i386/109423: ICH5 smb interface problems

[Dmitry S. Kirillov]

>Number:         109423
>Category:       i386
>Synopsis:       ICH5 smb interface problems
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-i386
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Feb 22 06:20:05 GMT 2007
>Closed-Date:
>Last-Modified:
>Originator:     Dmitry S. Kirillov
>Release:        6.2-STABLE
>Organization:
JSC Atrium Telecom
>Environment:
FreeBSD flygroup.ru 6.2-STABLE FreeBSD 6.2-STABLE #15: Tue Feb  6 14:22:03 NOVT 2007     root at flygroup.ru:/usr/obj/usr/src/sys/FLYGROUP  i386
>Description:
Motherboard: Intel D865PERL
Chipset: Intel 865òå (RG82865PE+FW82801ER(ICH5R))

[root at flygroup /usr/src/sys/dev/ichsmb]# dmesg|grep smb
ichsmb0: <Intel 82801EB (ICH5) SMBus controller> port 0xc800-0xc81f irq 17 at device 31.3 on pci0
ichsmb0: [GIANT-LOCKED]
smbus0: <System Management Bus> on ichsmb0
smb0: <SMBus generic I/O> on smbus0

However communication does not seem to work:

[root at flygroup ~]# smbmsg -p
Probing for devices on /dev/smb0:
Device @0x2e: rw
Device @0x32: rw
^C

ichsmb0: device timeout, status=0x41
ichsmb0: device timeout, status=0x41
ichsmb0: device timeout, status=0x41
ichsmb0: device timeout, status=0x41
ichsmb0: device timeout, status=0x41

[root at flygroup ~]# mbmon -S
No SMBus HWM available!!
InitMBInfo: Unknown error: 0

>How-To-Repeat:
--
>Fix:
--
>Release-Note:
>Audit-Trail:
>Unformatted: