[Bug 94757] New: powerpc64 & 64Kb kernel pagesize not working with nouveau - bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ

From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: [Bug 94757] New: powerpc64 & 64Kb kernel pagesize not working with nouveau
Date: Wed, 30 Mar 2016 09:31:10 +0000	[thread overview]
Message-ID: <bug-94757-8800@http.bugs.freedesktop.org/> (raw)

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https://bugs.freedesktop.org/show_bug.cgi?id=94757

            Bug ID: 94757
           Summary: powerpc64 & 64Kb kernel pagesize not working with
                    nouveau
           Product: xorg
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
          Reporter: mathieu.malaterre-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
        QA Contact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org

The recent Debian kernels for powerpc64 are configured with a 64Kb kernel
pagesize.
This works slightly better in terms of performance, however the nouveau display
driver does not currently work kernel pagesizes other than 4Kb size when
running XOrg and powerpc64. It works ok if only using the console though.

Currently, users must recompile the kernel unfortunately and configure with 4Kb
kernel pagesize as this is what nouveau will only work with for now.
This is a hindrance to making people want to adopt debian as their preffered
linux distro with powerpc64 G5 powermac machines.

Im currently running vanilla 3.18.16 configured with 4Kb and nouveau can be
made to work without too many dramas.

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