[Nouveau] [Bug 103033] [NVA8] nouveau can't start my discrete nvidia card (BIOS / ACPI error)

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Sep 28 22:39:48 UTC 2017


Ilia Mirkin <imirkin at alum.mit.edu> changed:

           What    |Removed                     |Added
            Summary|nouveau can't start my      |[NVA8] nouveau can't start
                   |discrete nvidia card (BIOS  |my discrete nvidia card
                   |/ ACPI error)               |(BIOS / ACPI error)

--- Comment #1 from Ilia Mirkin <imirkin at alum.mit.edu> ---
The issue is that shadow_fetch() fails for ACPI. It tries to read a
0xf800-sized image and apparently can't. Both the fast and slow methods end up
the same. Also it's NPDE is set to "HYB$", although looking at the code that
shouldn't really matter.

However something's there, since it gets far enough to e.g. check the NPDE.
Either the _ROM method is buggy, or we're driving it slightly incorrectly.

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