i386/79833: BTX crashes on boot when using Promise TX2Plus SATA controller (PDC20375 )

[Atanas Draganov]

>Number:         79833
>Category:       i386
>Synopsis:       BTX crashes on boot when using Promise TX2Plus SATA controller (PDC20375 )
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-i386
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Apr 12 19:30:17 GMT 2005
>Closed-Date:
>Last-Modified:
>Originator:     Atanas Draganov
>Release:        5.4-RC2
>Organization:
>Environment:
"uname -a" is unavailable, the system hangs before loading of the kernel.
CPU: Atlon 2500+; Motherboard: AOpen AK79-400Max with Promise SATA controller PDC20375 onboard; Chipset: NForce2; HDD: Seagate ST320082 SATA drive; ATAPI CDROM

>Description:
     When booting from CD, BTX halts with the following output:

CD Loader 1.2

Building the boot loader arguments
Looking up /BOOT/LOADER... Found
Relocating the loader and the BTX
Starting the BTX loader

BTX loader 1.00 BTX version is 1.01
Console: internal video/keyboard

BIOS CD is cd0
BIOS drive A: is disk0

int=0000000d err=00003ec8 efl=00010046 eip=0000925b
eax=00000000 ebx=00000000 ecx=0000feff edx=0000fe01
esi=0000000c edi=00000000 ebp=00000000 esp=000017e0
cs=0008 ds=0010 es=0000 fs=0000 gs=0000 ss=0010

cs:eip=1F 0F A1 0F A9 CF FC 6A-10 1F 6O 89 E5 0F B7 7D
	 2C C1 E7 04 8B 75 28 01-FE 31 C9 B1 02 31 C0 AC

ss:esp=CA 3E 00 00 00 00 00 00-00 00 00 00 00 00 00 00
       00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00

>How-To-Repeat:
      Boot 5.4-RC2 (5.2.1 or avobe) on the specified hardware configuration. The system works fine with Slackware Linux 10.1.0

>Fix:
      Boot from floppy disks ;-)
>Release-Note:
>Audit-Trail:
>Unformatted: