bugGNU GRUB - Bugs: bug #2397, [PATCH] Add an option to disable...

 
 

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bug #2397: [PATCH] Add an option to disable any video output

Submitter:  Ilguiz Latypov <ilgiz>
Submitted:  Sun 26 Jan 2003 12:12:16 AM UTC
   
 
Category:  Booting Severity:  Major
Priority:  5 - Normal Item Group:  None
Status:  None Privacy:  Public
Assigned to:  None Originator Name: 
Open/Closed:  Closed Release:  None
Release:  2003-01-08 CVS snapshot Reproducibility:  None
Planned Release:  None

Sat 15 Dec 2007 12:16:45 PM UTC, comment #2: 

We've moved to GRUB 2 as a development platform.  Please can you check if this bug still applies there, and if it does, reopen it?

Thanks

Robert Millan <robertmh>
Group administrator
Sun 26 Jan 2003 12:56:19 AM UTC, comment #1: 

Why don't you fix your BIOS rather than GRUB? It is quite
easy for BIOS to ignore int 0x10.

Okuji

Yoshinori K. Okuji <okuji>
Group administrator
Sun 26 Jan 2003 12:12:16 AM UTC, original submission:  

There were suspicions that the bootloader's int 0x10 BIOS video output can prevent the system from booting.  The following patch disables any video output which is not controlled by menu.lst. 

In order to completely disable video output, one should specify a serial port in the GRUB's menu.lst as a default terminal.

There are 2 drawbacks not solved by this patch:

  a) The video BIOS int 0x10 is still required after applying this patch.  A better patch should intercept any int 0x10 and emulate sane default responses.

  b) The Linux kernel will display the "Uncompressing image..." message through the video BIOS call.

Ilguiz Latypov <ilgiz>

 

(Note: upload size limit is set to 16384 kB, after insertion of the required escape characters.)

Attached Files
file #257:  grub-disable-startup-video-20030108.diff added by ilgiz (3KiB - text/plain - minimizes video output on startup (./configure --disable-startup-video))

 

Depends on the following items: None found

Items that depend on this one: None found

 

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    Follows 1 latest change.

    Date Changed by Updated Field Previous Value => Replaced by
    2007-12-15 robertmh Open/ClosedOpen Closed

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