root mount error

[Greg Byshenk]

On Tue, Dec 28, 2010 at 11:08:44PM +0300, Michael BlackHeart wrote:
> I'm no looking for help neither instructions how to build kernel. I'm
> just installing 8.1 RELEASE and svn it up to last week 8-stable. And
> going step-by-step of handbook installing kernel I'm having a trouble
> - it seems than new kenel doesn't recognize my HDD. I'm not doing
> something special, in that case I'm for shure mentioned it. I'm just
> building GENERIC kernel without any configuration of system after
> installation, to tweaks, no tunes, nothing. It's a new GENERIC kernel
> and it can't find my HDD but 8.1 i386/amd64 releases works well and as
> I remember something about month ago stable too.
> >Now, a likely cause of your problem is the installation of a custom
> >kernel with removed support for whatever your hard disk drive or raid
> >controller is recognized as.
> When it works it's just and ad0 hdd, no raid or special driver
> I'm jsut trying to say than recent changes in kernel or kernel-modules
> broke up my HDD support and I'd like to notice developres to check
> where the problem is.
> And of couse I've tried to switch SATA native mode and it doesn't
> change anything.
> Loader on it's own stage easily detects HDD and root partition so I
> can just select old kernel and boot up, but I'm not shure how he gain
> access to HDD to mfke any conclusion, probably through BIOS interrupts
> but it's out of piont.
> And for my pity I don't know how to dump demsg without having any
> serial connection or usable disk drive, maybe to flash drive, but I
> don't know how. And anyway there's no real kernel painc, it just asks
> for root mountpoint.
> 
> And for shure I've got an 2.5" Hitachi HTS542516K9A300 160Gb SATA HDD
> 
> If you need any aditional info I'll give it all, just ask.

If you change to SATA native mode, then your HD may show up at a 
different device (mine moved to ad8). If you go to native mode and
issue a '?' when it fails to find the kernel, does it show any HD
devices?

-- 
greg byshenk  -  gbyshenk at byshenk.net  -  Leiden, NL