amd64/74608: mpt hangs 5 minutes when booting

[wkwu.amd64 at csie.nctu.edu.tw]

>Number:         74608
>Category:       amd64
>Synopsis:       mpt hangs 5 minutes when booting
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-amd64
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Dec 02 08:20:28 GMT 2004
>Closed-Date:
>Last-Modified:
>Originator:     Wei-Kai Wu
>Release:        FreeBSD 5.3-STABLE amd64
>Organization:
Kavalan
>Environment:
LSILogic 1030 SCSI controller with amd64 box
>Description:
The booting process hangs about 5 minutes on mpt driver.
If I turn the LSILogic 1030 SCSI controller off in the BIOS ,
it boots quickly. 
>How-To-Repeat:
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted: