 22:16 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-03-03 19:03 Who is stomping PCI config space? Jon Smirl
2005-03-03 23:07 ` Benjamin Herrenschmidt
2005-03-04 0:15 ` Jon Smirl
2005-03-04 3:03 ` Jon Smirl
2005-03-04 6:40 ` [Linux-fbdev-devel] " Benjamin Herrenschmidt
2005-03-04 12:07 ` Egbert Eich
2005-03-04 17:35 ` Jon Smirl
2005-03-04 22:42 ` [Linux-fbdev-devel] " Benjamin Herrenschmidt
2005-03-05 19:06 ` Egbert Eich
2005-03-05 22:42 ` Benjamin Herrenschmidt
2005-03-07 11:19 ` Egbert Eich
2005-03-08 3:21 ` Benjamin Herrenschmidt
2005-03-05 17:33 ` Egbert Eich
2005-03-04 17:58 ` Jon Smirl
2005-03-04 22:45 ` Benjamin Herrenschmidt
2005-03-05 19:07 ` Egbert Eich
2005-03-05 22:43 ` Benjamin Herrenschmidt
2005-03-04 22:27 ` Benjamin Herrenschmidt
2005-03-05 18:26 ` Egbert Eich
2005-03-05 22:39 ` Benjamin Herrenschmidt
2005-03-07 11:05 ` Egbert Eich
2005-03-04 12:02 ` Egbert Eich
2005-03-04 11:25 ` Egbert Eich
2005-03-04 22:16 ` Benjamin Herrenschmidt [this message]
2005-03-05 17:36 ` [Linux-fbdev-devel] " Egbert Eich
2005-03-04 11:12 ` Egbert Eich
2005-03-04 22:51 ` Benjamin Herrenschmidt
[not found] ` <42278AEC.4080706@dunaweb.hu>
2005-03-04 11:21 ` Egbert Eich
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