Re: grub: savedefault and boot once for F12

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Tom Horsley wrote:
> On Sat, 08 May 2010 10:11:41 -0400
> sean darcy wrote:
> 
>> And it keeps booting F9. Any suggestions appreciated.
> 
> You are making the mistake of believing the stuff written
> in the grub info file :-).
> 
> The actual grub shipped with fedora has a savedefault
> that works completely differently.
> 
> Try running grub and doing a "help savedefault" to get
> the real info.
> 
> https://bugzilla.redhat.com/show_bug.cgi?id=212649

Wow. This is a trap for the unwary.

BTW, IMHO the grub cli help is also misleading:

help savedefault
savedefault: savedefault [--stage2=STAGE2_FILE] [--default=DEFAULT] [--once]
     Save DEFAULT as the default boot entry in STAGE2_FILE. If
     '--once' is specified, the default is reset after the next reboot.

The brackets mean to me that it's optional. So you'd use --stage2 only 
if you're using some non-standard stage2 file.

Also, BTW, if you do run savedefault without --stage2 there's no error 
message.

But it also didn't work :(

savedefault --stage2=/boot/grub/stage2 --default=2 --once

reboot, and I'm back at F9.

Two possibilities: 1.  grub isn't booting F12

2. F12 is failing, and grub is booting F9 as the fallback

So I upped the timeout to 60 seconds. Set default in grub.conf to 0, and 
rebooted:

May  8 12:34:10 Server pcscd: readerfactory.c:1379:RFCleanupReaders() 
entering cleaning function
May  8 12:34:10 Server pcscd: pcscdaemon.c:532:at_exit() cleaning /var/run
May  8 12:37:24 Server kernel: imklog 3.20.2, log source = /proc/kmsg 
started.
May  8 12:37:24 Server kernel: Initializing cgroup subsys cpuset

So a reboot takes 3 mins, 10 secs, 190 seconds

Then set default=saved, ran from grub cli

savedefault --stage2=/boot/grub/stage2 --default=2 --once

reboot.

May  8 12:16:09 Server pcscd: readerfactory.c:1379:RFCleanupReaders() 
entering cleaning function
May  8 12:16:09 Server pcscd: pcscdaemon.c:532:at_exit() cleaning /var/run
May  8 12:18:23 Server kernel: imklog 3.20.2, log source = /proc/kmsg 
started.
May  8 12:18:23 Server kernel: Initializing cgroup subsys cpuset

2 minutes, 20 secs.

So it looks to me like grub is not booting F12 at all.

Any help realllly appreciated.

sean

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