Date: Thu, 3 Mar 2011 12:42:02 +0100 From: Hans Petter Selasky <hselasky@c2i.net> To: erob@gthcfoundation.org Cc: freebsd-current@freebsd.org, bschmidt@freebsd.org Subject: Re: urtw0: could not allocate USB transfers Message-ID: <201103031242.02741.hselasky@c2i.net> In-Reply-To: <4D6F7ADC.809@gthcfoundation.org> References: <4D66C4CB.1060207@2egos.de> <201103030845.09198.hselasky@c2i.net> <4D6F7ADC.809@gthcfoundation.org>
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On Thursday 03 March 2011 12:26:20 Etienne Robillard wrote: > On 03/03/11 02:45 AM, Hans Petter Selasky wrote: > >>>> 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 > > Hi, > > Thanks for the input. I realize the urtw(4) and the pseudo rt2870 drivers > may be missing a MODULE_DEPEND macro but this issue is not as annoying > than the repeated page faults happening when the card is trying > to reassociate itself with a router. Hi, Could you re-point me at one of those page faults, like DDB backtrace? You are using 9-current? --HPS > > I also noticed the same (random) page faults with the run(4) driver as > well but since I don't use a driver > requiring a external firmware to be loaded, I would prefer fixing the > errors in the generic > wireless code happening unconditionally with run(4), rt2870, and > possibly urtw(4). Plus, > a external firmware seems not necessary for using at least the TEW-644UB > wireless adapter! > > Cheers, > > Etienne
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