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Re: Cannot get GRUB boot menu to display more than 3/100ths seconds

From: Pascal Hambourg
Subject: Re: Cannot get GRUB boot menu to display more than 3/100ths seconds
Date: Thu, 18 Oct 2018 07:18:40 +0200
User-agent: Mozilla/5.0 (X11; Linux i686; rv:52.0) Gecko/20100101 Thunderbird/52.9.1

Please could you avoid top-posting ? It makes interleaved reply difficult.

Le 18/10/2018 à 03:04, address@hidden a écrit :
    Thanks for the ideas. But I know that the bootloader is reading the
    grub.cfg file correctly.

    As I showed with the screenshot and original description, the boot menu
    says "The highlighted entry will be executed automatically in 5s" when
    GRUB_TIMEOUT=5. When I change this to -1, that message disappears. In
    both cases, the boot menu flashes on and then immediately disappears
    before it can even be read. (I used a camera to see it.)

    The question seems to be why GRUB does not respect the timeout?

Maybe my proposal will provide some unexpected information.

    On 10/18/2018 2:38 AM, Rivard, Matthew T wrote:

If you remove the grub.cfg file, the grub boot loader should drop to a command l
ine and stop.      If it doesn't drop to the command line, then your bootloader
is pulling its menu file from a non-standard location, which is why any changes
you make are not being reflected.

You can then use a linux install disc in recovery mode to remount the drive and
rename the grub.cfg file back afterwards if it does drop to command line.

No need to boot from another media. Just load the grub.cfg.renamed (or whatever name you gave it) at the grub> prompt with the following command :

configfile $prefix/grub.cfg.renamed

-----Original Message-----
From: Help-grub [[1]mailto:address@hidden
  On Behalf Of address@hidden
Sent: Wednesday, October 17, 2018 5:24 PM
To: address@hidden
Subject: Re: Cannot get GRUB boot menu to display more than 3/100ths seconds

    Pardon? What should I expect to happen?
    You are suggesting to basically delete the grub.cfg file by renaming
    it, right? Will that even allow my system to boot?!

    On 10/17/2018 8:01 PM, Pascal Hambourg wrote:

      Le 11/10/2018 `a 00:28, address@hidden a ecrit :

          Althought I have configured the boot menu timout to 5 seconds,
      the boot
          menu only flashes on screen briefly for 3/100ths of a second and
          disappears. I have tried all sorts of combinations of
          changes and just cannot seem to do anything to get the boot menu
          actually stay on the screen.

      What is displayed if you rename grub.cfg ?
      Help-grub mailing list


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