From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lists.gentoo.org ([140.105.134.102] helo=robin.gentoo.org) by nuthatch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1FztIW-0002sW-3w for garchives@archives.gentoo.org; Mon, 10 Jul 2006 10:47:28 +0000 Received: from robin.gentoo.org (localhost [127.0.0.1]) by robin.gentoo.org (8.13.7/8.13.6) with SMTP id k6AAjmGm014244; Mon, 10 Jul 2006 10:45:48 GMT Received: from smtp.gentoo.org (smtp.gentoo.org [140.211.166.183]) by robin.gentoo.org (8.13.7/8.13.6) with ESMTP id k6AAd57I000335 for ; Mon, 10 Jul 2006 10:39:06 GMT Received: from localhost (localhost [127.0.0.1]) by smtp.gentoo.org (Postfix) with ESMTP id 38A6064551 for ; Mon, 10 Jul 2006 10:39:05 +0000 (UTC) Received: from smtp.gentoo.org ([127.0.0.1]) by localhost (smtp.gentoo.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 09005-21 for ; Mon, 10 Jul 2006 10:39:03 +0000 (UTC) Received: from ciao.gmane.org (main.gmane.org [80.91.229.2]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.gentoo.org (Postfix) with ESMTP id 342F364289 for ; Mon, 10 Jul 2006 10:39:02 +0000 (UTC) Received: from list by ciao.gmane.org with local (Exim 4.43) id 1FztAE-0008CB-Bp for gentoo-user@gentoo.org; Mon, 10 Jul 2006 12:38:54 +0200 Received: from p54a352d1.dip.t-dialin.net ([84.163.82.209]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 10 Jul 2006 12:38:54 +0200 Received: from anno by p54a352d1.dip.t-dialin.net with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 10 Jul 2006 12:38:54 +0200 X-Injected-Via-Gmane: http://gmane.org/ To: gentoo-user@lists.gentoo.org From: "Anno v. Heimburg" Subject: [gentoo-user] Re: DMA for /dev/cdrom ? Date: Mon, 10 Jul 2006 12:38:47 +0200 Message-ID: References: <20060710100449.GA4683@tapa> Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@gentoo.org Reply-to: gentoo-user@lists.gentoo.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7Bit X-Complaints-To: usenet@sea.gmane.org X-Gmane-NNTP-Posting-Host: p54a352d1.dip.t-dialin.net User-Agent: KNode/0.10.2 Sender: news X-Virus-Scanned: amavisd-new at gentoo.org X-Spam-Status: No, score=-2.561 required=5.5 tests=[AWL=-0.039, BAYES_00=-2.599, TW_HD=0.077] X-Spam-Score: -2.561 X-Spam-Level: X-Archives-Salt: 4231437c-e78b-430d-9c75-431aaeeedade X-Archives-Hash: 7ce63dbd4038d701dff9b0b5b24b151a Hi Andreas! > I really like to use DMA for my cdrom/burner but I cant figure out how to > make it working! > tapa ~ # hdparm -d1 /dev/cdrom > /dev/cdrom: > setting using_dma to 1 (on) > HDIO_SET_DMA failed: Operation not permitted > using_dma = 0 (off) Two hints, perhaps they help - "hdparm -i $DEVICE" will display what the device can support - I would run hdparm on the physical device file, that is /dev/hdc, not on the cdrom-link. > Does anyone of you know if there is DMA support for this cdrom-drive It sounds like a plain old ATAPI drive, so should work with the generic stuff. No specific knowledge about your drive, though. Anno -- gentoo-user@gentoo.org mailing list