Re: 2399p6: umount ramfs weirdness / proc/ide/via confused

From: Andre Hedrick (andre@linux-ide.org)
Date: Thu Apr 27 2000 - 11:13:09 EST


On Thu, 27 Apr 2000, Meino Christian Cramer wrote:

> Hi!
>
> Two different errors are to be reported with linux-2.3.99-pre6
>
> ------------------------------------------------------------------------------------
>
> First one:
> As configuration I have set:
>
> CONFIG_BLK_DEV_IDEDMA_PCI=y
> CONFIG_IDEDMA_PCI_AUTO=y
> CONFIG_BLK_DEV_IDEDMA=y
> CONFIG_IDEDMA_PCI_EXPERIMENTAL=y
> CONFIG_BLK_DEV_VIA82CXXX=y

CONFIG_VIA_TUNING is missing!

> ide0: BM-DMA at 0xffa0-0xffa7, BIOS settings: hda:DMA, hdb:pio <<<!!!

This only acknowledges that a bit is set in the DMA config space.

> ide0: VIA Bus-Master (U)DMA Timing Config Success
> ide1: BM-DMA at 0xffa8-0xffaf, BIOS settings: hdc:pio, hdd:pio
> ide1: VIA Bus-Master (U)DMA Timing Config Success
> hda: ST313032A, ATA DISK drive
> hdc: Pioneer DVD-ROM ATAPIModel DVD-103S 011, ATAPI CDROM drive
> ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
> ide1 at 0x170-0x177,0x376 on irq 15
> hda: 25434228 sectors (13022 MB) w/512KiB Cache, CHS=25232/16/63
> hdc: ATAPI DVD-ROM drive, 512kB Cache, (U)DMA
>
> This said me, that /dev/hda is running with DMA enabled...

No.

hda: 25434228 sectors (13022 MB) w/512KiB Cache, CHS=25232/16/63 UDMA

tells you DMA is running.

Procfs.........not again.........

Andre Hedrick
The Linux ATA/IDE guy

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