Date: Fri, 25 Feb 2011 13:31:37 +0100 From: Bernhard Schmidt <bschmidt@freebsd.org> To: erob@gthcfoundation.org Cc: freebsd-stable@freebsd.org Subject: Re: urtw0: could not allocate USB transfers Message-ID: <201102251331.37589.bschmidt@freebsd.org> In-Reply-To: <4D6796C0.6040402@gthcfoundation.org> References: <4D66C4CB.1060207@2egos.de> <201102251218.12664.bschmidt@freebsd.org> <4D6796C0.6040402@gthcfoundation.org>
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On Friday, February 25, 2011 12:47:12 Etienne Robillard wrote: > On 25/02/11 06:18 AM, Bernhard Schmidt wrote: > > On Friday, February 25, 2011 11:03:04 Etienne Robillard wrote: > > > >> On 25/02/11 04:11 AM, Bernhard Schmidt wrote: > >> > >>> 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? > >>> > >>> > >> Hi Bernard, > >> > >> For rt287x based cards, you can try using rt28700 chipset instead of > >> urtw0 on > >> FreeBSD 8. > >> > >> The former is not in the stable src tree, but could be retrieved from here: > >> > >> https://gthc.org/distfiles/freebsd/rt2870_fbsd8.tar.gz > >> > >> Any takers to make module rt28700 (if_rt2870) officially part of the > >> FreeBSD src tree? > >> > > I'm a bit confused now, shouldn't the rt2870 be supported by run(4)? On > > a site-note, this is Ralink chipset not a Realtek one. > > > > > > I believe this is a different implementation for RT8187 usb network > adapters than > run(4). However in my view I found urtw0 buggy, but would certainly take > a look at run(4) to > compare the results with wireless networking agaisnt the other driver > (rt28700). Yeah, urtw(4) has a few flaws.. - urtw(4): Realtek RTL8187B/RTL8187L - rum(4): Ralink RT2501/RT2601 - run(4): Ralink RT2700/RT2800/RT3000 So it seems the driver you've posted conflicts with run(4). From a quick glance at it, it seems to support 11n? If so, can I talk you into working on getting those bits merged? Thanks! -- Bernhard
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