vesa driver problem

Adam Jackson ajax at nwnk.net
Mon May 21 18:42:06 UTC 2018


On Mon, 2018-05-21 at 18:35 +0000, G. Sebastián Pedersen wrote:
> May 21, 2018 6:31 PM, "Adam Jackson" <ajax at nwnk.net> wrote:
> 
> > On Mon, 2018-05-21 at 17:12 +0000, G. Sebastián Pedersen wrote:
> > 
> > > [ 25.201] (II) VESA: driver for VESA chipsets: vesa
> > > [ 25.201] xf86EnableIOPorts: failed to set IOPL for I/O (Operation not permitted)
> > 
> > Pretty sure this means your X server isn't running as root, and needs
> > to be.
> 
> I tried running X as root with no luck (although don't remember if
> the specific error you point disapper. Could check it when got home.
> The rest remains the same, I'm pretty sure about that.)

The other possibility I can think of is that your kernel has been
locked down hard enough that userspace isn't allowed to access I/O
ports. CONFIG_STRICT_DEVMEM might be guilty here. There's not been any
changes in either xserver 1.20 or vesa 2.4.0 that should cause this,
though.

- ajax


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