[ale] Disabling DMA at boot.

[Mike Panetta]

I believe the correct command is ide0=nodma.  Try that, atleast according to the docs its idex=dma when you want to turn it on, so I would imagine its the same way to disable it.


Mike

-------Original Message-------
From: Christopher Fowler <cfowler at outpostsentinel.com>
To: ale at ale.org
Sent: 03/24/03 02:03 PM
To: ale at ale.org
Subject: [ale] Disabling DMA at boot.

> 
> 
I'm trying the below lilo command line parameters to disable DMA on hda.

Kernel command line: auto BOOT_IMAGE=outpost ro root=107 ramdisk=32768
hda=nodma


But ..

hda: PQI IDE DiskOnModule, ATA DISK drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
hda: 64000 sectors (33 MB) w/1KiB Cache, CHS=500/8/16, DMA
Partition check:
 hda:hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hda: dma_intr: error=0x04 { DriveStatusError }
hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hda: dma_intr: error=0x04 { DriveStatusError }
hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hda: dma_intr: error=0x04 { DriveStatusError }
hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hda: dma_intr: error=0x04 { DriveStatusError }
hda: DMA disabled
ide0: reset: success
 hda1 hda2


The kernel still tries DMA.  Is there a urfire way to tell the kernel on
boot to not use DMA?



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