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Re: Grub menu/MBR modifications
From: |
Andrei Borzenkov |
Subject: |
Re: Grub menu/MBR modifications |
Date: |
Mon, 1 Jun 2015 22:02:35 +0300 |
В Mon, 1 Jun 2015 19:44:04 +0200
Sverker Albatross <address@hidden> пишет:
> I have an offline computer (I'm the only user) that's suddenly had its mbr
> changed. I had a 10 s timeout, who suddenly has disappeared. By removing
> one older kernel package the timeout is there again. Can anyone explain
> what's going on? It's a stripped kubuntu 12.04, offline/unupdated/wifi
> disabled since 6 months back.
>
> Would anyone like to explain how/where/when the grub timeout is written?
Some distributions disable timeout if one-time boot menu entry is set
(grub-reboot); and in some cases grub cannot reset it during boot.
Removing kernel likely triggers bootloader reconfiguration which /may/
rewrite grubenv.
There is not really enough information to make a guess.