root mount error

[Damien Fleuriot]

Hey michael,


First, I'd advise making use of FreeBSD's nextboot utility to test new
kernels:
http://fuse4bsd.creo.hu/localcgi/man-cgi.cgi?nextboot+8

Second, I would suggest reading the handbook's excellent section on
upgrading your machine or rebuilding the kernel:
http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/updating-upgrading.html


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.

Did you reinstall your old, working kernel, or are you actually asking
for help doing just that ?


On 12/27/10 9:18 PM, Michael BlackHeart wrote:
> Hello
> 
> I've got trouble with FreeBSD 8 Stable
> First I've put on notebook 8.2 RELEASE amd64, then SVN'ed src's to
> yesterday revision I don't remember exact number, but I've have this
> problem aobut week or two so it's not so important, also as it doesn't
> work on i386 too.
> 
> After installing new kernel I've just build - indeed it always was
> GENERIC for both arch's on clean system - I've got an a kernel painc
> caused by disability to mount root partition because kernel couldn't
> see the drive. By pressing '?' I've sen only acd0 that represents
> CD-ROM.
> 
> In debug messages I haven't found anything about ad0 - than hdd was
> identified before new kernel was installed.
> I've got an HP 6720s notebook with SATA 160GB Hitachi HDD that is
> working with diabled SATA native mode.
> 
> I've not found any info 'bout this error in recent 8.Stable so I don't
> know how to handle this one.
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