[Bug 289320] graphics/drm-66-kmod: Page fault on 16-CURRENT

From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 05 Sep 2025 13:47:24 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=289320

            Bug ID: 289320
           Summary: graphics/drm-66-kmod: Page fault on 16-CURRENT
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: Individual Port(s)
          Assignee: x11@FreeBSD.org
          Reporter: cy@FreeBSD.org
             Flags: maintainer-feedback?(x11@FreeBSD.org)
          Assignee: x11@FreeBSD.org

When performing kldload amdgpu.ko on an AMD Framework 13 16-CURRENT I get,

#8  vm_phys_fictitious_unreg_range (start=<optimized out>, end=<optimized out>)
    at /opt/src/git-src/sys/vm/vm_phys.c:1216
        pi = <optimized out>
        pe = <optimized out>
        tmp = {node = {rbe_link = {<optimized out>, <optimized out>,
              <optimized out>}}, start = <optimized out>, end = 0,
          first_page = <optimized out>}
        seg = 0x0

It worked perfectly fine yesterday on 15-CURRENT.

The strange thing is drm-66-kmod works on my HP 840 G5. Though that machine is
intel based.

graphics/drm-66-kmod was rebuilt on the new system on both.

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