bugGNU GRUB - Bugs: bug #51750, multiboot: grub ignores...

 
 

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bug #51750: multiboot: grub ignores gfxpayload=keep

Submitted by:  Stas Sergeev <stsp>
Submitted on:  Mon 14 Aug 2017 02:19:50 PM UTC  
 
Category: TerminalSeverity: Major
Priority: 5 - NormalItem Group: Software Error
Status: NonePrivacy: Public
Assigned to: NoneOriginator Name: 
Open/Closed: OpenRelease: 
Release: Git masterReproducibility: Every Time
Planned Release: None

Mon 14 Aug 2017 03:56:10 PM UTC, comment #5:

Please find it attached.
With a lot of distro-specific noise, as usual.

(file #41518)

Stas Sergeev <stsp>
Mon 14 Aug 2017 03:52:52 PM UTC, comment #4:

Please paste your whole grub.cfg

Vladimir Serbinenko <phcoder>
Project Administrator
Mon 14 Aug 2017 03:50:58 PM UTC, comment #3:

So I swapped the strings to look like this:

menuentry 'KOS_64' {
recordfail
load_video
multiboot /boot/x86_64-vmkos.img
set gfxmode=1024x768x32
set gfxpayload=keep
boot
}

But this didn't change anything.
The menu has correct mode, but
OS is loaded with the mode from EDID.
I think the related code is in grub_video_vbe_setup()
and grub_vbe_get_preferred_mode(). I don't
see where they looks elsewhere but EDID.

Stas Sergeev <stsp>
Mon 14 Aug 2017 02:27:46 PM UTC, comment #2:

It was before.
Never thought this matters.
Will try swapping them.

Stas Sergeev <stsp>
Mon 14 Aug 2017 02:22:50 PM UTC, comment #1:

Is your gfxpayload=keep before or after multiboot command ? Later one takes precedence

Vladimir Serbinenko <phcoder>
Project Administrator
Mon 14 Aug 2017 02:19:50 PM UTC, original submission:

Sorry for the duplicate, but I don't seem to
be able to re-open the original ticket #51466.

If the multiboot header requests the
gfx mode using the appropriate flag,
but the mode parameters are set to 0
for auto, grub seems to be taking the
mode from EDID, ignoring the gfxpayload=keep.

Stas Sergeev <stsp>

 

Attached Files
file #41518:  grub.cfg added by stsp (2KiB - application/octet-stream - grub.cfg)

 

Depends on the following items: None found

Items that depend on this one: None found

 

Carbon-Copy List
  • -unavailable- added by phcoder (Posted a comment)
  • -unavailable- added by stsp (Submitted the item)
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    Follows 1 latest change.

    Date Changed By Updated Field Previous Value => Replaced By
    Mon 14 Aug 2017 03:56:10 PM UTCstspAttached File-=>Added grub.cfg, #41518

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