[Bug 202309] [uefi] smashed screen on HP Probook 430 G1 with UEFI

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=202309

Oliver Pinter <op at freebsd.org> changed:

           What    |Removed                     |Added
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                 CC|                            |Ray"@FreeBSD.org,
                   |                            |dumbbell at FreeBSD.org,
                   |                            |marcel at FreeBSD.org
           See Also|                            |https://bugs.freebsd.org/bu
                   |                            |gzilla/show_bug.cgi?id=1940
                   |                            |63
                 CC|Ray"@FreeBSD.org            |ray at FreeBSD.org

Marcel Moolenaar <marcel at FreeBSD.org> changed:

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             Status|New                         |Open
                 CC|ray at FreeBSD.org             |
           Assignee|freebsd-bugs at FreeBSD.org    |marcel at FreeBSD.org
             Status|Open                        |In Progress

Douglas King <douglasking215 at gmail.com> changed:

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                 CC|                            |douglasking215 at gmail.com

Ed Maste <emaste at freebsd.org> changed:

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                 CC|                            |emaste at freebsd.org

Marcel Moolenaar <marcel at FreeBSD.org> changed:

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           Assignee|marcel at FreeBSD.org          |freebsd-bugs at FreeBSD.org

Vaclav Mocek <next.little.owl at gmail.com> changed:

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                 CC|                            |next.little.owl at gmail.com

--- Comment #1 from Marcel Moolenaar <marcel at FreeBSD.org> ---
If I can read the screen correctly, it looks like the resolution is 1366x768,
with a stride of 1366 and a color depth of 32 bits per pixel (or 4 bytes per
pixel).

The console output seems to be using a stride that's just wrong. Since the
stride is coming from UEFI, it's hard to think of a reason why the kernel would
do this.

Have you tried updating the firmware?

--- Comment #2 from Oliver Pinter <op at freebsd.org> ---
Yes, today I updated to latest bios from HP, but the issue still exists.

How could I extract these information without serial port or change the
settings in loader or kernel?

--- Comment #3 from Marcel Moolenaar <marcel at FreeBSD.org> ---
Created attachment 160509
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=160509&action=edit
loader with 'gop' command

--- Comment #4 from Marcel Moolenaar <marcel at FreeBSD.org> ---
(In reply to Oliver Pinter from comment #2)

I committed revision 287299 (-current), that adds a 'gop' command to the
loader. I attached a pre-compiled EFI loader with this command to this PR.

Can you run 'gop get' and 'gop list' and add the output to this PR?

Also: can you try different modes (if possible) and see if that makes a
difference?

--- Comment #5 from Douglas King <douglasking215 at gmail.com> ---
Created attachment 162834
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=162834&action=edit
BIOS information

dmidecode output

--- Comment #6 from Douglas King <douglasking215 at gmail.com> ---
Created attachment 162835
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=162835&action=edit
Dmidecode output

--- Comment #7 from Douglas King <douglasking215 at gmail.com> ---
I am having the same issue trying to install on an HP Elitebook 2540p.
The error happens at the same point shown in the video except the whole output
is "squished" in the top 5-10% of the disply.
The display changes with user interaction but none of it is viewable.
The text from the boot process remains unaffected. 
Booting without EFI freezes slightly earlier in the boot.

'gop' only has one mode listed.

--- Comment #8 from Oliver Pinter <op at freebsd.org> ---
The issue still exists and the same on most recent stable from 2016.01.18.

--- Comment #9 from Vaclav Mocek <next.little.owl at gmail.com> ---
I have the same issue with an older Lenovo Ideapad S205, where during the boot
the screen is garbled. I tested the snapshot 10.2-r293802 and 11-r293801, both
are failing. I had the same issue with Linux three years back - the video mode
was not set correctly even in Grub2 and workaround was to use the option
gfxmode, which overwrites the detected values. So, I suspect that the UEFI GOP
provides partly incorrect information and the efifb is not set correctly.

Unfortunately, I have no clue how to debug these thing on FreeBSD, any hint
would be welcomed.

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