Por que meu leitor de cartões USB (Dell 2405FPW) não reconhece nenhuma mídia inserida?

Question

Meu monitor Dell (modelo 2405FPW) possui um leitor de cartão USB integrado reconhecido pelo Ubuntu 13.10, mas os cartões SD inseridos não são vistos. Ele costumava trabalhar com uma versão mais antiga do Ubuntu de 32 bits em um computador diferente, mas não com meu novo computador 13.10 de 64 bits.

Isso mostra que o Linux vê o leitor de cartões:

$ lsusb
Bus 002 Device 047: ID 0424:223a Standard Microsystems Corp. 8-in-1 Card Reader
Bus 002 Device 046: ID 0424:2504 Standard Microsystems Corp. USB 2.0 Hub
Bus 002 Device 045: ID 0424:2502 Standard Microsystems Corp.

Veja o que recebo em / var / log / syslog quando conecto um cartão SD ao leitor:

Feb  5 19:57:11 snorkack kernel: [379834.319439] usb 2-1.2.2: reset high-speed USB device number 47 using ehci-pci
Feb  5 19:57:11 snorkack kernel: [379834.463095] sd 20:0:0:3: Device offlined - not ready after error recovery

Aqui está / var / log / syslog quando conecto o cabo USB entre o monitor e o computador. Existem alguns erros, "hub_port_status failed (err = -71)", mas o googling não ajudou muito.

Feb  5 19:46:45 snorkack kernel: [379209.152114] usb 2-1.2: new high-speed USB device number 44 using ehci-pci
Feb  5 19:46:45 snorkack kernel: [379209.244291] usb 2-1.2: New USB device found, idVendor=0424, idProduct=2502
Feb  5 19:46:45 snorkack kernel: [379209.244296] usb 2-1.2: New USB device strings: Mfr=0, Product=0, SerialNumber=0
Feb  5 19:46:45 snorkack kernel: [379209.244721] hub 2-1.2:1.0: USB hub found
Feb  5 19:46:45 snorkack kernel: [379209.244890] hub 2-1.2:1.0: 2 ports detected
Feb  5 19:46:45 snorkack kernel: [379209.347802] hub 2-1.2:1.0: hub_port_status failed (err = -71)
Feb  5 19:46:45 snorkack kernel: [379209.352039] hub 2-1.2:1.0: hub_port_status failed (err = -71)
Feb  5 19:46:45 snorkack kernel: [379209.362445] hub 2-1.2:1.0: hub_port_status failed (err = -71)
Feb  5 19:46:45 snorkack kernel: [379209.366669] hub 2-1.2:1.0: hub_port_status failed (err = -71)
Feb  5 19:46:45 snorkack kernel: [379209.377167] hub 2-1.2:1.0: hub_port_status failed (err = -71)
Feb  5 19:46:45 snorkack kernel: [379209.381414] hub 2-1.2:1.0: hub_port_status failed (err = -71)
Feb  5 19:46:45 snorkack kernel: [379209.391912] hub 2-1.2:1.0: hub_port_status failed (err = -71)
Feb  5 19:46:45 snorkack kernel: [379209.396153] hub 2-1.2:1.0: hub_port_status failed (err = -71)
Feb  5 19:46:45 snorkack kernel: [379209.406645] hub 2-1.2:1.0: hub_port_status failed (err = -71)
Feb  5 19:46:45 snorkack kernel: [379209.410894] hub 2-1.2:1.0: hub_port_status failed (err = -71)
Feb  5 19:46:45 snorkack kernel: [379209.421232] hub 2-1.2:1.0: hub_port_status failed (err = -71)
Feb  5 19:46:45 snorkack kernel: [379209.425477] hub 2-1.2:1.0: hub_port_status failed (err = -71)
Feb  5 19:46:45 snorkack kernel: [379209.435870] hub 2-1.2:1.0: hub_port_status failed (err = -71)
Feb  5 19:46:45 snorkack kernel: [379209.440118] hub 2-1.2:1.0: hub_port_status failed (err = -71)
Feb  5 19:46:45 snorkack kernel: [379209.450609] hub 2-1.2:1.0: hub_port_status failed (err = -71)
Feb  5 19:46:45 snorkack kernel: [379209.454860] hub 2-1.2:1.0: hub_port_status failed (err = -71)
Feb  5 19:46:45 snorkack kernel: [379209.465348] hub 2-1.2:1.0: hub_port_status failed (err = -71)
Feb  5 19:46:45 snorkack kernel: [379209.466820] usb 2-1.2: USB disconnect, device number 44
Feb  5 19:46:45 snorkack kernel: [379209.469596] hub 2-1.2:1.0: hub_port_status failed (err = -71)
Feb  5 19:46:45 snorkack kernel: [379209.469602] hub 2-1.2:1.0: activate --> -19
Feb  5 19:46:46 snorkack kernel: [379209.671687] usb 2-1.2: new high-speed USB device number 45 using ehci-pci
Feb  5 19:46:46 snorkack kernel: [379209.763862] usb 2-1.2: New USB device found, idVendor=0424, idProduct=2502
Feb  5 19:46:46 snorkack kernel: [379209.763867] usb 2-1.2: New USB device strings: Mfr=0, Product=0, SerialNumber=0
Feb  5 19:46:46 snorkack kernel: [379209.764150] hub 2-1.2:1.0: USB hub found
Feb  5 19:46:46 snorkack kernel: [379209.764205] hub 2-1.2:1.0: 2 ports detected
Feb  5 19:46:46 snorkack kernel: [379210.035385] usb 2-1.2.1: new high-speed USB device number 46 using ehci-pci
Feb  5 19:46:46 snorkack kernel: [379210.127562] usb 2-1.2.1: New USB device found, idVendor=0424, idProduct=2504
Feb  5 19:46:46 snorkack kernel: [379210.127567] usb 2-1.2.1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
Feb  5 19:46:46 snorkack kernel: [379210.127847] hub 2-1.2.1:1.0: USB hub found
Feb  5 19:46:46 snorkack kernel: [379210.127904] hub 2-1.2.1:1.0: 4 ports detected
Feb  5 19:46:46 snorkack kernel: [379210.215240] usb 2-1.2.2: new high-speed USB device number 47 using ehci-pci
Feb  5 19:46:46 snorkack kernel: [379210.396718] usb 2-1.2.2: New USB device found, idVendor=0424, idProduct=223a
Feb  5 19:46:46 snorkack kernel: [379210.396723] usb 2-1.2.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
Feb  5 19:46:46 snorkack kernel: [379210.396726] usb 2-1.2.2: Product: USB2223
Feb  5 19:46:46 snorkack kernel: [379210.396729] usb 2-1.2.2: Manufacturer: SMSC
Feb  5 19:46:46 snorkack kernel: [379210.396732] usb 2-1.2.2: SerialNumber: 000223223223
Feb  5 19:46:46 snorkack kernel: [379210.396995] usb-storage 2-1.2.2:1.0: USB Mass Storage device detected
Feb  5 19:46:46 snorkack kernel: [379210.397199] scsi20 : usb-storage 2-1.2.2:1.0
Feb  5 19:46:46 snorkack mtp-probe: checking bus 2, device 47: "/sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2.2"
Feb  5 19:46:46 snorkack mtp-probe: bus: 2, device: 47 was not an MTP device
Feb  5 19:46:47 snorkack kernel: [379211.403444] scsi 20:0:0:0: Direct-Access     SMSC     223 U HS-CF      3.60 PQ: 0 ANSI: 0
Feb  5 19:46:47 snorkack kernel: [379211.406789] scsi 20:0:0:1: Direct-Access     SMSC     223 U HS-MS      3.60 PQ: 0 ANSI: 0
Feb  5 19:46:47 snorkack kernel: [379211.410181] scsi 20:0:0:2: Direct-Access     SMSC     223 U HS-SM      3.60 PQ: 0 ANSI: 0
Feb  5 19:46:47 snorkack kernel: [379211.413131] scsi 20:0:0:3: Direct-Access     SMSC     223 U HS-SD/MMC  3.60 PQ: 0 ANSI: 0
Feb  5 19:46:47 snorkack kernel: [379211.413520] sd 20:0:0:0: Attached scsi generic sg4 type 0
Feb  5 19:46:47 snorkack kernel: [379211.413773] sd 20:0:0:1: Attached scsi generic sg6 type 0
Feb  5 19:46:47 snorkack kernel: [379211.414004] sd 20:0:0:2: Attached scsi generic sg7 type 0
Feb  5 19:46:47 snorkack kernel: [379211.414267] sd 20:0:0:3: Attached scsi generic sg8 type 0
Feb  5 19:46:48 snorkack kernel: [379211.633165] sd 20:0:0:3: [sdg] Attached SCSI removable disk
Feb  5 19:46:48 snorkack kernel: [379211.644220] sd 20:0:0:2: [sdf] Attached SCSI removable disk
Feb  5 19:46:48 snorkack kernel: [379211.651224] sd 20:0:0:0: [sdc] Attached SCSI removable disk
Feb  5 19:46:48 snorkack kernel: [379211.662540] sd 20:0:0:1: [sde] Attached SCSI removable disk

Obrigado por qualquer insight.

    

Answer 1

Esta é uma hipótese: este leitor pode não suportar SDHC (vs. SD). Veja aqui para detalhes sobre a floresta escura de cartões SD e seus leitores (buggy). Se o seu cartão for maior que 2 GB, então é SDHC (e deve ser rotulado como tal).

Eu tenho o mesmo hardware exato e a mesma saída exata. Exceto que recebi os erros da porta USB e o erro "dispositivo off-line" apenas uma vez até o momento. Em ambos os casos, não há sinal de que o cartão está sendo reconhecido. Tentei dois cartões SDHC diferentes. Um leitor diferente (Kodak) na mesma máquina funciona bem.

    

Answer 2

O problema desapareceu quando atualizei para o Ubuntu 15.10.