About a month ago I downloaded the 2.6.2 kernel, compiled it and booted with it. Everything was O.K. But a few days ago i got the full 2.6.4 source, compiled it but it won't boot! I am pretty sure that everything in /etc/lilo.conf is O.K. The kernel is compiled with built-in ext2, ext3 support, my root (/) partition is ext3. Here is the error message I got:
VFS: Cannot open root device "304" or unknown-block(3,4)
Please append a correct "root=" boot option
Kernel panic: VFS: Unable to mount root fs on unknown-block(3,4)
What might the problem be? Any suggestions are welcome.