Wednesday, January 28, 2004 8:54:32 AM Try entering the following into your /boot/loader.conf file:
hw.ata.ata_dma=1 hw.ata.atapi_dma=1 hw.ata.wc=1 That solved the problem for me. Of course you will have to reboot after entering the commands. Gerard Seibert [EMAIL PROTECTED] ********** Reply Separator ********** On Tuesday, January 27, 2004 12:59:23 AM [EMAIL PROTECTED] wrote: Date: Fri, 16 Jan 2004 09:34:22 +0100 (CET) From: "Roman Kennke" <[EMAIL PROTECTED]> Subject: DMA problem with DVD drive To: <[EMAIL PROTECTED]> Message-ID: <[EMAIL PROTECTED]> Content-Type: text/plain; charset=iso-8859-1 Hi there, I am not able to enable DMA for my DVD drive. When I issue 'atacontrol mode 1 UDMA100 XXX' and access the drive, first the drive access hangs, and after a view seconds the machine locks up completely. This also hold true for all other DMA modes. I am running FreeBSD 5.2 on a Fujitsu-Siemens Amilo A Notebook. I would send more info about the ATA/IDE controller, and the error messages but I don't know, how to get to this info. BTW: I know that DMA works for this drive. I have got it working at least with linux 2.4.22, althought I also had alot of DMA problems with other versions, so I suspect the hardware (controller) is flakey. Any help is appreciated. Here follows some output from dmesg: moonlight# dmesg | grep ata atapci0: <AcerLabs Aladdin UDMA100 controller> port 0xa000-0xa00f at device 4.0 on pci0ata0: at 0x1f0 irq 14 on atapci0 ata0: [MPSAFE] ata1: at 0x170 irq 15 on atapci0 ata1: [MPSAFE] ad0: 28615MB <FUJITSU MHR2030AT> [58140/16/63] at ata0-master UDMA100 acd0: CDRW <TOSHIBA DVD-ROM SD-R2212> at ata1-master PIO4 Ciao, Roman _______________________________________________ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"