amd64/144376: continuous reboot on motherboards with ATI SB7xx controller and RAID enabled

[John Baldwin]

The following reply was made to PR amd64/144376; it has been noted by GNATS.

From: John Baldwin <jhb at freebsd.org>
To: freebsd-amd64 at freebsd.org
Cc: Luigi Italiano <luigiitaliano at libero.it>,
 freebsd-gnats-submit at freebsd.org
Subject: Re: amd64/144376: continuous reboot on motherboards with ATI SB7xx controller and RAID enabled
Date: Mon, 1 Mar 2010 10:08:53 -0500

 On Sunday 28 February 2010 4:52:40 pm Luigi Italiano wrote:
 > 
 > >Number:         144376
 > >Category:       amd64
 > >Synopsis:       continuous reboot on motherboards with ATI SB7xx controller 
 and RAID enabled
 > >Confidential:   no
 > >Severity:       serious
 > >Priority:       medium
 > >Responsible:    freebsd-amd64
 > >State:          open
 > >Quarter:        
 > >Keywords:       
 > >Date-Required:
 > >Class:          sw-bug
 > >Submitter-Id:   current-users
 > >Arrival-Date:   Sun Feb 28 22:00:02 UTC 2010
 > >Closed-Date:
 > >Last-Modified:
 > >Originator:     Luigi Italiano
 > >Release:        8.0-RELEASE; 9.0_CURRENT
 > >Organization:
 > >Environment:
 > >Description:
 > When try to boot from the DVD, the system stop just after the BTX load and 
 reboot.
 > 
 > This happens to motherboard with AMD/ATI SB700 or SB750 chipset, just when 
 the onboard RAID controller is enabled. IDE and AHCI mode are ok.
 > The same problem appears with DragonFlyBSD 2.4.1.
 > FreeBSD/i386, NetBSD and OpenBSD have no problem, as Linux and Windows.
 
 Can you provide more details about what is on the screen when it dies?  Do you 
 get far enough to get to a loader prompt?  Can you possibly get a screen 
 capture before it resets?
 
 -- 
 John Baldwin