Unusual usb_storage device Samsung YP-CP3 not working (disconnects immediately after connection), dmesg: 1457.648857] usb-storage: device found at 2 [ 1457.648859] usb-storage: waiting for device to settle before scanning [ 1457.648866] usbcore: registered new interface driver usb-storage [ 1457.648870] USB Mass Storage support registered. [ 1462.644223] usb-storage: device scan complete [ 1462.644699] scsi 3:0:0:0: Direct-Access SAMSUNG YP-CP3 1.00 PQ: 0 ANSI: 0 [ 1462.645313] scsi 3:0:0:1: Direct-Access SAMSUNG microSD Card 1.00 PQ: 0 ANSI: 0 CCS [ 1462.649922] sd 3:0:0:0: [sdb] 7649280 512-byte hardware sectors: (3.91 GB/3.64 GiB) [ 1462.761061] usb 2-6: reset high speed USB device using ehci_hcd and address 2 [ 1463.009063] usb 2-6: reset high speed USB device using ehci_hcd and address 2 [ 1463.256053] usb 2-6: reset high speed USB device using ehci_hcd and address 2 [ 1463.505060] usb 2-6: reset high speed USB device using ehci_hcd and address 2 [ 1463.756066] usb 2-6: reset high speed USB device using ehci_hcd and address 2 [ 1464.008104] usb 2-6: reset high speed USB device using ehci_hcd and address 2 [ 1464.140585] sd 3:0:0:0: [sdb] Write Protect is off [ 1464.140590] sd 3:0:0:0: [sdb] Mode Sense: 00 00 00 00 [ 1464.140592] sd 3:0:0:0: [sdb] Assuming drive cache: write through [ 1464.141322] sd 3:0:0:1: [sdc] Attached SCSI removable disk [ 1464.257057] usb 2-6: reset high speed USB device using ehci_hcd and address 2 [ 1464.512064] usb 2-6: reset high speed USB device using ehci_hcd and address 2 [ 1464.760074] usb 2-6: reset high speed USB device using ehci_hcd and address 2 [ 1464.816364] usb 2-6: USB disconnect, address 2 [ 1464.817340] sd 3:0:0:0: [sdb] Assuming drive cache: write through [ 1464.817352] sdb:<2>ldm_validate_partition_table(): Disk read failed. [ 1464.818575] Dev sdb: unable to read RDB block 0 [ 1464.818618] unable to read partition table I wrote a small patch to fix this problem: --- drivers/usb/storage/unusual_devs.h.old 2009-09-26 01:58:45.000000000 +0400 +++ drivers/usb/storage/unusual_devs.h 2009-11-12 02:01:20.000000000 +0300 @@ -495,6 +495,13 @@ US_SC_DEVICE, US_PR_DEVICE, NULL, US_FL_MAX_SECTORS_64), +/* Reported by Vitaly Kuznetsov <vitty@altlinux.ru> */ +UNUSUAL_DEV( 0x04e8, 0x5122, 0x0000, 0x9999, + "Samsung", + "YP-CP3", + US_SC_DEVICE, US_PR_DEVICE, NULL, + US_FL_MAX_SECTORS_64 | US_FL_FIX_INQUIRY | US_FL_FIX_CAPACITY | US_FL_BULK_IGNORE_TAG), + /* Entry and supporting patch by Theodore Kilgore <kilgota@auburn.edu>. * Device uses standards-violating 32-byte Bulk Command Block Wrappers and * reports itself as "Proprietary SCSI Bulk." Cf. device entry 0x084d:0x0011. Now this device works perfectly, dmesg: [ 6126.086942] usb-storage: device found at 19 [ 6126.086947] usb-storage: waiting for device to settle before scanning [ 6131.084350] usb-storage: device scan complete [ 6131.084553] scsi 20:0:0:0: Direct-Access Samsung YP-CP3 0000 PQ: 0 ANSI: 2 [ 6131.084680] scsi 20:0:0:1: Direct-Access Samsung YP-CP3 0000 PQ: 0 ANSI: 2 [ 6131.088943] sd 20:0:0:1: [sdc] Attached SCSI removable disk [ 6131.097925] sd 20:0:0:0: [sdb] Adjusting the sector count from its reported value: 7649280 [ 6131.097940] sd 20:0:0:0: [sdb] 7649279 512-byte hardware sectors: (3.91 GB/3.64 GiB) [ 6131.099241] sd 20:0:0:0: [sdb] Write Protect is off [ 6131.099250] sd 20:0:0:0: [sdb] Mode Sense: 03 00 00 00 [ 6131.099256] sd 20:0:0:0: [sdb] Assuming drive cache: write through [ 6131.100855] sd 20:0:0:0: [sdb] Adjusting the sector count from its reported value: 7649280 [ 6131.101355] sd 20:0:0:0: [sdb] Assuming drive cache: write through [ 6131.101367] sdb: [ 6131.102452] sd 20:0:0:0: [sdb] Attached SCSI removable disk
приложен.
