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xen-devel
RE: [Xen-devel] vm86 - DCC probes don't work
> ddcprobe is trying to read hardware I2C buses. On a radeon card these
> are part of the mmio address space. Not sure where they appear on the
> i915 but it should be easy to find in the source.
I suspect the i915 driver is going at the address using __va rather than
using isa_bus_to_virt. Please can someone investigate and send a .patch
(and feed upstream too).
Thanks,
Ian
> On Tue, 22 Feb 2005 13:45:31 -0500 (EST), Rik van Riel
> <riel@xxxxxxxxxx> wrote:
> > After digging around a bit on a system that hangs when trying to
> > start X, I tried another system and was luckier, when running
> > system-config-display:
> >
> > do_wp_page: bogus page at address 00000449
> > VM: killing process ddcprobe
> > PCI: Obtained IRQ 16 for device 0000:00:02.0
> > [drm] Initialized i915 1.1.0 20040405 on minor 0:
> > do_wp_page: bogus page at address 00000449
> > VM: killing process ddcprobe
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