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 1Fztlw-000703-Il for garchives@archives.gentoo.org; Mon, 10 Jul 2006 11:17:53 +0000 Received: from robin.gentoo.org (localhost [127.0.0.1]) by robin.gentoo.org (8.13.7/8.13.6) with SMTP id k6ABGfeU000884; Mon, 10 Jul 2006 11:16:41 GMT Received: from mail.gmx.net (mail.gmx.net [213.165.64.21]) by robin.gentoo.org (8.13.7/8.13.6) with SMTP id k6ABAwDk000262 for ; Mon, 10 Jul 2006 11:10:59 GMT Received: (qmail invoked by alias); 10 Jul 2006 11:10:58 -0000 Received: from p5087B4F7.dip0.t-ipconnect.de (EHLO tapa) [80.135.180.247] by mail.gmx.net (mp029) with SMTP; 10 Jul 2006 13:10:58 +0200 X-Authenticated: #18939516 Received: by tapa (sSMTP sendmail emulation); Mon, 10 Jul 2006 13:10:47 +0200 Date: Mon, 10 Jul 2006 13:10:47 +0200 From: Andreas Burghardt To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] Re: DMA for /dev/cdrom ? Message-ID: <20060710111047.GA4856@tapa> 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-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.11 X-Y-GMX-Trusted: 0 X-Archives-Salt: f3f0d7b5-9eee-4335-a404-137678fb045a X-Archives-Hash: 5f90222fe8e0b336e5298c559691b68c On Mon, Jul 10, 2006 at 12:38:47PM +0200, Anno v. Heimburg wrote: > 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. tapa ~ # hdparm -i /dev/hdc /dev/hdc: Model=HL-DT-ST DVD-RW GWA-4082N, FwRev=CB03, SerialNo=4CA07617AFA8 Config={ Fixed Removeable DTR<=5Mbs DTR>10Mbs nonMagnetic } RawCHS=0/0/0, TrkSize=0, SectSize=0, ECCbytes=0 BuffType=unknown, BuffSize=0kB, MaxMultSect=0 (maybe): CurCHS=0/0/0, CurSects=0, LBA=yes, LBAsects=0 IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120} PIO modes: pio0 pio1 pio2 pio3 pio4 DMA modes: mdma0 mdma1 mdma2 UDMA modes: udma0 udma1 *udma2 AdvancedPM=no Drive conforms to: ATA/ATAPI-5 T13 1321D revision 3: ATA/ATAPI-2 ATA/ATAPI-3 ATA/ATAPI-4 ATA/ATAPI-5 * signifies the current active mode Hmm, I see AdvancedPM=no ...? Before I changed to Gentoo-Linux I was using Ubuntu. If I copied files from the cdrom it was _very_ FAASST ... but now ... Thx for your help! > > > 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 > -- "Dan ketika Guru Isa mendengar derap sepatu datang ke pintu kamar mereka, dia merasa damai dengan rasa takutnya yang timbul. Dia tahu teror mereka tidak akan bisa menyentuhnya lagi. Dia telah bebas." (Mochtar Lubis, "Jalan Tak Ada Ujung", 1952) -- gentoo-user@gentoo.org mailing list