hdd with dma disabled
Bug #76911 reported by
Emmanuel Pacaud
This bug report is a duplicate of:
Bug #76804: initramfs above 0.85 does not detect sda....
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Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Incomplete
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Undecided
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Unassigned | ||
linux-source-2.6.20 (Ubuntu) |
Won't Fix
|
Undecided
|
Unassigned |
Bug Description
Binary package hint: linux-source-2.6.20
Since the last update to 2.6.20, my hard disks have dma disabled.
I've tried to use hdparm -d 1 /dev/hda, but this command fails.
I've noticed a difference between 2.6.20 and 2.6.19: now hard disk are mounted as /dev/hdx, instead of /dev/sdx previously.
If I boot with the 2.6.19 kernel, dma is enabled.
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I think I have the same problem. In 2.6.19 my PATA disk was seen as /dev/sda, now it's seen as /dev/hda (again). Also DMA is disabled.
I think DMA got disabled between 2.6.20-1-generic and2.6. 20-2-generic; I'm pretty sure it was enabled a week or two ago with a 2.6.20 kernel.
My IDE controller is:
00:0f.1 IDE interface: VIA Technologies, Inc. VT82C586A/ B/VT82C686/ A/B/VT823x/ A/C PIPC Bus Master IDE (rev 07)