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

[Juan RP <juan%xtrarom.org@localhost>]

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

From: Juan RP <juan%xtrarom.org@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: kern/37866: Thinkpad T61 disk doesn't work in AHCI mode
Date: Fri, 25 Jan 2008 01:58:15 +0100

 On Fri, 25 Jan 2008 00:40:00 +0000 (UTC)
 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.
 
 Perhaps you would be able to build a livecd (with mklivecd obviously)
 and append a dmesg with ata/wd debugging turned on?
 
 -- 
 Juan Romero Pardines             The NetBSD Project
 http://plog.xtrarom.org/         NetBSD/pkgsrc news in Spanish
 http://mklivecd.xtrarom.org/     Make your own NetBSD Live CD/DVD!