[Bug 83343] Kernel don't boot in ppc oldworld Performa 6400.

[Rodrigo Varella Rahmi]

Public bug reported:

Binary package hint: linux-image-2.6.12-9-powerpc

After searching for some kernel that runs in this old machine, and don't have problems in serial ports as reported in bugs #63289 and #63292, I  try the some kernels that was launched with Breezy.
Both linux-image-2.6.12-9-powerpc (2.6.12-9.23) and linux-image-2.6.12-10-powerpc (2.6.12-10.42) failed to boot with quik bootloader, happen errors like this "kernel panic - not syncing: VFS: unable to mount root fs on unknown-block(0,0)". For my restricted knowledge I mean this have something with inird/initramfs, but don't find a solution.
I try booting in BootX (1.2.2), here I was more succesfull but it stops in mounting root file system, segfaulting several times, and I get a simple busybox console.
Linux works pretty well with kernel 2.6.10 in Dapper, in Edgy it works, but have problems with udev (this kernel is older).

I'm disposed in do something to discover whats the problem here and how
to repair it, with some feedback instructions, I really may help,

Sorry for my (still learning) english.

** Affects: linux-source-2.6.12 (Ubuntu)
     Importance: Undecided
         Status: Unconfirmed

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Kernel don't boot in ppc oldworld Performa 6400.
https://launchpad.net/bugs/83343