Re: [gentoo-user] System.map not found - unable to check symbols

[Glenn Enright]

> > > > > System.map not found - unable to check symbols.
> > > > > which doesn't seem to cause problems during/after booting (??).
> > > > >
> > > > > I did a manual kernel compilation
> > > >
> > > > To do this, I always do:
> > > >
> > > > 	make all modules_install install
> > > >
> > > > This will do all the necessary steps.
> > >
> > > I tried the make all option and it added a /boot -> .
> > > Inside /boot. Also, a menu.lst file was created inside /boot/grub
> > > that points to grub.conf. Other than that there no changes/additions
> > > we made.
> >
> > 'make all' is supposed to compile the kernel, 'make modules_install'
> > will compile the kernel modules, 'make install' will install the kernel
> > and 'make all modules_install install' will do all three of those things.
>
> I tried multiple times, different ways installing the kernel (vanilla
> sources) and reinstalling grub. Still the same message of "System.map
> not found" during booting.
>
> > > I rebooted and had the same problem occurring:
> > >
> > > System.map not found -- unable to check symbols
> >
> > Could you provide the output of:
> >
> > # df -h | grep boot
> > # ls -l /boot
>
> Nothing from the previous commands since /boot is not mounted (it is no
> in fstab as suggested by the install handbook)
>
> > # uname -r
>
> 2.6.15.1


Where is the message comming from? do you get it during kernel load or once 
the initscripts with the green stars beside them start doing their thing? I'm 
guessing from the OP that you have x86 hardware?

1) If its the kernel load (easier to check) I suggest the following. As root 
user...
- make sure the boot partition is mounted run 'mount /boot'
- make sure the /usr/src/linux link is pointing to the kernel you want to boot 
from
- cd /usr/src/linux
- run 'make clean' (this will essentially deletes all the compiled stuff 
except for your config file, in other words cleans up the tree :)
- run 'make all modules_install install'
- have a look in /boot to make sure the installer created the appropriate 
link 'System.map' to the version it just installed. use 'ls -l' to see this
- now try a reboot making sure you use >> the same kernel you just built <<
do you still get the message? If so you may need to alter the kernel config 
and see if that makes any difference, or you might like to try a different 
kernel version.

2) If its happening while the initscripts load, or at some other time after 
kernel boot, then its a gentoo specific issue and you need to work through 
those scripts somehow to isolate the cause.

-- 
Thus spake the master programmer:
	"After three days without programming, life becomes meaningless."
		-- Geoffrey James, "The Tao of Programming"