Date: Mon, 18 Feb 2008 11:25:08 GMT From: Andrew Muhametshin <inspirra@yandex.ru> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/120787: hardware troubles with atapicam and dvd Message-ID: <200802181125.m1IBP8va063412@www.freebsd.org> Resent-Message-ID: <200802181130.m1IBU1S6044481@freefall.freebsd.org>
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>Number: 120787 >Category: kern >Synopsis: hardware troubles with atapicam and dvd >Confidential: no >Severity: serious >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Mon Feb 18 11:30:01 UTC 2008 >Closed-Date: >Last-Modified: >Originator: Andrew Muhametshin >Release: FreeBSD-7.0-RC2 >Organization: >Environment: FreeBSD host01.localdomain 7.0-RC2 FreeBSD 7.0-RC2 #3: Mon Feb 18 09:30:32 MSK 2008 root@host01.localdomain:/usr/obj/usr/src/sys/HOST01 i386 >Description: There is a device: acd0: DVDR <TEAC DV-W516GDM/M4S2> at ata0-slave UDMA33 cd0: <TEAC DV-W516GDM M4S2> Removable CD-ROM SCSI-0 device After issuing the command: "mplayer -dvd-device /dev/cd0 dvd://" it hangs up just after it starts, log file (/var/log/messages) is flooded constantly: Feb 18 12:29:39 host01 kernel: ata0: FAILURE - non aligned DMA transfer attempted Feb 18 12:29:39 host01 kernel: acd0: setting up DMA failed Approximately two thousand records a second: $ egrep "Feb 18 12:29:39.+ata0: FAILURE.+DMA" /var/log/messages | wc -l 2202 mplayer process cannot be killed (kill -9). And only system restart can stop it. >How-To-Repeat: $ kldload atapicam # mplayer -dvd-device /dev/cd0 dvd:// >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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