-CURRENT, EHCI, and the iPod

[Eric Anderson]

Julian Elischer wrote:
[..snip..]
>>Have you been able to successfully connect a USB 2 device to this controller?  
>>The behavior I've seen on a couple ICH4 boards is that the controller gets 
>>recognized fine and USB 1 devices work (through UHCI).   However, as soon as 
>>I connect a USB 2 device, I get the "controller halted" and "disabling port" 
>>messages.
> 
> 
> yes I have read a USB-2 flash 'keyring' drive at 54Mb/sec. well above
> the 12Mb/sec that USB1 is capable of..
> 
> 
> 
> 
> 
>>Tried to debug it but didn't have much luck.  I suspect it's some subtle 
>>timing bug or other weirdness with Intel's implementation. . .
>>
>>My two NEC-based ones work ok -- one PCI and one CardBus.  I do
>>sometimes have panics with umass, and occassionally the laptop
>>somehow loses all ability to deliver interrupts, to anything (almost
>>always when accessing the USB hard drive for the first time after a
>>reboot).
> 
> 
> Note this is with the MFC'd -stable code.

So it should work in -current then, right?

I'll build a new kernel with EHCI support and give it a try..

Eric


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Eric Anderson     Sr. Systems Administrator    Centaur Technology
Today is the tomorrow you worried about yesterday.
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