kern/127250: Kerneltrap 12 with atacontrol

[Matthias Meyser]

>Number:         127250
>Category:       kern
>Synopsis:       Kerneltrap 12 with atacontrol
>Confidential:   no
>Severity:       serious
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Sep 09 14:50:03 UTC 2008
>Closed-Date:
>Last-Modified:
>Originator:     Matthias Meyser
>Release:        FreeBSD 7.1-PRERELEASE from Fri Sep  5
>Organization:
XeNET GmbH
>Environment:
FreeBSD server.lan.home.intern 7.1-PRERELEASE FreeBSD 7.1-PRERELEASE #0: Fri Sep  5 17:32:06 CEST 2008     root at intserv0.intern:/usr/obj/usr/src/sys/INSTALL  i386
>Description:
íf you use the following commands on an unused atachannel you get an Fatal kernel Trap 12

atacontrol detach ata1
atacontrol reinit ata1

testet with ata1 <AMD CS5536 UDMA100 controller> build in controller
of a soekris net5501 an ata2/3/4/5 <Promise PDC40718 SATA300 controller>
card in PCI slot.

btw. promise controller detects no disc. testet with 3 discs.


>How-To-Repeat:

>Fix:


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