Date: Thu, 3 Mar 2011 08:45:09 +0100 From: Hans Petter Selasky <hselasky@c2i.net> To: freebsd-current@freebsd.org, erob@gthcfoundation.org Cc: bschmidt@freebsd.org Subject: Re: urtw0: could not allocate USB transfers Message-ID: <201103030845.09198.hselasky@c2i.net> In-Reply-To: <4D6E77DF.1030605@gthcfoundation.org> References: <4D66C4CB.1060207@2egos.de> <201103021147.50506.jhb@freebsd.org> <4D6E77DF.1030605@gthcfoundation.org>
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On Wednesday 02 March 2011 18:01:19 Etienne Robillard wrote: > On 02/03/11 11:47 AM, John Baldwin wrote: > > On Wednesday, March 02, 2011 11:00:26 am Etienne Robillard wrote: > >> On 02/25/2011 07:31, Bernhard Schmidt wrote: > >>> 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 > >>> X-UID: 10549 > >>> Status: > >>> X-Keywords: > >>> Content-Length: 0 > >> > >> I forwarded this thread on -current. > >> > >> Please also find below a stack trace produced with option KDB_UNATTENDED > >> for the rt28700 driver (if_rt28700). > >> > >> On another side note, I have not being able to load > >> the runfw firmware module anymore after having updated > >> the src tree for 8.2-STABLE ? > >> > >> $ sudo kldload /boot/kernel/runfw.ko > >> kldload: can't load /boot/kernel/runfw.ko: Exec format error > > > > Here is your real error in dmesg: > >> KLD runfw.ko: depends on firmware - not available or version mismatch > >> linker_load_file: Unsupported file type > > > > You need to kldload firmware.ko or make sure 'device firmware' is in your > > kernel config. > > Hi, > > Many thanks. This explains the change of behavior attempting to kldload > runfw.ko > without the firmware assist module. :) > > However I find strange that run(4) requires such a firmware to be preloaded > when the rt2870 driver doesn't require it! > > Cheers, Maybe that's due to a missing MODULE_DEPEND() line in the .c file of urtw0. --HPS
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