Re: kern/37866: Thinkpad T61 disk doesn't work in AHCI mode

["Steven M. Bellovin" <smb%cs.columbia.edu@localhost>]

On Fri, 25 Jan 2008 01:15:03 +0000 (UTC)
"Jared D. McNeill" <jmcneill%invisible.ca@localhost> wrote:

> The following reply was made to PR kern/37866; it has been noted by
> GNATS.
> 
> From: "Jared D. McNeill" <jmcneill%invisible.ca@localhost>
> To: gnats-bugs%NetBSD.org@localhost
> Cc: kern-bug-people%netbsd.org@localhost, gnats-admin%netbsd.org@localhost, 
>  netbsd-bugs%netbsd.org@localhost
> Subject: Re: kern/37866: Thinkpad T61 disk doesn't work in AHCI mode
> Date: Thu, 24 Jan 2008 20:13:59 -0500
> 
>  smb%cs.columbia.edu@localhost wrote:
>  >> Description:
>  >    Much of the time, if I boot my machine with the disk set
>  > in the BIOS to AHCI mode, it doesn't see the whole disk.  This
>  > causes errors in finding the NetBSD partition and the root
>  > partition, and if you persist you'll overwrite random parts of the
>  > disk, including things outside of what NetBSD should be touching.
>  > 
>  >    It is not 100% reproducbile.  In tests today, it didn't
>  > happen if I rebooted from power-off; it did happen if I
>  > warm-booted. This suggests a bug in the initialization code.
>  
>  Please confirm that you are running the latest firmware from Lenovo.
>  
I just updated -- I still see the problem.  


                --Steve Bellovin, http://www.cs.columbia.edu/~smb