Date: Mon, 17 Oct 2011 13:32:02 GMT From: YOSHIHARU ITO <yochy4671@gmail.com> To: freebsd-gnats-submit@FreeBSD.org Subject: ports/161740: panic occurs when execute kldunload(ports multimedia/ptx-kmod). Message-ID: <201110171332.p9HDW2KL061996@red.freebsd.org> Resent-Message-ID: <201110171340.p9HDe6EI043745@freefall.freebsd.org>
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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: freebsd-ports-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Mon Oct 17 13:40:05 UTC 2011 >Closed-Date: >Last-Modified: >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: >Unformatted:
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