Re: bus_dmamap_sync() for uhci(4)

[Michael Lorenz <macallan%NetBSD.org@localhost>]

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Hello,

On Jun 16, 2008, at 16:34, Manuel Bouyer wrote:

> Any chance to try on your hardware with different USB devices, or  
> perhaps
> different USB controller ?

I put an ohci/ehci board into my O2, tried to newfs the USB disk and  
got the same problem as before - ended up with a filesystem without  
root directory. To see what exactly goes wrong I dd'ed half the disk  
with zeroes but that apparently worked fine, I couldn't find any  
garbage. Then I rewrote the disklabel, newfs - no problem, root  
directory exists. Right now I'm torturing the disk with bonnie++, no  
errors of any kind so far.
No idea why the errors disappeared after zeroing and rewriting the  
disklabel.

have fun
Michael

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