I am having this bug on Xubuntu 14.10 (Thunar 1.6.3) when trying to unmount a USB 3.0 Seagate 1TB HDD from a USB 3.0 port. I also experience one second off and remounting after that. I don't have this bug when using USB 2.0 pendrive in USB 3.0 port.
dmesg | grep USB #after plugged in a USB 2.0 port [ 1955.357740] usb 1-1.2: new high-speed USB device number 8 using ehci-pci [ 1955.512198] usb 1-1.2: New USB device found, idVendor=0bc2, idProduct=a013 [ 1955.512205] usb 1-1.2: New USB device strings: Mfr=2, Product=3, SerialNumber=1 #unmounting with Thunar, the device starts spinning again but cannot be seen in /dev/sd* [ 2109.543249] usb 1-1.2: USB disconnect, device number 8 #after plugged in a USB 3.0 port [ 2335.126791] usb 4-4: new SuperSpeed USB device number 12 using xhci_hcd [ 2335.143475] usb 4-4: New USB device found, idVendor=0bc2, idProduct=a013 [ 2335.143482] usb 4-4: New USB device strings: Mfr=2, Product=3, SerialNumber=1 #unmounting with Thunar, the device starts spinning again and Thunar opens the remounted media [ 2439.351726] usb 4-4: USB disconnect, device number 12 [ 2439.739404] usb 4-4: new SuperSpeed USB device number 13 using xhci_hcd [ 2439.756138] usb 4-4: New USB device found, idVendor=0bc2, idProduct=a013 [ 2439.756146] usb 4-4: New USB device strings: Mfr=2, Product=3, SerialNumber=1 USB 2.0 pendrive #automount in USB 3.0 port [ 3045.472256] usb 3-4: new high-speed USB device number 3 using xhci_hcd [ 3045.601106] usb 3-4: New USB device found, idVendor=08ec, idProduct=2038 [ 3045.601115] usb 3-4: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 3045.601698] usb-storage 3-4:1.0: USB Mass Storage device detected #/dev contents ata@ata-HP-ProBook-6470b:~$ ls /dev/sdb* /dev/sdb /dev/sdb1 #Thunar gives this error message when unmounting: "Error opening /sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2/remove: No such file or directory." #Nothing new in dmesg #/dev contents ata@ata-HP-ProBook-6470b:~$ ls /dev/sdb* /dev/sdb -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/792085 Title: Automatic remount of safely removed drive To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nautilus/+bug/792085/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
