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Subject: [Bug 209213] UEFI Loader shows only black screen - kernel output
 normal
Date: Mon, 02 May 2016 20:26:00 +0000
X-Bugzilla-Reason: AssignedTo
X-Bugzilla-Type: new
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: Base System
X-Bugzilla-Component: bin
X-Bugzilla-Version: 10.3-RELEASE
X-Bugzilla-Keywords: uefi, vt
X-Bugzilla-Severity: Affects Some People
X-Bugzilla-Who: gravity6@gmx.de
X-Bugzilla-Status: New
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X-Bugzilla-Flags: maintainer-feedback? exp-run? mfc-stable9? mfc-stable10?
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D209213

            Bug ID: 209213
           Summary: UEFI Loader shows only black screen - kernel output
                    normal
           Product: Base System
           Version: 10.3-RELEASE
          Hardware: amd64
                OS: Any
            Status: New
          Keywords: uefi, vt
          Severity: Affects Some People
          Priority: ---
         Component: bin
          Assignee: freebsd-bugs@FreeBSD.org
          Reporter: gravity6@gmx.de
                CC: freebsd-amd64@FreeBSD.org
                CC: freebsd-amd64@FreeBSD.org
             Flags: maintainer-feedback?, exp-run?, mfc-stable9?,
                    mfc-stable10?

The Notebook is a Clevo P750ZM (rebranded as XMG U505) with BIOS 1.05.01a
configured to boot UEFI. Booting and installing is possible, Nvidia GTX970m=
 is
supported. But the first screen output is when the kernel starts. While the
loader is active, there is just a black screen

 kernel: VT(efifb): resolution 1280x1024

I tried settings in loader.conf, but without success:

 boot_multicons=3D"YES"
 console=3D"efi,vidconsole,comconsole"

--=20
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