Gracias por la información. Voy a inentar actualizar a JPY.
De todas formas comento que ahora desde Ubuntu tengo las dos sd montadas R/W, con lo cual se simplifica todo. Pasaré a la segunda parte, lo de SDK.
Aqui dejo el actual resultado de dmesg:
[19873.595856] usb 2-1.8: new high speed USB device using ehci_hcd and address 8
[19873.688588] usb 2-1.8: configuration #2 chosen from 1 choice
[19873.689257] scsi15 : SCSI emulation for USB Mass Storage devices
[19873.689501] usb-storage: device found at 8
[19873.689505] usb-storage: waiting for device to settle before scanning
[19878.677573] usb-storage: device scan complete
[19878.678500] scsi 15:0:0:0: CD-ROM Android UMS CD-ROM 00 PQ: 0 ANSI: 2
[19878.678996] scsi 15:0:0:1: Direct-Access SAMSUNG GT-I9000 0000 PQ: 0 ANSI: 2
[19878.679494] scsi 15:0:0:2: Direct-Access SAMSUNG GT-I9000 Card PQ: 0 ANSI: 2
[19878.683678] sr1: scsi3-mmc drive: 0x/0x caddy
[19878.683841] sr 15:0:0:0: Attached scsi CD-ROM sr1
[19878.685009] sr 15:0:0:0: Attached scsi generic sg9 type 5
[19878.685360] sd 15:0:0:1: Attached scsi generic sg10 type 0
[19878.685647] sd 15:0:0:2: Attached scsi generic sg11 type 0
[19878.689058] sd 15:0:0:1: [sdi] Attached SCSI removable disk
[19878.693363] sd 15:0:0:2: [sdj] Attached SCSI removable disk
[19934.528585] sd 15:0:0:2: [sdj] 15556608 512-byte logical blocks: (7.96 GB/7.41 GiB)
[19934.530071] sd 15:0:0:2: [sdj] Assuming drive cache: write through
[19934.534109] sd 15:0:0:2: [sdj] Assuming drive cache: write through
[19934.534116] sdj:
[19938.509371] sd 15:0:0:1: [sdi] 12124096 512-byte logical blocks: (6.20 GB/5.78 GiB)
[19938.515348] sd 15:0:0:1: [sdi] Assuming drive cache: write through
[19938.520221] sd 15:0:0:1: [sdi] Assuming drive cache: write through
[19938.520228] sdi:
Por cierto, sois todos formidables
Agustin