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Re: GRUB really slow to boot

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On Sat 18 Dec 2021 at 11:08:37 -0500, Greg Wooledge wrote:

> Today I rebooted my machine for the first time in quite a while, after
> the kernel update that was released along with Debian 11.2.
>
> When it reached the GRUB screen, I pressed Enter, and nothing happened
> as far as I could see.  I was initially worried that it had stopped
> seeing my USB keyboard (a thing that I've experienced with GRUB and
> certain USB slots on certain machines in the past).  This keyboard
> plugged into this same USB slot had worked in previous versions of GRUB
> on this machine, though.
>
> The next thing I observed was that after 5 seconds, it still hadn't
> booted, nor had the coundown ("will automatically boot in 5s" or whatever)
> advanced.  It appeared to be hung.
>
> I waited a bit longer, and the 5s changed to 4s.  It just took a really
> long time (like 15+ seconds for each second on the timer).
>
> Eventually, after a minute or two, the system booted.  Everything is
> working normally now, post-GRUB.

Some of my machines are booted with

  set timeout=5

  menuentry 'Debian bullseye on 5740' {
  linux   /vmlinuz root=LABEL=5740 ro quiet
  initrd  /initrd.img
  }

Perhaps you could try with this; maybe "root=/dev/sdaX" is more
convenient. Also test with /vmlinuz.old and /initrd.img.old.
Remove the first line to simplify the file.

-- 
Brian.

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Thread

GRUB really slow to boot Greg Wooledge <greg@wooledge.org> - 2021-12-18 17:10 +0100
  Re: GRUB really slow to boot James Dutton <james.dutton@gmail.com> - 2021-12-18 23:30 +0100
    Re: GRUB really slow to boot Greg Wooledge <greg@wooledge.org> - 2021-12-18 23:40 +0100
      Re: GRUB really slow to boot James Dutton <james.dutton@gmail.com> - 2021-12-19 00:50 +0100
        Re: GRUB really slow to boot Greg Wooledge <greg@wooledge.org> - 2021-12-19 01:00 +0100
          Re: GRUB really slow to boot James Dutton <james.dutton@gmail.com> - 2021-12-19 14:00 +0100
            Re: GRUB really slow to boot Greg Wooledge <greg@wooledge.org> - 2021-12-19 15:20 +0100
          Re: GRUB really slow to boot Curt <curty@free.fr> - 2021-12-19 15:20 +0100
            Re: GRUB really slow to boot Greg Wooledge <greg@wooledge.org> - 2021-12-19 15:30 +0100
              Re: GRUB really slow to boot James Dutton <james.dutton@gmail.com> - 2021-12-19 15:40 +0100
      Re: GRUB really slow to boot Felix Miata <mrmazda@earthlink.net> - 2021-12-19 04:10 +0100
  Re: GRUB really slow to boot Dan Ritter <dsr@randomstring.org> - 2021-12-19 00:10 +0100
    Re: GRUB really slow to boot Tim Woodall <debianuser@woodall.me.uk> - 2021-12-19 08:30 +0100
      Re: GRUB really slow to boot Greg Wooledge <greg@wooledge.org> - 2021-12-19 15:30 +0100
        Re: GRUB really slow to boot Tim Woodall <debianuser@woodall.me.uk> - 2021-12-19 16:10 +0100
  Re: GRUB really slow to boot Brian <ad44@cityscape.co.uk> - 2021-12-19 13:10 +0100
  Re: GRUB really slow to boot Darac Marjal <mailinglist@darac.org.uk> - 2021-12-19 15:50 +0100
  Re: GRUB really slow to boot David Wright <deblis@lionunicorn.co.uk> - 2022-01-03 03:50 +0100
    Re: GRUB really slow to boot David Wright <deblis@lionunicorn.co.uk> - 2022-01-20 17:30 +0100

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