Public bug reported:
On a fresh saucey installation (kernel 3.11), I can not use my external
usb 3.0 hdd on usb 3.0 ports, it only works on usb 2 ports. kernel log
shows, that it disconnects immediately after it is plugged in. Then it
continues to connect and disconnect indefinitely (q.v. attached dmesg
log):
[ 2623.116141] usb 3-5: new SuperSpeed USB device number 2 using xhci_hcd
[ 2623.132574] usb 3-5: New USB device found, idVendor=1058, idProduct=0740
[ 2623.132582] usb 3-5: New USB device strings: Mfr=1, Product=2, SerialNumber=5
[ 2623.132587] usb 3-5: Product: My Passport 0740
[ 2623.132591] usb 3-5: Manufacturer: Western Digital
[ 2623.132595] usb 3-5: SerialNumber: 575847314139315836343531
[ 2623.133533] usb-storage 3-5:1.0: USB Mass Storage device detected
[ 2623.133758] scsi7 : usb-storage 3-5:1.0
[ 2624.299678] usb 3-5: USB disconnect, device number 2
[ 2645.281554] scsi 7:0:0:0: Device offlined - not ready after error recovery
[ 2645.281727] usb 3-5: Set SEL for device-initiated U1 failed.
[ 2645.281730] usb 3-5: Set SEL for device-initiated U2 failed.
[ 2645.521559] usb 3-5: new SuperSpeed USB device number 3 using xhci_hcd
...
The same hw combination works with kernel 3.2 in precise, but not with
3.8 (see attachments below). I even tried 3.12 coming with trusty, but
got the same log messages as with 3.11.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Incomplete
** Attachment added: "dmesg_3.11_usb3_failed"
https://bugs.launchpad.net/bugs/1254261/+attachment/3915431/+files/dmesg_3.11_usb3_failed
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https://bugs.launchpad.net/bugs/1254261
Title:
xhci regression: usb 3.0 hdd disconnects immediately
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