misc/110266: sis 3112 controler problem

[4ert]

>Number:         110266
>Category:       misc
>Synopsis:       sis 3112 controler problem
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Mar 13 12:50:04 GMT 2007
>Closed-Date:
>Last-Modified:
>Originator:     4ert
>Release:        6.2-RELEASE
>Organization:
>Environment:
FreeBSD <hostname> 6.2-RELEASE FreeBSD 6.2-RELEASE #0: Fri Jan 12 10:40:27 UTC 2007     root at dessler.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC  i386

>Description:
Good day.
Have a problem with writing to my disk. Have sis 3112 controler, maxtor sata 160 gb.
When a process writes data to disk (for example, "make install"), the dmesg gives mesage ad4: "TIMEOUT - WRITE_DMA retrying (1 retry left) LBA=217089031" and system hangs (stops for a while - 1 or 2 secs).
i've been looking for answers in internet, but havent  found any one, just description of this problem.
Thanks for possible advise.
>How-To-Repeat:

>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted: