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Subject: Re: D-link wireless not detected
To: Daniel Braniss <danny@cs.huji.ac.il>
References: <1BA8A509-38E0-4975-BD66-95D934D9E055@cs.huji.ac.il>
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Cc: Vladimir Botka <vbotka@gmail.com>, freebsd-arm@freebsd.org,
 freebsd-wireless@FreeBSD.org, freebsd-current@FreeBSD.org,
 Andriy Voskoboinyk <avos@FreeBSD.org>
From: Hans Petter Selasky <hps@selasky.org>
Message-ID: <5682927B.6020704@selasky.org>
Date: Tue, 29 Dec 2015 15:02:35 +0100
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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]);

--HPS