Clandestine USB SD card slot

George Mitchell george at m5p.com
Sun Oct 16 13:26:44 UTC 2016


Whoops, I should send this to freebsd-stable instead of freebsd-usb.
Sorry!                                                     -- George

On 10/16/16 09:22, George Mitchell wrote:
> On 10/15/16 23:10, Anthony Jenkins wrote:
>> On 10/15/16 18:28, George Mitchell wrote:
>>> FreeBSD 10.3-RELEASE-p7 #0: Thu Aug 11 18:38:15 UTC 2016
>>> Acer Aspire E15
>>> There is a slot on the front of this laptop which sure looks like an
>>> SD card slot, which I hope corresponds to one of these:
>>>
>>> ugen1.1: <EHCI root HUB AMD> at usbus1, cfg=0 md=HOST spd=HIGH (480Mbps)
>>> pwr=SAVE (0mA)
>>> ugen0.1: <XHCI root HUB 0x1022> at usbus0, cfg=0 md=HOST spd=SUPER
>>> (5.0Gbps) pwr=SAVE (0mA)
>>> ugen2.1: <EHCI root HUB AMD> at usbus2, cfg=0 md=HOST spd=HIGH (480Mbps)
>>> pwr=SAVE (0mA)
>>> ugen1.2: <product 0x7900 vendor 0x0438> at usbus1, cfg=0 md=HOST
>>> spd=HIGH (480Mbps) pwr=SAVE (100mA)
>>> ugen2.2: <product 0x7900 vendor 0x0438> at usbus2, cfg=0 md=HOST
>>> spd=HIGH (480Mbps) pwr=SAVE (100mA)
>>> ugen0.2: <product 0x10b8 vendor 0x1058> at usbus0, cfg=0 md=HOST
>>> spd=SUPER (5.0Gbps) pwr=ON (224mA)
>>> ugen1.3: <Generic USB Hub ALCOR> at usbus1, cfg=0 md=HOST spd=FULL
>>> (12Mbps) pwr=SAVE (100mA)
>>> ugen2.3: <product 0x2970 vendor 0x06cb> at usbus2, cfg=0 md=HOST
>>> spd=FULL (12Mbps) pwr=ON (100mA)
>>> ugen1.4: <USB OPTICAL MOUSE vendor 0x0101> at usbus1, cfg=0 md=HOST
>>> spd=LOW (1.5Mbps) pwr=ON (100mA)
>>> ugen1.5: <USB 2.0 Hub vendor 0x1a40> at usbus1, cfg=0 md=HOST spd=FULL
>>> (12Mbps) pwr=SAVE (100mA)
>>> ugen1.6: <E-MU XMidi1X1 Tab E-MU Systems,Inc.> at usbus1, cfg=0 md=HOST
>>> spd=FULL (12Mbps) pwr=ON (100mA)
>>> ugen1.7: <product 0x300b vendor 0x04ca> at usbus1, cfg=0 md=HOST
>>> spd=FULL (12Mbps) pwr=ON (100mA)
>>> ugen1.8: <HD WebCam NC.21411.02W44504122LM0007> at usbus1, cfg=0 md=HOST
>>> spd=HIGH (480Mbps) pwr=ON (500mA)
>>>
>>> But inserting a card into the slot produces no results, even with
>>> sysctl hw.usb.umass.debug=1 hw.usb.ugen.debug=1 hw.usb.dev.debug=1.
>>> (sysctl hw.usb.debug=1 produces way too much output all the time.)
>>> Any suggestions on how I can get this slot to overcome its shyness?
>>> (I am not subscribed to the list; please CC me.)          -- George
>> Your card reader is probably on the PCI bus (and likely not supported by
>> FreeBSD); I couldn't find any of your USB Pid:Vids as card readers.
>>
>> [ajenkins at ajenkins-hplaptop ~]$ pciconf -lv
>> ...
>> none2 at pci0:3:0:0:       class=0xff0000 card=0x1995103c chip=0x522910ec
>> rev=0x01 hdr=0x00
>>     vendor     = 'Realtek Semiconductor Co., Ltd.'
>>     device     = 'RTS5229 PCI Express Card Reader'
>>
>> Anthony Jenkins
>>
> Ah!  It didn't occur to me to run pciconf.  "pciconf -lv" shows this:
> 
> sdhci_pci0 at pci0:0:20:7:	class=0x080501 card=0x08651025 chip=0x78131022
> rev=0x01 hdr=0x00
>     vendor     = 'Advanced Micro Devices, Inc. [AMD]'
>     device     = 'FCH SD Flash Controller'
>     class      = base peripheral
>     subclass   = SD host controller
> 
> So not only is it (apparently) recognized, but the sdhci_pci driver
> attached to it!  But inserting or removing a card shows no activity.
> What's my next step?                                      -- George
> 



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