On Tuesday, June 02, 2015 03:02 AM, Andrei Borzenkov wrote:
В Mon, 1 Jun 2015 19:44:04 +0200
Sverker Albatross <[email protected]> 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.
Hi,
In ubuntu, there's a configuration file /etc/default/grub that sets the
GRUB_TIMEOUT value. Installing/removing a kernel will run update-grub
which reads it and create /boot/grub/grub.cfg. You can also run
update-grub manually if you change it.
Hope this helps,
ST
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