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/usr/src/linux-3.2.1 # make install
scripts/kconfig/conf --silentoldconfig Kconfig
sh /usr/src/linux-3.2.1/arch/x86/boot/install.sh 3.2.1-12-desktop arch/x86/boot/bzImage \
                System.map "/boot"
You may need to create an initial ramdisk now.

--

/boot # mkinitrd initrd-3.2.1-12-desktop.img 3.2.1-12-desktop

Kernel image:   /boot/vmlinuz-2.6.34-12-desktop
Initrd image:   /boot/initrd-2.6.34-12-desktop
Kernel Modules: <not available>
Could not find map initrd-3.2.1-12-desktop.img/boot/System.map, please specify a correct file with -M.
There was an error generating the initrd (9)

See the error during mkinitrd command. What's the point that I am missing?
What does this mean? Kernel Modules: <not available>

OpenSuse 11.3 64 bit

EDIT1:

I did "make modules".
I copied the System.map file from the /usr/src/linux-3.2.1 directory to /boot, now running initrd command gives the following error:

linux-dopx:/boot # mkinitrd initrd-3.2.1.img 3.2.1-desktop

Kernel image:   /boot/vmlinuz-2.6.34-12-desktop
Initrd image:   /boot/initrd-2.6.34-12-desktop
Kernel Modules: <not available>
Could not find map initrd-3.2.1.img/boot/System.map, please specify a correct file with -M.

Kernel image:   /boot/vmlinuz-3.2.1-12-desktop
Initrd image:   /boot/initrd-3.2.1-12-desktop
Kernel Modules: <not available>
Could not find map initrd-3.2.1.img/boot/System.map, please specify a correct file with -M.

Kernel image:   /boot/vmlinuz-3.2.1-12-desktop.old
Initrd image:   /boot/initrd-3.2.1-12-desktop.old
Kernel Modules: <not available>
Could not find map initrd-3.2.1.img/boot/System.map, please specify a correct file with -M.
There was an error generating the initrd (9)
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Which distro? And the comment does say MAY, using Gentoo I don't bother with making an initrd, they're not necessary. – bdowning Jan 19 '12 at 14:25
@bdowning sorry, have edited it. :) – Anisha Kaul Jan 19 '12 at 14:27

2 Answers

up vote 5 down vote accepted

You should be using mkinitramfs, not mkinitrd. The actual initrd format is obsolete and initramfs is used instead these days, even though it is still called an initrd. Better yet, just use update-initramfs. Also you need to run make modules_install to install the modules.

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thanks, I'll try that and let you know. :) – Anisha Kaul Jan 19 '12 at 14:27
+1 from me @bdowning – bdowning Jan 19 '12 at 15:38
+1 from me too @psusi :-) – Nikhil Mulley Jan 19 '12 at 16:32
btw, I will carve out a seperate question for difference between initrd and initramfs, it will make a good Q&A :-) – Nikhil Mulley Jan 19 '12 at 16:33
mkinitramfs gives command not found on Suse. – Anisha Kaul Jan 20 '12 at 5:04
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up vote 0 down vote

With OpenSUSE, you can use

yast2 sysconfig

fill in 'INITRD_MODULES' with module you need and apply.

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