I have also this problem on almost all my machines .. the only solution I found is to disable DMA (atapi_dma), but then performances are very poor .. If you find a solution please let us know :)
On Wed, 2008-06-04 at 19:13 +1000, Jerahmy Pocott wrote: > Hello, > > I'v been having problems getting this DVD drive working at all, I'm > running on 6.3 p1.. > > On boot it is detected as: > acd0: DMA limited to UDMA33, controller found non-ATA66 cable > acd0: DVDR <ATAPI DVD A DH20A4P/9P57> at ata0-master UDMA33 > > Which is the first sign of trouble, it is connected by an ATA66 > capable cable and I'v tried swapping over the cable to rule out a > faulty cable and the message is the same. > > It is connected to: > atapci0: <Intel ICH6 UDMA100 controller> port > 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xffa0-0xffaf irq 16 at device > 31.1 on pci0 > ata0: <ATA channel 0> on atapci0 > ata1: <ATA channel 1> on atapci0 > > > When trying to use burncd on it, the drives light flashes for a while > then after a delay I get: > acd0: FAILURE - READ_TRACK_INFO ILLEGAL REQUEST asc=0x24 ascq=0x00 > > On the console and any further attempt to use the drive results in > that message being repeated without any delay, also trying to use the > atapiscsi device results in a similar message: > acd0: FAILURE - INQUIRY ILLEGAL REQUEST asc=0x24 ascq=0x00 > > > Any thoughts on what problem here is? It seems that the controller > isn't working properly with it? > > Cheers, > J. > _______________________________________________ > email@example.com mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "[EMAIL PROTECTED]" -- Julien Cigar Belgian Biodiversity Platform http://www.biodiversity.be Université Libre de Bruxelles (ULB) Campus de la Plaine CP 257 Bâtiment NO, Bureau 4 N4 115C (Niveau 4) Boulevard du Triomphe, entrée ULB 2 B-1050 Bruxelles Mail: [EMAIL PROTECTED] @biobel: http://biobel.biodiversity.be/person/show/471 Tel : 02 650 57 52 _______________________________________________ firstname.lastname@example.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"