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

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

The following reply was made to PR kern/37866; it has been noted by GNATS.

From: "Steven M. Bellovin" <smb%cs.columbia.edu@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: jmcneill%invisible.ca@localhost, 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: Fri, 25 Jan 2008 03:35:48 +0000

 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