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Date: Mon, 17 Oct 2011 13:32:02 GMT
From: YOSHIHARU ITO <yochy4671@gmail.com>
To: freebsd-gnats-submit@FreeBSD.org
Subject: panic occurs when execute kldunload(ports multimedia/ptx-kmod).
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>Number:         161740
>Category:       ports
>Synopsis:       panic occurs when execute kldunload(ports multimedia/ptx-kmod).
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    hrs
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Oct 17 13:40:05 UTC 2011
>Closed-Date:    Sun Jan 08 20:40:21 UTC 2012
>Last-Modified:  Sun Jan 08 20:40:21 UTC 2012
>Originator:     YOSHIHARU ITO
>Release:        8.2-RELEASE/amd64
>Organization:
>Environment:
FreeBSD fusion 8.2-RELEASE FreeBSD 8.2-RELEASE #0: Thu Feb 17 02:41:51 UTC 2011     root@mason.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC  amd64
>Description:
The module file ptx.ko provided by ports multimedia/ptx-kmod contains
software bug.

bus_dmamem_free() has incorrect arguments, panic occurs when execute kldunload.

>How-To-Repeat:
1. install ports multimedia/ptx-kmod
2. kldload ptx.ko
3. kldunload ptx.ko

>Fix:
Please refer attached patch. See also the comments on the following pages.

http://d.hatena.ne.jp/bsdaemon/20110326

This patch contains other small improvement.


>Release-Note:
>Audit-Trail:
Responsible-Changed-From-To: freebsd-ports-bugs->hrs 
Responsible-Changed-By: edwin 
Responsible-Changed-When: Mon Oct 17 13:40:15 UTC 2011 
Responsible-Changed-Why:  
Over to maintainer (via the GNATS Auto Assign Tool) 

http://www.freebsd.org/cgi/query-pr.cgi?pr=161740 
State-Changed-From-To: open->closed 
State-Changed-By: hrs 
State-Changed-When: Sun Jan 8 20:39:36 UTC 2012 
State-Changed-Why:  
Committed the fix.  Please update your ports tree and try the latest version. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=161740 
>Unformatted:
