Ok, there's more to this than I initially thought.

A few days ago I bought a traxdata pendrive. Things started acting
weird and I discovered that i twas defective. I can tell if it's a
coincidence, but my USB ports (or the in-board USB controller, who
knows) are fried (they still work with an old pendrive, though, for
some reason).

While doing some tests I plugged in a pci usb hub, and now I tried
redoing everything with the card reader on a port from that pci card.
So, I will post the relevant details because now the commands do work
as expected.

# lsusb
[...]
Bus 006 Device 002: ID 1307:0361 Transcend Information, Inc. CR-75:
51-in-1 Card Reader/Writer

# dmesg
[...]
[51197.816427] <30>udev[23485]: starting version 167
[51808.601560] usb 6-4: new high speed USB device using ehci_hcd and address 2
[51808.725303] usb 6-4: config 1 interface 1 altsetting 0 bulk
endpoint 0x5 has invalid maxpacket 16
[51808.725313] usb 6-4: config 1 interface 1 altsetting 0 bulk
endpoint 0x86 has invalid maxpacket 16
[51808.939746] usb 6-4: New USB device found, idVendor=1307, idProduct=0361
[51808.939755] usb 6-4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[51808.939762] usb 6-4: Product: MultiCard Device
[51808.939767] usb 6-4: Manufacturer: Generic
[51808.939771] usb 6-4: SerialNumber: 000000000000100
[51808.940426] scsi10 : usb-storage 6-4:1.0
[51809.956115] scsi 10:0:0:0: Direct-Access     Generic  USB SD Reader
   0.00 PQ: 0 ANSI: 2
[51809.956650] sd 10:0:0:0: Attached scsi generic sg10 type 0
[51809.975615] scsi 10:0:0:1: Direct-Access     Generic  microSD
Reader   0.00 PQ: 0 ANSI: 2
[51809.976054] sd 10:0:0:1: Attached scsi generic sg11 type 0
[51809.995105] scsi 10:0:0:2: Direct-Access     Generic  USB MS Reader
   0.00 PQ: 0 ANSI: 2
[51809.995515] sd 10:0:0:2: Attached scsi generic sg12 type 0
[51810.014989] scsi 10:0:0:3: Direct-Access     Generic  USB xD Reader
   0.00 PQ: 0 ANSI: 2
[51810.015410] sd 10:0:0:3: Attached scsi generic sg13 type 0
[51810.016238] sd 10:0:0:2: [sdk] Attached SCSI removable disk
[51810.018231] sd 10:0:0:0: [sdi] Attached SCSI removable disk
[51810.020341] sd 10:0:0:1: [sdj] Attached SCSI removable disk
[51810.021089] sd 10:0:0:3: [sdl] Attached SCSI removable disk


====================

And now, in ccid source dir, I run src/parse (with -p), the
interesting info is this:


Parsing USB bus/device: 1307:0361 (bus 6, device 2)
 idVendor:  0x1307  iManufacturer: Generic
 idProduct: 0x0361  iProduct: MultiCard Device
  Found a CCID/ICCD device at interface 1
 idVendor: 0x1307
  iManufacturer: Generic
 idProduct: 0x0361
  iProduct: MultiCard Device
 bcdDevice: 1.00 (firmware release?)
 bLength: 9
 bDescriptorType: 4
 bInterfaceNumber: 1
 bAlternateSetting: 0
 bNumEndpoints: 3
  bulk-IN, bulk-OUT and Interrupt-IN
 bInterfaceClass: 0xFF
  NOT A CCID DEVICE
  Class is 0xFF (proprietary)
 bInterfaceSubClass: 3
  UNSUPPORTED SubClass
 bInterfaceProtocol: 96
  UNSUPPORTED InterfaceProtocol
 iInterface: ?

  NOT A CCID DEVICE



I am not sure on how to interpret that. Is there a way to make this
card reader work with ccid or should I be looking elsewhere or buying
another reader?

Thanks again, and sorry for all the noise above, but there has been a
confluence of factors that completely disoriented me.
-- 
Jesús Guerrero Botella

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