kern/71645: System hangs when booting the kernel

[Wei-Kai.Wu at csie.nctu.edu.tw]

>Number:         71645
>Category:       kern
>Synopsis:       System hangs when booting the kernel
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sun Sep 12 12:40:15 GMT 2004
>Closed-Date:
>Last-Modified:
>Originator:     Wei-Kai Wu
>Release:        FreeBSD 5.3-BETA4 amd64
>Organization:
Kavalan
>Environment:
FreeBSD AMD64 5.3-BETA4 FreeBSD 5.3-BETA4 #1: Sun Sep 12 23:56:00 CST 2004     root@:/usr/obj/usr/src/sys/GENERIC  amd64

Tyan S2882 (with or without SCSI 7902) with dual Opteron 242

>Description:
The GENERIC kernel hangs when booting kernel at ata devices.
If we rebuild the kernel without ata* devices, it can boot.
>How-To-Repeat:
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted: