Re: bus_dmamap_sync() for uhci(4)

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

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Hello,

On Jun 17, 2008, at 15:20, Michael Lorenz wrote:

> 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.

... and they came back. Unfortunately I can't test the uhci on  
sparc64 right now because someone borked  something in arch/sparc64  
again - MP kernels die with an Illegal Fast MMU Access again.

have fun
Michael

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