I'll go order one and take a crack at it soon.

(I saw this when looking at the r92su and realtek linux drivers - they
do a whole bunch of extra endpoint gymnastics that we don't..)


-a


On 29 December 2015 at 06:19, Kevin Lo <ke...@freebsd.org> wrote:
> 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 <h...@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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