[CCing upstream for review/merge of the patch proposed by Vitaly.]
This was reported to Debian as
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=555835
Vitaly, please add a Signed-off-by: header as described in
Documentation/SubmittingPatches
Cheers,
Moritz
On Thu, Nov 12, 2009 at 02:17:09AM +0300, Vitaly Kuznetsov wrote:
> Package: linux-image-2.6.30-2-686
> Version: 2.6.30-8
> Severity: normal
> Tags: patch
>
> Unusual usb storage Samsung YP-CP3 (mp4 player) not working (disconnects
> immediately after connection), dmesg:
>
> [ 1457.432058] usb 2-6: new high speed USB device using ehci_hcd and address 2
> [ 1457.564921] usb 2-6: New USB device found, idVendor=04e8, idProduct=5122
> [ 1457.564925] usb 2-6: New USB device strings: Mfr=1, Product=2,
> SerialNumber=3
> [ 1457.564928] usb 2-6: Product: YP-CP3
> [ 1457.564931] usb 2-6: Manufacturer: SAMSUNG
> [ 1457.564933] usb 2-6: SerialNumber: USBV1.00
> [ 1457.565058] usb 2-6: configuration #1 chosen from 1 choice
> [ 1457.648326] Initializing USB Mass Storage driver...
> [ 1457.648725] scsi3 : SCSI emulation for USB Mass Storage devices
> [ 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 <vi...@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 <kilg...@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 perfect, 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
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