** Description changed:
With the move to grub2 I recently discovered that my headless Natty
server running as a NAS device will not reboot following a power
failure. I was able to track this down to the behavior of the
'recordfail' logic in grub2. This logic prevents grub from booting
following an event such as a power failure. The system boots to the
grub2 menu and waits with no timeout (-1).
While this feature may be completely appropriate for an attended desktop
system, there should be an optional override for this behavior in the
'/etc/default/grub' defaults file so that systems (such as headless
ones) that need to boot following such a failure can boot without
intervention. I was able to work around the problem by commenting the
following lines in /etc/grub.d/00_header
#if [ ${recordfail} = 1 ]; then
# set timeout=-1
#else
set timeout=10
#fi
An optional grub2 default parameter that emulates this logic in the
defaults would be a nice addition so people who want the "always boot"
behavior don't have to hack the grub scripts by hand.
Additional info:
jheck@twilightzone:/etc/grub.d$ lsb_release -rd
Description: Ubuntu 11.04
Release: 11.04
jheck@twilightzone:/etc/grub.d$ apt-cache policy grub2
grub2:
Installed: (none)
Candidate: 1.99~rc1-13ubuntu3
Version table:
1.99~rc1-13ubuntu3 0
500 http://us.archive.ubuntu.com/ubuntu/ natty/universe amd64 Packages
+
+ Related bugs:
+ * bug 669481: Timeout should not be -1 if $recordfail
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https://bugs.launchpad.net/bugs/872244
Title:
grub2 recordfail logic prevents headless system from rebooting after
power outage
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