Ubuntu 15.04, same thing (with HP and Trancend external USB3 hdd both).
ubuntu@hauki:~$ uname -a
Linux hauki 3.19.0-18-generic #18-Ubuntu SMP Tue May 19 18:31:35 UTC 2015
x86_64 x86_64 x86_64 GNU/Linux
ubuntu@hauki:~$ cat /etc/os-release
NAME="Ubuntu"
VERSION="15.04 (Vivid Vervet)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 15.04"
VERSION_ID="15.04"
HOME_URL="http://www.ubuntu.com/";
SUPPORT_URL="http://help.ubuntu.com/";
BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/";
ubuntu@hauki:~$ lspci
00:00.0 Host bridge: Intel Corporation 4th Gen Core Processor DRAM Controller
(rev 06)
00:01.0 PCI bridge: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor
PCI Express x16 Controller (rev 06)
00:14.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family
USB xHCI (rev 05)
00:16.0 Communication controller: Intel Corporation 8 Series/C220 Series
Chipset Family MEI Controller #1 (rev 04)
00:1a.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family
USB EHCI #2 (rev 05)
00:1b.0 Audio device: Intel Corporation 8 Series/C220 Series Chipset High
Definition Audio Controller (rev 05)
00:1c.0 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI
Express Root Port #1 (rev d5)
00:1c.4 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI
Express Root Port #5 (rev d5)
00:1d.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family
USB EHCI #1 (rev 05)
00:1f.0 ISA bridge: Intel Corporation B85 Express LPC Controller (rev 05)
00:1f.2 SATA controller: Intel Corporation 8 Series/C220 Series Chipset Family
6-port SATA Controller 1 [AHCI mode] (rev 05)
00:1f.3 SMBus: Intel Corporation 8 Series/C220 Series Chipset Family SMBus
Controller (rev 05)
01:00.0 VGA compatible controller: NVIDIA Corporation GM107 [GeForce GTX 750]
(rev a2)
01:00.1 Audio device: NVIDIA Corporation Device 0fbc (rev a1)
03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411
PCI Express Gigabit Ethernet Controller (rev 0c)
ubuntu@hauki:~$ lsusb
Bus 004 Device 002: ID 8087:8000 Intel Corp.
Bus 004 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 002: ID 8087:8008 Intel Corp.
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 019: ID 03f0:1840 Hewlett-Packard
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 008: ID 05e3:0745 Genesys Logic, Inc.
Bus 001 Device 004: ID 046d:c408 Logitech, Inc. Marble Mouse (4-button)
Bus 001 Device 002: ID 04b4:6560 Cypress Semiconductor Corp. CY7C65640 USB-2.0
"TetraHub"
Bus 001 Device 005: ID 0bda:0151 Realtek Semiconductor Corp. Mass Storage
Device (Multicard Reader)
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
/var/log/syslog when trying to eject external hdd with sidepane
Eject-'button' and it pops back:
1) Nautilus/Ejecting HP (in sidepane):
May 24 19:19:47 hauki udisksd[1887]: Cleaning up mount point
/media/ubuntu/HP500GB1 (device 8:129 is not mounted)
May 24 19:19:47 hauki systemd[1]: Unit media-ubuntu-HP500GB1.mount entered
failed state.
May 24 19:19:47 hauki systemd[1]: Found device TOSHIBA_MQ01ABD050 HP500GB.
May 24 19:19:47 hauki ntfs-3g[9889]: Unmounting /dev/sdi1 (HP500GB)
May 24 19:19:47 hauki udisksd[1887]: Unmounted /dev/sdi1 on behalf of uid 505
May 24 19:19:47 hauki systemd[1]: Device dev-sdi1.device appeared twice with
different sysfs paths
/sys/devices/pci:00/:00:14.0/usb2/2-6/2-6:1.0/host23/target23:0:0/23:0:0:0/block/sdi/sdi1
and
/sys/devices/pci:00/:00:14.0/usb2/2-6/2-6:1.0/host27/target27:0:0/27:0:0:0/block/sdi/sdi1
2) Nautilus/Safely Remove Drive (sidepane/secondary mouse button):
May 24 19:21:44 hauki udisksd[1887]: Successfully sent SCSI command SYNCHRONIZE
CACHE to /dev/sdi
May 24 19:21:44 hauki udisksd[1887]: Successfully sent SCSI command START STOP
UNIT to /dev/sdi
May 24 19:21:44 hauki kernel: [33234.367998] sd 27:0:0:0: [sdi] Synchronizing
SCSI cache
May 24 19:21:44 hauki udisksd[1887]: Powered off /dev/sdi - successfully wrote
to sysfs path /sys/devices/pci:00/:00:14.0/usb2/2-6/remove
May 24 19:21:44 hauki kernel: [33234.386779] usb 2-6: USB disconnect, device
number 20
May 24 19:21:44 hauki kernel: [33234.773556] usb 2-6: new SuperSpeed USB device
number 21 using xhci_hcd
May 24 19:21:44 hauki kernel: [33234.790061] usb 2-6: New USB device found,
idVendor=03f0, idProduct=1840
May 24 19:21:44 hauki kernel: [33234.790063] usb 2-6: New USB device strings:
Mfr=2, Product=3, SerialNumber=1
May 24 19:21:44 hauki kernel: [33234.790064] usb 2-6: Product: Portable HDD
May 24 19:21:44 hauki kernel: [33234.790065] usb 2-6: Manufacturer: HP
May 24 19:21:44 hauki kernel: [33234.790066] usb 2-6: SerialNumber: 00200449
May 24 19:21:44 hauki kernel: [33234.790458] usb-storage 2-6:1.0: USB Mass
Storage device detected
May 24 19:21:44 hauki kernel: [33234.790671] scsi host28: usb-storage 2-6:1.0
May 24 19:21:44 hauki logger: loading HP Device 002
