Re: EHCI working?

[Michael Neumann <mneumann@xxxxxxxx>]

Simon 'corecode' Schubert wrote:
> Hey,
>
> could it be that EHCI is not working correctly?  On my desktop I get irq 
> 3 interrupt livelocks when loading EHCI (actually it is on/off 
> livelocking).  On my laptop it seems to load okay, but then transferring 
> data to my new mp3 player is slow, basically around 1MB/sec.  In dmesg, 
> cam writes something about "Down reving Protocol Version from 2 to 0?", 
> but I don't know what that means.  Does anybody have a working EHCI setup?

Hm, last time I tried, it was pretty slow. Could you try booting with
tunable hw.usb.hack_defer_exploration set to 0 (see [1]). Does this make
any difference?

Regards,

  Michael

[1]:
http://www.dragonflybsd.org/cvsweb/src/sys/bus/usb/usb.c?rev=1.49&content-type=text/x-cvsweb-markup