New ATA issue: locked out

[David Xu]

Xin LI wrote:
> David Xu wrote:
>> Xin LI wrote:
>>> Diego Depaoli wrote:
>>>> Trying to mount / fails with no mountroot and a wide geom's list.
>>>> Booting previous kernel results in panic guessing Bios (or some 
>>>> similar).
>>>> Kernel from two hours ago.
>>>
>>> I found that latest ATA driver has some problems with ICH8M's AHCI 
>>> mode, but switching to compatible mode seems to be a good 
>>> workaround.  Is your hard drive probed by the kernel?  Also, can you 
>>> try old kernel to see if it work?
>>>
>>> Cheers,
>>
>> mine is Intel 82801GB/R (ICH7).
> 
> Have you tried non-AHCI mode?  Mine is glabel/newfs -L'ed so everything 
> just work after the change, but if you are using different configuration 
> then some fstab/others tweak would be necessary...
> 
> Cheers,

The BIOS did set it to AHCI mode, FreeBSD was installed 2.5 years ago,
the disk was never partitioned again after that. I reset it to ATA mode
in BIOS, and the machine boots again.

Thanks,