Ubuntu
linux package

  1. Bug #1284399
  2. Comment #7

Comment 7 for bug 1284399

Revision history for this message
rbonsai (tr33) wrote :

The problem still exists here with various USB3 disks.
System information: MacBook Air 6,2 with two USB3 ports
Kernel version: 3.12.13-031213-generic

reading large amounts of data seems to be no problem, but when writing data, the error occours:

l 9 12:39:47 ishtar kernel: [ 1492.741609] usb 2-2: reset SuperSpeed USB device number 7 using xhci_hcd

==> /var/log/syslog <==
Jul 9 12:39:47 ishtar kernel: [ 1492.757475] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff8801c601ec80
Jul 9 12:39:47 ishtar kernel: [ 1492.757482] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff8801c601ecc0

==> /var/log/kern.log <==
Jul 9 12:39:47 ishtar kernel: [ 1492.757475] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff8801c601ec80
Jul 9 12:39:47 ishtar kernel: [ 1492.757482] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff8801c601ecc0

I have cross-checked the disks on different systems with USB2 ports: its not a faulty disk!

Help and solutions is highly appreciated