Re: Linux 2.4.21-rc3 : IDE pb on Alpha

[Willy Tarreau (willy@w.ods.org)]

On Mon, May 26, 2003 at 11:37:04PM -0400, Jason Papadopoulos wrote:
 
> I have the same system and run into the same problems here. The HD is a
> Fujitsu MPD3108AT (10GB ATA33/66 drive, what the machine shipped with)
> on hda. Even with the 2.4.21-rc4 kernel, the machine will not boot beyond
> the "attached ide-disk driver" message if IDE DMA is compiled in.
> 
> Whatever's going wrong doesn't require an older drive to show up.

I could finally enable DMA, only if I do it at run time :
  - enable "Generic PCI bus master DMA support"
  - disable "Use PCI DMA by default when available"
  - hdparm -d 1 /dev/every_disk

I realized that a "idex=nodma" option is really lacking here. Shouldn't we
disable IDE by default on Alpha at the moment, so that it at least boots ?
The adventurous could always use hdparm to enable it again (it survived my
39 GB save/restore).

Regards,
Willy
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