Date: Wed, 02 Mar 2011 12:01:19 -0500 From: Etienne Robillard <erob@gthcfoundation.org> To: John Baldwin <jhb@freebsd.org> Cc: freebsd-current@freebsd.org, bschmidt@freebsd.org Subject: Re: urtw0: could not allocate USB transfers Message-ID: <4D6E77DF.1030605@gthcfoundation.org> In-Reply-To: <201103021147.50506.jhb@freebsd.org> References: <4D66C4CB.1060207@2egos.de> <201102251331.37589.bschmidt@freebsd.org> <4D6E699A.2020405@gthcfoundation.org> <201103021147.50506.jhb@freebsd.org>
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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, -- Etienne Robillard Company: Green Tea Hackers Club Occupation: Software Developer (and CEO) E-mail: erob@gthcfoundation.org Work phone: 450-936-2123 Website (Company): https://gthc.org/ Website (Blog): https://gthc.org/blog/ PGP public key fingerprint: F2A9 32EA 8E7C 460F 1728 A1A7 649C 7F17 A086 DDEC During times of universal deceit, telling the truth becomes a revolutionary act. -- George Orwell If a free society cannot help the many who are poor, it cannot save the few who are rich. -- John F. Kennedy
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