Comment 11 for bug 1271268

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/32.0.1700.107 Safari/537.36

Hi,

I have an external USB3 harddrive attached to an USB3 port on my desktop PC running openSUSE 13.1.

At random times, sometimes multiple times a minute, the USB3 device gets disconnected. It does not matter if the device is mounted (in use) or not.

Please see dmesg output:
----------------------------
[870461.269481] usb 4-3: new SuperSpeed USB device number 28 using xhci_hcd
[870461.281358] usb 4-3: New USB device found, idVendor=174c, idProduct=55aa
[870461.281372] usb 4-3: New USB device strings: Mfr=2, Product=3, SerialNumber=1
[870461.281374] usb 4-3: Product: USB 3.0 Device
[870461.281376] usb 4-3: Manufacturer: Intenso
[870461.281378] usb 4-3: SerialNumber: 31800000000000003E38
[870461.282007] usb-storage 4-3:1.0: USB Mass Storage device detected
[870461.282089] usb-storage 4-3:1.0: Quirks match for vid 174c pid 55aa: 400000
[870461.282167] scsi36 : usb-storage 4-3:1.0
[870462.284210] scsi 36:0:0:0: Direct-Access Intenso USB 3.0 Device 0 PQ: 0 ANSI: 6
[870462.284401] sd 36:0:0:0: Attached scsi generic sg6 type 0
[870464.199577] sd 36:0:0:0: [sdf] 1953525168 512-byte logical blocks: (1.00 TB/931 GiB)
[870464.199581] sd 36:0:0:0: [sdf] 4096-byte physical blocks
[870464.199874] sd 36:0:0:0: [sdf] Write Protect is off
[870464.199877] sd 36:0:0:0: [sdf] Mode Sense: 43 00 00 00
[870464.200155] sd 36:0:0:0: [sdf] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[870464.221691] sdf: sdf1 sdf2 sdf3
[870464.222938] sd 36:0:0:0: [sdf] Attached SCSI disk
[870549.477048] usb 4-3: USB disconnect, device number 28
[870549.538986] sd 36:0:0:0: [sdf] Synchronizing SCSI cache
[870549.539025] sd 36:0:0:0: [sdf]
[870549.539028] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK
[870549.539211] usb 4-3: Set SEL for device-initiated U1 failed.
[870549.539214] usb 4-3: Set SEL for device-initiated U2 failed.
[870549.745153] usb 4-3: new SuperSpeed USB device number 29 using xhci_hcd
[870549.756736] usb 4-3: New USB device found, idVendor=174c, idProduct=55aa
[870549.756743] usb 4-3: New USB device strings: Mfr=2, Product=3, SerialNumber=1
[870549.756746] usb 4-3: Product: USB 3.0 Device
[870549.756748] usb 4-3: Manufacturer: Intenso
[870549.756751] usb 4-3: SerialNumber: 31800000000000003E38
[870549.757361] usb-storage 4-3:1.0: USB Mass Storage device detected
[870549.757408] usb-storage 4-3:1.0: Quirks match for vid 174c pid 55aa: 400000
[870549.757443] scsi37 : usb-storage 4-3:1.0
[870550.758808] scsi 37:0:0:0: Direct-Access Intenso USB 3.0 Device 0 PQ: 0 ANSI: 6
[870550.758971] sd 37:0:0:0: Attached scsi generic sg6 type 0
[870550.759173] sd 37:0:0:0: [sdf] 1953525168 512-byte logical blocks: (1.00 TB/931 GiB)
[870550.759175] sd 37:0:0:0: [sdf] 4096-byte physical blocks
[870550.759432] sd 37:0:0:0: [sdf] Write Protect is off
[870550.759434] sd 37:0:0:0: [sdf] Mode Sense: 43 00 00 00
[870550.760176] sd 37:0:0:0: [sdf] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[870550.798929] sdf: sdf1 sdf2 sdf3
[870550.799953] sd 37:0:0:0: [sdf] Attached SCSI disk
[870566.253742] usb 4-3: USB disconnect, device number 29
[870566.254760] sd 37:0:0:0: [sdf] Synchronizing SCSI cache
[870566.254792] sd 37:0:0:0: [sdf]
[870566.254795] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK
[870566.254990] usb 4-3: Set SEL for device-initiated U1 failed.
[870566.254994] usb 4-3: Set SEL for device-initiated U2 failed.
[870566.460920] usb 4-3: new SuperSpeed USB device number 30 using xhci_hcd
...
----------------------------

Reproducible: Sometimes

Steps to Reproduce:
1. Attach USB3 disk to USB3 port

Actual Results:
Device gets disconnected randomly (sometimes even during use)

Expected Results:
Device should stay connected while plugged in