USB SDCardReader hangs

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Hi All,

Here lsusb -v output:

Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Device Descriptor:
   bLength                18
   bDescriptorType         1
   bcdUSB               2.00
   bDeviceClass            9 Hub
   bDeviceSubClass         0 Unused
   bDeviceProtocol         0 Full speed (or root) hub
   bMaxPacketSize0        64
   idVendor           0x1d6b Linux Foundation
   idProduct          0x0002 2.0 root hub
   bcdDevice            3.00
   iManufacturer           3 Linux 3.0.0-13-generic ehci_hcd
   iProduct                2 EHCI Host Controller
   iSerial                 1 0000:00:1d.7
   bNumConfigurations      1
   Configuration Descriptor:
     bLength                 9
     bDescriptorType         2
     wTotalLength           25
     bNumInterfaces          1
     bConfigurationValue     1
     iConfiguration          0
     bmAttributes         0xe0
       Self Powered
       Remote Wakeup
     MaxPower                0mA
     Interface Descriptor:
       bLength                 9
       bDescriptorType         4
       bInterfaceNumber        0
       bAlternateSetting       0
       bNumEndpoints           1
       bInterfaceClass         9 Hub
       bInterfaceSubClass      0 Unused
       bInterfaceProtocol      0 Full speed (or root) hub
       iInterface              0
       Endpoint Descriptor:
         bLength                 7
         bDescriptorType         5
         bEndpointAddress     0x81  EP 1 IN
         bmAttributes            3
           Transfer Type            Interrupt
           Synch Type               None
           Usage Type               Data
         wMaxPacketSize     0x0004  1x 4 bytes
         bInterval              12
Hub Descriptor:
   bLength               9
   bDescriptorType      41
   nNbrPorts             6
   wHubCharacteristic 0x000a
     No power switching (usb 1.0)
     Per-port overcurrent protection
   bPwrOn2PwrGood       10 * 2 milli seconds
   bHubContrCurrent      0 milli Ampere
   DeviceRemovable    0x00
   PortPwrCtrlMask    0xff
  Hub Port Status:
    Port 1: 0000.0100 power
    Port 2: 0000.0100 power
    Port 3: 0000.0100 power
    Port 4: 0000.0100 power
    Port 5: 0000.0100 power
    Port 6: 0000.0100 power
Device Status:     0x0003
   Self Powered
   Remote Wakeup Enabled

Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Device Descriptor:
   bLength                18
   bDescriptorType         1
   bcdUSB               1.10
   bDeviceClass            9 Hub
   bDeviceSubClass         0 Unused
   bDeviceProtocol         0 Full speed (or root) hub
   bMaxPacketSize0        64
   idVendor           0x1d6b Linux Foundation
   idProduct          0x0001 1.1 root hub
   bcdDevice            3.00
   iManufacturer           3 Linux 3.0.0-13-generic uhci_hcd
   iProduct                2 UHCI Host Controller
   iSerial                 1 0000:00:1d.0
   bNumConfigurations      1
   Configuration Descriptor:
     bLength                 9
     bDescriptorType         2
     wTotalLength           25
     bNumInterfaces          1
     bConfigurationValue     1
     iConfiguration          0
     bmAttributes         0xe0
       Self Powered
       Remote Wakeup
     MaxPower                0mA
     Interface Descriptor:
       bLength                 9
       bDescriptorType         4
       bInterfaceNumber        0
       bAlternateSetting       0
       bNumEndpoints           1
       bInterfaceClass         9 Hub
       bInterfaceSubClass      0 Unused
       bInterfaceProtocol      0 Full speed (or root) hub
       iInterface              0
       Endpoint Descriptor:
         bLength                 7
         bDescriptorType         5
         bEndpointAddress     0x81  EP 1 IN
         bmAttributes            3
           Transfer Type            Interrupt
           Synch Type               None
           Usage Type               Data
         wMaxPacketSize     0x0002  1x 2 bytes
         bInterval             255
Hub Descriptor:
   bLength               9
   bDescriptorType      41
   nNbrPorts             2
   wHubCharacteristic 0x000a
     No power switching (usb 1.0)
     Per-port overcurrent protection
   bPwrOn2PwrGood        1 * 2 milli seconds
   bHubContrCurrent      0 milli Ampere
   DeviceRemovable    0x00
   PortPwrCtrlMask    0xff
  Hub Port Status:
    Port 1: 0000.0100 power
    Port 2: 0000.0100 power
Device Status:     0x0003
   Self Powered
   Remote Wakeup Enabled

Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Device Descriptor:
   bLength                18
   bDescriptorType         1
   bcdUSB               1.10
   bDeviceClass            9 Hub
   bDeviceSubClass         0 Unused
   bDeviceProtocol         0 Full speed (or root) hub
   bMaxPacketSize0        64
   idVendor           0x1d6b Linux Foundation
   idProduct          0x0001 1.1 root hub
   bcdDevice            3.00
   iManufacturer           3 Linux 3.0.0-13-generic uhci_hcd
   iProduct                2 UHCI Host Controller
   iSerial                 1 0000:00:1d.1
   bNumConfigurations      1
   Configuration Descriptor:
     bLength                 9
     bDescriptorType         2
     wTotalLength           25
     bNumInterfaces          1
     bConfigurationValue     1
     iConfiguration          0
     bmAttributes         0xe0
       Self Powered
       Remote Wakeup
     MaxPower                0mA
     Interface Descriptor:
       bLength                 9
       bDescriptorType         4
       bInterfaceNumber        0
       bAlternateSetting       0
       bNumEndpoints           1
       bInterfaceClass         9 Hub
       bInterfaceSubClass      0 Unused
       bInterfaceProtocol      0 Full speed (or root) hub
       iInterface              0
       Endpoint Descriptor:
         bLength                 7
         bDescriptorType         5
         bEndpointAddress     0x81  EP 1 IN
         bmAttributes            3
           Transfer Type            Interrupt
           Synch Type               None
           Usage Type               Data
         wMaxPacketSize     0x0002  1x 2 bytes
         bInterval             255
Hub Descriptor:
   bLength               9
   bDescriptorType      41
   nNbrPorts             2
   wHubCharacteristic 0x000a
     No power switching (usb 1.0)
     Per-port overcurrent protection
   bPwrOn2PwrGood        1 * 2 milli seconds
   bHubContrCurrent      0 milli Ampere
   DeviceRemovable    0x00
   PortPwrCtrlMask    0xff
  Hub Port Status:
    Port 1: 0000.0100 power
    Port 2: 0000.0100 power
Device Status:     0x0003
   Self Powered
   Remote Wakeup Enabled

Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Device Descriptor:
   bLength                18
   bDescriptorType         1
   bcdUSB               1.10
   bDeviceClass            9 Hub
   bDeviceSubClass         0 Unused
   bDeviceProtocol         0 Full speed (or root) hub
   bMaxPacketSize0        64
   idVendor           0x1d6b Linux Foundation
   idProduct          0x0001 1.1 root hub
   bcdDevice            3.00
   iManufacturer           3 Linux 3.0.0-13-generic uhci_hcd
   iProduct                2 UHCI Host Controller
   iSerial                 1 0000:00:1d.2
   bNumConfigurations      1
   Configuration Descriptor:
     bLength                 9
     bDescriptorType         2
     wTotalLength           25
     bNumInterfaces          1
     bConfigurationValue     1
     iConfiguration          0
     bmAttributes         0xe0
       Self Powered
       Remote Wakeup
     MaxPower                0mA
     Interface Descriptor:
       bLength                 9
       bDescriptorType         4
       bInterfaceNumber        0
       bAlternateSetting       0
       bNumEndpoints           1
       bInterfaceClass         9 Hub
       bInterfaceSubClass      0 Unused
       bInterfaceProtocol      0 Full speed (or root) hub
       iInterface              0
       Endpoint Descriptor:
         bLength                 7
         bDescriptorType         5
         bEndpointAddress     0x81  EP 1 IN
         bmAttributes            3
           Transfer Type            Interrupt
           Synch Type               None
           Usage Type               Data
         wMaxPacketSize     0x0002  1x 2 bytes
         bInterval             255
Hub Descriptor:
   bLength               9
   bDescriptorType      41
   nNbrPorts             2
   wHubCharacteristic 0x000a
     No power switching (usb 1.0)
     Per-port overcurrent protection
   bPwrOn2PwrGood        1 * 2 milli seconds
   bHubContrCurrent      0 milli Ampere
   DeviceRemovable    0x00
   PortPwrCtrlMask    0xff
  Hub Port Status:
    Port 1: 0000.0100 power
    Port 2: 0000.0103 power enable connect
Device Status:     0x0003
   Self Powered
   Remote Wakeup Enabled

Bus 004 Device 002: ID 0cf2:6220 ENE Technology, Inc. SD Card Reader 
(SG361)
Device Descriptor:
   bLength                18
   bDescriptorType         1
   bcdUSB               1.00
   bDeviceClass            0 (Defined at Interface level)
   bDeviceSubClass         0
   bDeviceProtocol         0
   bMaxPacketSize0        64
   idVendor           0x0cf2 ENE Technology, Inc.
   idProduct          0x6220 SD Card Reader (SG361)
   bcdDevice            1.00
   iManufacturer           1 ENE
   iProduct                2 UB6220
   iSerial                 4 606569746801
   bNumConfigurations      1
   Configuration Descriptor:
     bLength                 9
     bDescriptorType         2
     wTotalLength           32
     bNumInterfaces          1
     bConfigurationValue     1
     iConfiguration          0
     bmAttributes         0x80
       (Bus Powered)
     MaxPower              498mA
     Interface Descriptor:
       bLength                 9
       bDescriptorType         4
       bInterfaceNumber        0
       bAlternateSetting       0
       bNumEndpoints           2
       bInterfaceClass         8 Mass Storage
       bInterfaceSubClass      6 SCSI
       bInterfaceProtocol     80 Bulk (Zip)
       iInterface              0
       Endpoint Descriptor:
         bLength                 7
         bDescriptorType         5
         bEndpointAddress     0x01  EP 1 OUT
         bmAttributes            2
           Transfer Type            Bulk
           Synch Type               None
           Usage Type               Data
         wMaxPacketSize     0x0040  1x 64 bytes
         bInterval               0
       Endpoint Descriptor:
         bLength                 7
         bDescriptorType         5
         bEndpointAddress     0x82  EP 2 IN
         bmAttributes            2
           Transfer Type            Bulk
           Synch Type               None
           Usage Type               Data
         wMaxPacketSize     0x0040  1x 64 bytes
         bInterval               0
Device Status:     0x0000
   (Bus Powered)
 	*	*	*

Device works fine on OSwintXP and DSL Linux (2.4.31) 52 MB RAM
I didn't find 2.4 kernel to build and test myself.

After sticking the device's led is blinking and any operations 
(mount,fdisk,eject) will hang.

dmesg outputs (on linux 2.6 and 3.0 same thing)

 	*	*	*
[  101.868018] usb 1-6: new high speed USB device using ehci_hcd and
address 2
[  101.936241] hub 1-0:1.0: unable to enumerate USB device on port 6
[  102.204027] usb 4-2: new full speed USB device using uhci_hcd and
address 2
[  102.543218] usbcore: registered new interface driver uas
[  102.583332] Initializing USB Mass Storage driver...
[  102.583535] scsi2 : usb-storage 4-2:1.0
[  102.585561] usbcore: registered new interface driver usb-storage
[  102.585568] USB Mass Storage support registered.
[  103.596815] scsi 2:0:0:0: Direct-Access     USB2.0   CardReader SD
0100 PQ: 0 ANSI: 0
[  103.603436] sd 2:0:0:0: Attached scsi generic sg3 type 0
[  103.695769] sd 2:0:0:0: [sdc] 994304 512-byte logical blocks: (509
MB/485 MiB)
[  103.698770] sd 2:0:0:0: [sdc] Write Protect is off
[  103.698778] sd 2:0:0:0: [sdc] Mode Sense: 03 00 00 00
[  103.698782] sd 2:0:0:0: [sdc] Assuming drive cache: write through
[  103.711757] sd 2:0:0:0: [sdc] Assuming drive cache: write through
[  103.717889]  sdc: sdc1
[  103.727830] sd 2:0:0:0: [sdc] Assuming drive cache: write through
[  103.727841] sd 2:0:0:0: [sdc] Attached SCSI removable disk
[  283.802708] sd 2:0:0:0: timing out command, waited 180s
[  283.802729] sd 2:0:0:0: [sdc] Unhandled sense code
[  283.802733] sd 2:0:0:0: [sdc]  Result: hostbyte=DID_OK
driverbyte=DRIVER_SENSE
[  283.802739] sd 2:0:0:0: [sdc]  Sense Key : Hardware Error [current]
[  283.802746] sd 2:0:0:0: [sdc]  Add. Sense: Unrecovered read error
[  283.802753] sd 2:0:0:0: [sdc] CDB: Read(10): 28 00 00 0f 2b f0 00 00 08
00
[  283.802765] end_request: I/O error, dev sdc, sector 994288
[  283.802773] Buffer I/O error on device sdc, logical block 124286
[  463.818656] sd 2:0:0:0: timing out command, waited 180s
[  463.818673] sd 2:0:0:0: [sdc] Unhandled sense code
[  463.818677] sd 2:0:0:0: [sdc]  Result: hostbyte=DID_OK
driverbyte=DRIVER_SENSE
[  463.818683] sd 2:0:0:0: [sdc]  Sense Key : Hardware Error [current]
[  463.818690] sd 2:0:0:0: [sdc]  Add. Sense: Unrecovered read error
[  463.818698] sd 2:0:0:0: [sdc] CDB: Read(10): 28 00 00 0f 2b f0 00 00 08
00
[  463.818711] end_request: I/O error, dev sdc, sector 994288
[  463.818719] Buffer I/O error on device sdc1, logical block 124030
[  480.168080] INFO: task udisks-part-id:1945 blocked for more than 120
seconds.
[  480.168087] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables
this message.
[  480.168092] udisks-part-id  D 00000000     0  1945    518 0x00000004
[  480.168100]  c0081d9c 00000086 00000000 00000000 ffffffff 00000040
ca73e78c c183a8c0
[  480.168109]  890837a7 00000050 ca73e788 c183a8c0 c183a8c0 de8068c0
ca73e500 c1731f60
[  480.168117]  00000246 c1784140 c1784140 00000001 c0081d90 00000246
de25e150 cd208060
[  480.168126] Call Trace:
[  480.168141]  [<c1272d12>] ? kobject_get+0x12/0x20
[  480.168149]  [<c1263888>] ? get_disk+0x48/0xa0
[  480.168159]  [<c1509096>] __mutex_lock_slowpath+0xd6/0x140
[  480.168164]  [<c1508c05>] mutex_lock+0x25/0x40
[  480.168171]  [<c1154e87>] __blkdev_get+0x47/0x360
[  480.168176]  [<c11551e9>] blkdev_get+0x49/0x250
[  480.168181]  [<c11547ae>] ? bd_acquire+0x3e/0xd0
[  480.168185]  [<c1155448>] blkdev_open+0x58/0x70
[  480.168191]  [<c11253c1>] __dentry_open+0xc1/0x280
[  480.168196]  [<c112672e>] nameidata_to_filp+0x6e/0x80
[  480.168201]  [<c11553f0>] ? blkdev_open+0x0/0x70
[  480.168207]  [<c1133bdf>] finish_open+0xaf/0x1a0
[  480.168211]  [<c1133488>] ? do_path_lookup+0x68/0x120
[  480.168217]  [<c1134227>] do_filp_open+0x207/0x6e0
[  480.168223]  [<c1126796>] do_sys_open+0x56/0x120
[  480.168231]  [<c13222d0>] ? write_null+0x0/0x10
[  480.168236]  [<c112688e>] sys_open+0x2e/0x40
[  480.168241]  [<c150a4a4>] syscall_call+0x7/0xb
[  600.168074] INFO: task udisks-daemon:1597 blocked for more than 120
seconds.
[  600.168081] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables
this message.
[  600.168085] udisks-daemon   D fe1248b5     0  1597      1 0x00000000
[  600.168093]  ca401ca4 00000086 0000006b fe1248b5 0000006b d8e01f16
cd3d9bcc c183a8c0
[  600.168102]  fe126839 0000006b cd3d9bc8 c183a8c0 c183a8c0 de8068c0
cd3d9940 d0eb25e0
[  600.168110]  de806920 de806904 d0eb260c d0eb260c ca401c9c 003d0f91
d90a9ef1 cd3d996c
[  600.168119] Call Trace:
[  600.168137]  [<c15088dd>] schedule_timeout+0x1ed/0x260
[  600.168144]  [<c150a07d>] ? _raw_spin_lock+0xd/0x10
[  600.168152]  [<c103de37>] ? task_rq_lock+0x47/0x80
[  600.168158]  [<c1049f53>] ? try_to_wake_up+0x223/0x3c0
[  600.168164]  [<c1508460>] wait_for_common+0xa0/0x130
[  600.168169]  [<c104a124>] ? wake_up_process+0x14/0x20
[  600.168173]  [<c104a0f0>] ? default_wake_function+0x0/0x20
[  600.168179]  [<c15085c7>] wait_for_completion+0x17/0x20
[  600.168186]  [<c1068100>] flush_work+0x30/0x40
[  600.168192]  [<c10666d0>] ? wq_barrier_func+0x0/0x20
[  600.168197]  [<c10697eb>] flush_delayed_work+0x3b/0x40
[  600.168203]  [<c12650a5>] disk_clear_events+0x75/0x120
[  600.168210]  [<c1153c0d>] check_disk_change+0x2d/0x70
[  600.168218]  [<c1362d80>] sd_open+0xa0/0x1d0
[  600.168224]  [<c1272cad>] ? kobject_put+0x1d/0x50
[  600.168230]  [<c1155162>] __blkdev_get+0x322/0x360
[  600.168236]  [<c11551e9>] blkdev_get+0x49/0x250
[  600.168240]  [<c11547ae>] ? bd_acquire+0x3e/0xd0
[  600.168245]  [<c1155448>] blkdev_open+0x58/0x70
[  600.168251]  [<c11253c1>] __dentry_open+0xc1/0x280
[  600.168256]  [<c112672e>] nameidata_to_filp+0x6e/0x80
[  600.168260]  [<c11553f0>] ? blkdev_open+0x0/0x70
[  600.168266]  [<c1133bdf>] finish_open+0xaf/0x1a0
[  600.168271]  [<c1133488>] ? do_path_lookup+0x68/0x120
[  600.168276]  [<c1134227>] do_filp_open+0x207/0x6e0
[  600.168284]  [<c113ff79>] ? vfsmount_lock_local_unlock+0x19/0x20
[  600.168290]  [<c1126796>] do_sys_open+0x56/0x120
[  600.168295]  [<c112859d>] ? fput+0x1d/0x30
[  600.168299]  [<c112688e>] sys_open+0x2e/0x40
[  600.168305]  [<c150a4a4>] syscall_call+0x7/0xb
[  600.168317] INFO: task udisks-part-id:1945 blocked for more than 120
seconds.
[  600.168320] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables
this message.
[  600.168324] udisks-part-id  D 00000000     0  1945    518 0x00000004
[  600.168330]  c0081d9c 00000086 00000000 00000000 ffffffff 00000040
ca73e78c c183a8c0
[  600.168338]  890837a7 00000050 ca73e788 c183a8c0 c183a8c0 de8068c0
ca73e500 c1731f60
[  600.168347]  00000246 c1784140 c1784140 00000001 c0081d90 00000246
de25e150 cd208060
[  600.168355] Call Trace:
[  600.168361]  [<c1272d12>] ? kobject_get+0x12/0x20
[  600.168368]  [<c1263888>] ? get_disk+0x48/0xa0
[  600.168374]  [<c1509096>] __mutex_lock_slowpath+0xd6/0x140
[  600.168380]  [<c1508c05>] mutex_lock+0x25/0x40
[  600.168385]  [<c1154e87>] __blkdev_get+0x47/0x360
[  600.168390]  [<c11551e9>] blkdev_get+0x49/0x250
[  600.168395]  [<c11547ae>] ? bd_acquire+0x3e/0xd0
[  600.168400]  [<c1155448>] blkdev_open+0x58/0x70
[  600.168404]  [<c11253c1>] __dentry_open+0xc1/0x280
[  600.168409]  [<c112672e>] nameidata_to_filp+0x6e/0x80
[  600.168414]  [<c11553f0>] ? blkdev_open+0x0/0x70
[  600.168419]  [<c1133bdf>] finish_open+0xaf/0x1a0
[  600.168424]  [<c1133488>] ? do_path_lookup+0x68/0x120
[  600.168429]  [<c1134227>] do_filp_open+0x207/0x6e0
[  600.168435]  [<c1126796>] do_sys_open+0x56/0x120
[  600.168442]  [<c13222d0>] ? write_null+0x0/0x10
[  600.168447]  [<c112688e>] sys_open+0x2e/0x40
[  600.168452]  [<c150a4a4>] syscall_call+0x7/0xb
[  643.826626] sd 2:0:0:0: timing out command, waited 180s
[  643.826645] sd 2:0:0:0: [sdc] Unhandled sense code
[  643.826649] sd 2:0:0:0: [sdc]  Result: hostbyte=DID_OK
driverbyte=DRIVER_SENSE
[  643.826655] sd 2:0:0:0: [sdc]  Sense Key : Hardware Error [current]
[  643.826662] sd 2:0:0:0: [sdc]  Add. Sense: Unrecovered read error
[  643.826669] sd 2:0:0:0: [sdc] CDB: Read(10): 28 00 00 0f 2b f0 00 00 08
00
[  643.826682] end_request: I/O error, dev sdc, sector 994288
[  643.826690] Buffer I/O error on device sdc1, logical block 124030

Cheers,
 	Jalil


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