Date: Fri, 11 Apr 2008 23:53:47 GMT From: <aflist2@gmail.com> To: freebsd-gnats-submit@FreeBSD.org Subject: ports/122676: can't access dvd with any application that has been built by gcc4 Message-ID: <200804112353.m3BNrlHF046177@www.freebsd.org> Resent-Message-ID: <200804120000.m3C005OL001557@freefall.freebsd.org>
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>Number: 122676 >Category: ports >Synopsis: can't access dvd with any application that has been built by gcc4 >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: Sat Apr 12 00:00:05 UTC 2008 >Closed-Date: >Last-Modified: >Originator: >Release: RELENG_7 >Organization: >Environment: apr 5 7-stable, 32-bit i386 >Description: applications that access dvd (mplayer/ogle/vobcopy) fail with the following message: ata0: FAILURE - non aligned DMA transfer attempted acd0: setting up DMA failed acd0: FAILURE - REPORT_KEY ILLEGAL REQUEST asc=0x6f ascq=0x04 ata0: FAILURE - non aligned DMA transfer attempted acd0: setting up DMA failed ata0: FAILURE - non aligned DMA transfer attempted acd0: setting up DMA failed it occurs when the application has been compiled with gcc4. i also encountered this on 6.3 when compiling video applications with gcc42. rebuilding the affected applications with gcc34 works perfectly. >How-To-Repeat: attempt to play dvd with any software that has been built with gcc4. (oldest tried was 4.2.1 20070719, newest 4.2.4 20080326). all cause failure with same message. >Fix: workarounds: recompile affected programs with gcc34 switch off dma on drive with atacontrol mode acd0 PIO4 >Release-Note: >Audit-Trail: >Unformatted:
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