[Bug 7742] New: DMA not enabled for DVD

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Ubuntu | linux

           Summary: DMA not enabled for DVD
           Product: Ubuntu
           Version: unspecified
          Platform: Other
        OS/Version: other
            Status: NEW
          Severity: minor
          Priority: P2
         Component: linux
        AssignedTo: fabbione at ubuntu.com
        ReportedBy: dimosd at hotmail.com
         QAContact: kernel-bugs at lists.ubuntu.com


DMA is not automatically enabled for DVD (/dev/hdc), this causes skips on DVD
playback
-It is enabled for the hard disk
-It is enabled in Warty's 2.6.8.1 kernel and 2.6.10 on other linux distributions
(among them Debian)
-I can turn it on manually with hdparm and it works fine.
-This affects (at least) 2.6.10-k7-3 to -5

Chipset: KT400 on motherboard: Gigabyte GA-7VAX
I'm attaching the output of dmesg.

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