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Hi, I have a SATA drive with LILO boot loader, and a working 32bit 22.214.171.124 kernel that was built on a Mandriva 32bit machine some time back. This Linux environment ...
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- 02-28-2013 #1
- Join Date
- Apr 2008
Kernel panic when rebuilding kernel with exact same .config file
I have a SATA drive with LILO boot loader, and a working 32bit 126.96.36.199 kernel that was built on a Mandriva 32bit machine some time back. This Linux environment is a very simple one that boots up to a busybox shell as init by means of a "append="init=/test/test.sh" in lilo.conf, where test.sh sets up the basic Linux environment then starts a busybox shell.
The Mandriva build environment no longer exists, and has been upgraded to a 64bit Ubuntu machine instead.
I downloaded 188.8.131.52 from kernel.org, and then extracted the .config file from the working kernel.
I then used the .config file to build a new but identical 32bit kernel on the new Ubuntu build environment using make "ARCH=i386 menuconfig" followed by "make ARCH=i386 all"
I copied this new kernel to the SATA drive, edited lilo.conf and ran lilo again. However, when I try to boot up from this supposedly identical kernel, I get a kernel panic:
VFS: Mounted root(ext2 filesystem readonly on device 8:1 Freeing unused kernel memory: 248k freed Failed to execute /test/test.sh. Attempting default... Kernel panic - not syncing: No init found. Try passing init= option to kernel.
Why is it I have 2 kernels that are the same version, built with the .config file, but resulting in 1 booting and the other not?
Any help would be appreciated. Thanks!
- 03-01-2013 #2
- Join Date
- Apr 2012
Hi , this may be not what you intended but should work . Instead of extracting the older .config file and then building your kernel . just use "make ARCH=i386 all" and install the kernel. Try this and let us know.