Mike Bushroe wrote:
> My copy of Ubuntu was becoming unstable. First it would not read a
> CD-ROM, then it would not read a USB flash drive. In both cases, it
> claimed the file system was unknown. So I tried using modprobe to add
> iso9660 and vfat back into the OS, only to find that modprobe was
> missing. So I tried to rebuild the dependencies files by using depmode,
> and that could not find the needed files and folders. And suddenly the
> printer was no longer accessable.
>
> So I decided to bite the bullet and try making a new kernel in hopes of
> restoring the lost modprobe. I found Howto's and used a simple one for
> building 2.6 kernels. I went to Kernel.Org and downloaded the latest
> stable Kernel 2.6.32 source. And then after several false starts I was
> able to get make menuconfig to work. I got pretty lost in many of the
> options and sub menus, but trimmed out some of the fat getting rid of
> Ham radio, file systems I have never heard of, wireless functions, and a
> few other. Then came mkinitrd. There is no mkinitrd. I can not apt-get
> install mkinitrd. I can not use the Ubuntu main menu download and
> install to get mkinitrd. I Googled it and saw some refernces to
> initrd-tools, but the only version I could find was labeld as _only_ for
> customizing a new LIVE-CD, and it also conflicted with already loaded
> apps. I found mkinitrd in RPMs, but has no idea how to make use of an
> RPM file in Ubuntu. I looked for mkinitrd source, and could not find
> that either. I found one package that I extracted to my ~/Downloads, but
> it had no configure file, and running make on the included Make_file
> died quickly with errors. Yet when I looked at /boot, there were
> initrd-x.y.z-.image files for all the previous versions Ubuntu updates
> have loaded, so it looked essential.
>
> I finally edited /grub/menu.lst to add the new kernel, but used the
> most recent image file for the initial ramdisk install phase. But the
> boot failed and I had to fall back to the most recent upgrade performed
> through Ubuntu.
>
>
> Can anbody tell me where I went wrong? How I am supposed to make the
> initrd-image which appears to be critical?
I believe so. Is it called mkinitramfs in ubuntu? (man mkinitramfs)
> Or does Ubuntu just plain not
> allow home-rolled kernels?
It might not be trivial.
FWIW, when I come across weirdness such as you describe, the problem is
sometimes hardware. Have you run memtest on your system recently?
--
-Eric 'shubes'
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