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Re: Microdrive on PCM-5822

From: Bryan Andersen <>
Date:

Doug Sutherland wrote:
> 
> Eric Laforest wrote:
> 
> [re problems booting microdrive from CF/IDE adapter]
> 
> > This sounds to me like a flaky IDE controller.
> > You should not be getting DMA errors at all.
> 
> Well, there are three facts that lead me to believe that
> this might not be the problem. Firstly, I never get these
> DMA timeouts with the laptop hard drives. Secondly I get
> the timeouts also with microdrive in the CF socket yet it
> boots and works fine. Thirdly if I boot from floppy with
> the microdrive on IDE I get the timeouts but it works fine.
> The timeouts only happen with microdrive and in all other
> cases aside from usage of the CF/IDE adapter it works
> after the third timeout. When using the CF/IDE adapter
> the kernel panics. Perhaps it needs some kprozac <g>

I wonder if it's happening just after writes?  Writes on 
flash type devices take time.  Much longer than regular 
HDs.  The kernel could be interpreting the busy state 
wrong and going into a timeout.

-- 
|  Bryan Andersen   |      |   http://softail.visi.com   |
| Buzzwords are like annoying little flies that deserve to be swatted. |
|   -Bryan Andersen                                                    |

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