kern/87371: Force unload snd_es137x cause panic.

Thu Oct 13 06:30:26 PDT 2005

>Number:         87371
>Category:       kern
>Synopsis:       Force unload snd_es137x cause panic.
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Oct 13 13:30:14 GMT 2005
>Closed-Date:
>Last-Modified:
>Originator:     Ricardo A. Reis
>Release:        FreeBSD 6.0Beta5
>Organization:
UNIFESP
>Environment:
FreeBSD myfreebsd.homeunix.org 6.0-BETA5 FreeBSD 6.0-BETA5 #0: Thu Oct  6 20:55:47 BRT 2005     root at myfreebsd.homeunix.org:/usr/obj/usr/src/sys/GENERIC  i386

>Description:
              When the sound resource is busy any attempt  to the unload snd_es137x driver cause panic, the simple force unload snd_es137x cause other panic
>How-To-Repeat:
mplayer teste.mp3 >/dev/null 2>&1 &  
            
kldunload -f snd_es137x

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