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Re: NetBSD 8.0 RC1 and X

On Wed, May 30, 2018 at 04:52:46PM -0500, Robert Nestor wrote:
> Trying to install NetBSD 8.0_RC1 on an HP 6200 system and ran into a problem I?ve never seen before.
> Got the system installed with XDM, but X didn?t find all the possible screen resolutions.  I?m used to that, so I edited an xorg.conf file and that solved the problem.  I then tried installing netbsd-XEN3-DOM0 and the xen out of the xen48 packages.  The system comes up, again in a minimal X with XDM but again without my custom xorg.conf file I get just low screen resolutions.  With my custom xorg.conf file I get colorful screen confetti.

> Digging a bit further I see that without Xen the X system is defaulting to the intel driver for the on-board graphics, but when booting up with Xen it defaults to the vesa driver.

Yes, NetBSD/Xen can't use DRI-based drivers, because in our DRI implementation
the physical to machine mapping of addresses isn't handled. Fixing this
probably requires an extention of the bus_dma(9) API, and then fixing
the DRI implementation to use bus_dma(9).

I would expect VESA to work the same way in native of Xen, though.

Manuel Bouyer <>
     NetBSD: 26 ans d'experience feront toujours la difference

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