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Date:      Tue, 29 Dec 2015 22:19:40 +0800
From:      Kevin Lo <kevlo@FreeBSD.org>
To:        Hans Petter Selasky <hselasky@FreeBSD.org>
Cc:        Daniel Braniss <danny@cs.huji.ac.il>, freebsd-wireless@FreeBSD.org, freebsd-arm@freebsd.org, freebsd-current@FreeBSD.org
Subject:   Re: D-link wireless not detected
Message-ID:  <20151229141940.GA16117@ns.kevlo.org>
In-Reply-To: <5682927B.6020704@selasky.org>
References:  <382E50DE-7B65-4469-9851-8F28A335096C@cs.huji.ac.il> <5682580B.30107@selasky.org> <346C6669-E51E-498F-8AD0-C294F70B441D@cs.huji.ac.il> <56825E74.3050609@selasky.org> <1EC3E6CB-5031-46F3-A3AD-329DB1FDC882@cs.huji.ac.il> <56827D08.2070602@selasky.org> <B5DF789A-E119-4A1F-A78F-5406BF6EE670@cs.huji.ac.il> <5682801B.6020404@selasky.org> <EBBD1DEB-6473-4848-9F0D-856586560AC9@cs.huji.ac.il> <5682927B.6020704@selasky.org>

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On Tue, Dec 29, 2015 at 03:02:35PM +0100, Hans Petter Selasky wrote:
> On 12/29/15 14:00, Daniel Braniss wrote:
> >
> >> On 29 Dec 2015, at 14:44, Hans Petter Selasky <hps@selasky.org> wrote:
> >>
> >> On 12/29/15 13:36, Daniel Braniss wrote:
> >>>
> >>
> >> Until /etc/devd/usb.conf is regenerated, you'll need to manually load the kernel module for urtwn. Did you do that?
> >>
> >> --HPS
> >>
> > ok, set if_urtwn_load=yes
> > and now I get:
> >
> > ugen0.4: <Realtek> at usbus0
> > urtwn0: <Wireless N Nano USB Adapter> on usbus0
> > urtwn0: could not allocate USB transfers, err=USB_ERR_NO_PIPE
> > Fatal kernel mode data abort: 'Translation Fault (L1)' on write
> > trapframe: 0xda29fb88
> > FSR=00000805, FAR=00000000, spsr=60000013
> > r0 =00000000, r1 =00000000, r2 =c0a72cb0, r3 =00000165
> > r4 =c2cd0000, r5 =c0a86650, r6 =c2cd1a80, r7 =00000000
> > r8 =c2cd1dd8, r9 =c2cd1a20, r10=c2a85dd0, r11=da29fc20
> > r12=00000000, ssp=da29fc18, slr=00000004, pc =c0a3f7cc
> >
> > [ thread pid 13 tid 100045 ]
> > Stopped at      ieee80211_ifdetach+0x4c:        str     r0, [r1]
> > db>
> >
> > btw, as long as you are willing to help, I will keep testing,
> > in other words, i’m ok.
> 
> Hi Andriy,
> 
> Can you fix the crash above and verify this error patch?
> 
> Andriy:
> 
> After:
>          usbd_transfer_unsetup(sc->sc_xfer, URTWN_N_TRANSFER);
> There is no need for:
> 	usbd_transfer_drain(sc->sc_xfer[x]);

As I mentioned previously we don't support rtl8192eu.  One difference 
between those is the the number of endpoints and its addresses.

> --HPS



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