Antonio Olivares wrote: > If one enables hdparm DVD playback will not be jumpy, however when > applying hdparm I get > > [root@localhost ~]# hdparm -d1 /dev/cdrom > > /dev/cdrom: > setting using_dma to 1 (on) > HDIO_SET_DMA failed: Inappropriate ioctl for device > [root@localhost ~]# hdparm -d1 /dev/sr0 [...] > CPU goes to 99 - 100%, and playback of movie slows down > tremendously. How can I enable hdparm like the good old days, or is > there something else that can take care of that. I had this problem a long time ago. I solved it by adding hdc=noprobe to the kernel command in grub.conf. Others had success with libata.atapi_enabled=1. There is some info in the thinkwiki site about this that may be helpful to you: http://www.thinkwiki.org/wiki/Problems_with_SATA_and_Linux#No_DMA_on_DVD_drive -- Todd OpenPGP -> KeyID: 0xBEAF0CE3 | URL: www.pobox.com/~tmz/pgp ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Grant me the senility to forget the people I never liked anyway, the good fortune to run into the ones I do, and the eyesight to tell the difference.
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