[current] could not attach n900 (mass storage mode) at high speed

Hans Petter Selasky hselasky at c2i.net
Sun Mar 14 18:06:03 UTC 2010


On Sunday 14 March 2010 15:39:20 Andrey Kosachenko wrote:
> Hi,
> 
> There is a laptop carrying FreeBSD (9.0-current, built from fresh sources).
> Device (Nokia N900) is attached via USB interface. However the speed of
> data transfer is too low (~1.0 MB/s). I tried to attached it to Linux
> box and data was transferred at full speed (~ 25 MB/s)
> 
> Some relevant info (please, let me know if it's not sufficient):
> 
> uhci/ehci are compiled in.
> 

The port speed is decided by the EHCI Host Controller. You maybe want to 
enable HUB debugging messages:

sysctl hw.usb.uhub.debug=15

sysctl hw.usb.ehci.debug=8

--HPS


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