urtw0: could not allocate USB transfers

Bernhard Schmidt bschmidt at freebsd.org
Fri Feb 25 09:11:27 UTC 2011

On Thursday, February 24, 2011 21:51:23 joseph wrote:
> Hello,
> i decided to get my laptop wlan via usb because my internal device isn't 
> supported yet.
> The usb device is a logilink WL0006 unit its vendorid is 0x0bda and the 
> productid says 0x8187.
> My search results say that this device depends on a RTL8187 chipset.
> I tried both, load the kernel module at boot time and compile kernel 
> withe urtw, but i get the same output at dmesg
> device_attach: urtw0 attach returned 6
> urtw0: <vendor 0x0bda product 0x8187, class 0/0, rev 2.00/2.00, addr 2> 
> on usbus3
> urtw0: could not allocate USB transfers, err=USB_ERR_NO_PIPE
> device_attach: urtw0 attach returned 6
> im running FreeBSD 8.1-RELEASE-p2 amd64.
> What might be the reason for this error?
> Thanks for all hints.

Well, I have no clue about USB.. but this smells like one of the
endpoints is 'not there'. At least I can't find any reference to
it in the Linux driver. Wanna give attached patch a shot?

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