Re: alan@redhat.com: Linux 2.4.20-pre7-ac2 - How's the IDE thing coming?

Alan Cox (alan@redhat.com)
Thu, 19 Sep 2002 12:55:15 -0400 (EDT)


> In terms of IDE reliability - how would you rate it? Is it 'safe' again,
> or is the IDE thing still shaping up?

Im cautiously trusting it. I use it for day to day work but I do have
backups.

- PIO mode has performance problems, especially hdparm -u0
- There are some crash corner cases left on load/unloads somewhere
- pcmcia hangs on card eject
- PIO taskfile write causes lots of missed IRQ but doesnt seem to lose
data
- Something isnt 100% with the serverworks "dont UDMA on OSB4" logic
- Simplex controllers we dont run in DMA mode yet (mostly shows up on ALi)

-
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