Ubuntu

Automatic remount of safely removed drive

Reported by Martin Wildam on 2011-06-02
250
This bug affects 86 people
Affects Status Importance Assigned to Milestone
nautilus (Ubuntu)
Low
Unassigned
udev (Ubuntu)
Medium
Unassigned

Bug Description

Binary package hint: nautilus

When I choose "Safely remove drive" context menu entry for an external USB drive within a nautilus window or directly clicking on the desktop icon, after about 10 seconds the drive is automatically remounted and a Nautilus window showing the root folder opens.

I have noticed that similar already happened with a very old Ubuntu version - Bug #110589 and as that is so long time ago I thought it is better to open a new bug. Reason of the problem might even be completely different.

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: nautilus 1:2.32.2.1-0ubuntu13
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic-pae 2.6.38.2
Uname: Linux 2.6.38-8-generic-pae i686
Architecture: i386
Date: Thu Jun 2 23:40:08 2011
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
ProcEnviron:
 LANGUAGE=en_US:en
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: nautilus
UpgradeStatus: No upgrade log present (probably fresh install)

Martin Wildam (mwildam) wrote :
Alex Colorado (alex-kiwikiwi) wrote :

Same behaviour for me. Although it only happens after the first time I select "Safely remove drive".
After the first automatic remount, the second time I choose "Safely remove drive" the usb external drive does not remount.

It happens for different types of USB drives and USB keys, so it's not related to a specific external drive.

Lucas Malor (xdq4gh24rq) on 2011-06-23
Changed in nautilus (Ubuntu):
status: New → Confirmed
Changed in usb-creator (Ubuntu):
status: New → Confirmed
Lucas Malor (xdq4gh24rq) on 2011-06-23
Changed in udev (Ubuntu):
status: New → Confirmed
Lucas Malor (xdq4gh24rq) wrote :

Daniel Richard G. from Bug #507309 : usb-creator has a strange quirk in that when it starts up, it (re)mounts all unmounted partitions on all connected USB drives---even those drives on which the "Safely remove drive" operation has been performed, but are still plugged into the USB bus. This is with icons and everything on the desktop; this is clearly some sort of interaction with udev, similar to what occurs when a USB drive is plugged in.

I am filing this report to request that this "mount everything" behavior be removed. It is inappropriate for usb-creator to do this, not least because it may then go on to perform destructive operations on some of these newly-mounted filesystems!

Mihai Capotă (mihaic) wrote :

I have the same problem, but only with two Western Digital USB 3 drives. The drives are My Book Essential 3 TB (WDBACW0030HBK) and My Passport Essential 500 GB (WDBACY5000ABK). I can reproduce the behavior on a laptop and a desktop, both running Ubuntu 10.10. All other drives remain unmounted.

Changed in nautilus (Ubuntu):
importance: Undecided → Low
Nikhil P Joseph (madfly8082) wrote :

does this happen in 11.10 also?

Daniel Richard G. (skunk) wrote :

In 11.10, I'm no longer seeing usb-creator remount previously-removed disks on startup.

I can't speak to the Nautilus behavior described in this bug, however, as I've never observed it myself.

Jan Sonntag (finaljason) wrote :

As you can read on https://bugzilla.gnome.org/show_bug.cgi?id=641873 the specified behaviour seems to appear only with some nvidea chipsets.
Could the bug be a driver issue?

Nikhil P Joseph (madfly8082) wrote :

if it is a driver issue, is there anyway we can roll back to the driver version in lucid?

The behavior has changed, but still exists.

After "ejecting" the device, it now disappears and does not
automatically re-appear as a device; however, in "My Computer"
location when I select "Safely remove device" it disappears and
automatically re-appears. Interesting, after re-appearing I cannot
click on and open the disk drive.

At the OS-level the USB devices automatically remount, but at the
interface level it partially disappears, re-appears in my computer
inaccessible.

TH

On Fri, Oct 14, 2011 at 8:33 PM, Nikhil P Joseph
<email address hidden> wrote:
> does this happen in 11.10 also?
>
> --
> You received this bug notification because you are subscribed to a
> duplicate bug report (608508).
> https://bugs.launchpad.net/bugs/792085
>
> Title:
>  Automatic remount of safely removed drive
>
> Status in “nautilus” package in Ubuntu:
>  Confirmed
> Status in “udev” package in Ubuntu:
>  Confirmed
> Status in “usb-creator” package in Ubuntu:
>  Confirmed
>
> Bug description:
>  Binary package hint: nautilus
>
>  When I choose "Safely remove drive" context menu entry for an external
>  USB drive within a nautilus window or directly clicking on the desktop
>  icon, after about 10 seconds the drive is automatically remounted and
>  a Nautilus window showing the root folder opens.
>
>  I have noticed that similar already happened with a very old Ubuntu
>  version - Bug #110589 and as that is so long time ago I thought it is
>  better to open a new bug. Reason of the problem might even be
>  completely different.
>
>  ProblemType: Bug
>  DistroRelease: Ubuntu 11.04
>  Package: nautilus 1:2.32.2.1-0ubuntu13
>  ProcVersionSignature: Ubuntu 2.6.38-8.42-generic-pae 2.6.38.2
>  Uname: Linux 2.6.38-8-generic-pae i686
>  Architecture: i386
>  Date: Thu Jun  2 23:40:08 2011
>  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
>  ProcEnviron:
>   LANGUAGE=en_US:en
>   LANG=en_US.UTF-8
>   SHELL=/bin/bash
>  SourcePackage: nautilus
>  UpgradeStatus: No upgrade log present (probably fresh install)
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/nautilus/+bug/792085/+subscriptions
>

Jan Sonntag (finaljason) wrote :

@Nikhil:

the bug didn't appear in lucid (for me) and i recognized it for the first time in natty (but i don't know whether the bug appears in maverick too)

@torstenaf:

sounds interesting. Can you check your dmesg-log for entries like:

[ 968.188033] usb 1-8: new high speed USB device using ehci_hcd and address 6

and after reappearing (same bus):

[ 1005.992037] usb 2-8: new full speed USB device using ohci_hcd and address 4

If it's a driver issue there is definitively something wrong with the communication between ohci_hcd and ehci_hcd.

Nikhil P Joseph (madfly8082) wrote :

@Jan: I can confirm that. My laptop's still running lucid and i noticed it first in maverick when i tried it for a short time. my machine has the nvidia mcp51 chipset. however i am not sure if the problem affects nvidia chipsets alone, ive seen some people with intel machines also encountering this problem.

torstenaf (afguy) wrote :

Here are the dmesg messages.

After plugging in USB device:
[29103.712213] usb 1-1: new high speed USB device number 3 using ehci_hcd
[29103.852384] scsi8 : usb-storage 1-1:1.0

After clicking the "Eject" icon on the file manager (no change from before):
[29103.712213] usb 1-1: new high speed USB device number 3 using ehci_hcd
[29103.852384] scsi8 : usb-storage 1-1:1.0

After opening "Computer", right clicking on the USB drive, and
clicking "Safely Remove Drive" (the icon disappears, then re-appears):
[29103.712213] usb 1-1: new high speed USB device number 3 using ehci_hcd
[29103.852384] scsi8 : usb-storage 1-1:1.0
[29167.356346] usb 1-1: USB disconnect, device number 3
[29167.728213] usb 3-1: new full speed USB device number 2 using ohci_hcd
[29167.929262] usb 3-1: not running at top speed; connect to a high speed hub
[29167.953587] scsi9 : usb-storage 3-1:1.0

TH

On Mon, Oct 17, 2011 at 5:22 PM, Jan Sonntag <email address hidden> wrote:
> @Nikhil:
>
> the bug didn't appear in lucid (for me) and i recognized it for the
> first time in natty (but i don't know whether the bug appears in
> maverick too)
>
> @torstenaf:
>
> sounds interesting. Can you check your dmesg-log for entries like:
>
> [  968.188033] usb 1-8: new high speed USB device using ehci_hcd and
> address 6
>
> and after reappearing (same bus):
>
> [ 1005.992037] usb 2-8: new full speed USB device using ohci_hcd and
> address 4
>
> If it's a driver issue there is definitively something wrong with the
> communication between ohci_hcd and ehci_hcd.
>
> --
> You received this bug notification because you are subscribed to a
> duplicate bug report (608508).
> https://bugs.launchpad.net/bugs/792085
>
> Title:
>  Automatic remount of safely removed drive
>
> Status in “nautilus” package in Ubuntu:
>  Confirmed
> Status in “udev” package in Ubuntu:
>  Confirmed
> Status in “usb-creator” package in Ubuntu:
>  Confirmed
>
> Bug description:
>  Binary package hint: nautilus
>
>  When I choose "Safely remove drive" context menu entry for an external
>  USB drive within a nautilus window or directly clicking on the desktop
>  icon, after about 10 seconds the drive is automatically remounted and
>  a Nautilus window showing the root folder opens.
>
>  I have noticed that similar already happened with a very old Ubuntu
>  version - Bug #110589 and as that is so long time ago I thought it is
>  better to open a new bug. Reason of the problem might even be
>  completely different.
>
>  ProblemType: Bug
>  DistroRelease: Ubuntu 11.04
>  Package: nautilus 1:2.32.2.1-0ubuntu13
>  ProcVersionSignature: Ubuntu 2.6.38-8.42-generic-pae 2.6.38.2
>  Uname: Linux 2.6.38-8-generic-pae i686
>  Architecture: i386
>  Date: Thu Jun  2 23:40:08 2011
>  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
>  ProcEnviron:
>   LANGUAGE=en_US:en
>   LANG=en_US.UTF-8
>   SHELL=/bin/bash
>  SourcePackage: nautilus
>  UpgradeStatus: No upgrade log present (probably fresh install)
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/nautilus/+bug/792085/+subscriptions
>

Martin Wildam (mwildam) wrote :

Don't experience this any more on Oneiric with Intel graphic card and 11.10 (release) under unity (other desktops not yet tested).

Jan Sonntag (finaljason) wrote :

@Martin Wildam:

which chipset you are using?

I'm actually downloading Puppy Linux and test if the bug also appears there...

Martin Wildam (mwildam) wrote :

product: Mobile 4 Series Chipset Integrated Graphics Controller
vendor: Intel Corporation

Jan Sonntag (finaljason) wrote :

Hmpf!

Puppy's kernel is too old...

Has someone a newer (Gentoo, Open Suse or whatever) live cd to test if the bug only appears in Ubuntu?

Nikhil P Joseph (madfly8082) wrote :

Im assuming we need a distribution with kernel version>=2.6.35. that's the one which shipped with maverick.

Martin Wildam (mwildam) wrote :

Hello,

tried with Fedora 15 Live CD on kernel 2.6.38.6-26 and did not
experience the problem there.
Ubuntu 11.10 with current kernel 3.0.0-12 also does not show the issue.

On Tue, Oct 18, 2011 at 17:33, Nikhil P Joseph
<email address hidden> wrote:
> Im assuming we need a distribution with kernel version>=2.6.35. that's
> the one which shipped with maverick.
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/792085
>
> Title:
>  Automatic remount of safely removed drive
>
> Status in “nautilus” package in Ubuntu:
>  Confirmed
> Status in “udev” package in Ubuntu:
>  Confirmed
> Status in “usb-creator” package in Ubuntu:
>  Confirmed
>
> Bug description:
>  Binary package hint: nautilus
>
>  When I choose "Safely remove drive" context menu entry for an external
>  USB drive within a nautilus window or directly clicking on the desktop
>  icon, after about 10 seconds the drive is automatically remounted and
>  a Nautilus window showing the root folder opens.
>
>  I have noticed that similar already happened with a very old Ubuntu
>  version - Bug #110589 and as that is so long time ago I thought it is
>  better to open a new bug. Reason of the problem might even be
>  completely different.
>
>  ProblemType: Bug
>  DistroRelease: Ubuntu 11.04
>  Package: nautilus 1:2.32.2.1-0ubuntu13
>  ProcVersionSignature: Ubuntu 2.6.38-8.42-generic-pae 2.6.38.2
>  Uname: Linux 2.6.38-8-generic-pae i686
>  Architecture: i386
>  Date: Thu Jun  2 23:40:08 2011
>  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
>  ProcEnviron:
>   LANGUAGE=en_US:en
>   LANG=en_US.UTF-8
>   SHELL=/bin/bash
>  SourcePackage: nautilus
>  UpgradeStatus: No upgrade log present (probably fresh install)
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/nautilus/+bug/792085/+subscriptions
>

--
Martin Wildam

http://www.google.com/profiles/mwildam

Matthias Niess (mniess) wrote :

The issue is still present for me with 3.0.0-12-generic and the nvidia chipset discussed above.

Peter Kennes (mgt2000) on 2011-12-25
Changed in nautilus (Ubuntu):
assignee: nobody → Peter Kennes (mgt2000)
Matt 6:27 (goffice) wrote :

I'm having the same issue in the Unity launcher. External hard drive connected via USB. When I right-click the drive in the launcher and then select 'safely remove', it spins down the drive for about 5 seconds, then remounts. Did not experience this in Lucid. Currently using 11.10 and kernel 3.0.0-14-generic.

Peter Kennes (mgt2000) on 2012-01-08
Changed in nautilus (Ubuntu):
assignee: Peter Kennes (mgt2000) → nobody
vasja pupkin (klient1982) wrote :

same problem Ubuntu 10.10

Matt 6:27 (goffice) wrote :

I just discovered that when I first 'safely remove' it remounts as noted in post #20 above, but once external HD activity ceases (after the remount), I can use "safely remove" a second time and it spins down and stays off.

Dennis Fehr (cy-raid) wrote :

This also affects me.. I really wish this would get fixed, it's been around for quite some time and it's so annoying. I wonder how many other people it affects, and they just don't voice their opinion..

pelm (pelle-ekh) wrote :

For me too on Ubuntu 12.04, fresh install (yesterday daily ISO). As described, first time when i securely removes a USB drive with the rightclick option in Unity launcher it automatically remount in a few seconds. The second time i try to securely remove the drive it works. In Lucid it was no problem.

Matthias Niess (mniess) wrote :

This only happens on certain nvidia chipsets and only with newer kernels (the nautilus-version doesn't really matter).

Changed in nautilus (Ubuntu):
status: Confirmed → Invalid
Changed in usb-creator (Ubuntu):
status: Confirmed → Invalid
pelm (pelle-ekh) wrote :

Is there some workaround for this issue? It's a really big issue which users not knowing it can lose data when unplug the device too soon.

Martin Wildam (mwildam) wrote :

I don't have an nvidia chipset and it happened to me also - however does not occur any more on Precise released version with latest updates.

sojourner (itsmealso2) wrote :

hitting eject instead of safely remove works for me

Martin Wildam (mwildam) wrote :

Tried again (as a while passed by and I am currently on 12.04): Still same issue.

Clicking eject in Nautilus seems to remove the device correctly, but disk usage analyzer for example still sees it - so that does not completely unmount the drive/device!

I consider this a critical issue as I am not always able to eject and in the next seconds find the correct plug - otherwise it is already remounted when I unplug it.

Marius B. Kotsbak (mariusko) wrote :

Are any of you able to test a 12.10 live CD of the latest beta or daily image?

Rod Zazubek (zazubek) wrote :

This problem has not gone away with
Linux Mint 14 (Ubuntu 12.10) on my
pc with the nvidia chipset.
In fact, it is now worse because
Safely Remove Drive has been removed.
See launchpad #1067876.
So to safely remove my portable hard drive
I now need the following 4 commands:
> udisks --unmount /dev/sdb1
> udisks --detach /dev/sdb
wait for remount
> udisks --unmount /dev/sdb1
> udisks --detach /dev/sdb
Replace sdb with whatever your drive is using.
Add more udisks --unmount commands if you have
multiple partitions mounted.

Chris (fabricator4) wrote :

Confirmed for both 12.04 and 12.10, ASRock N68-VS3 FX motherboard, NVidia chipset.

When you click "Safely remove" on the launcher icon and then wait for buffers to be flushed, device remounts. The remount is done as a USB 1.x device as the speed is very slow on transfer (about 1MiB / minute). In the log (attached) it appears to think that the device is plugged into a slow speed hub.

     *-usb:0
          description: USB controller
          product: MCP61 USB 1.1 Controller
          vendor: NVIDIA Corporation
          physical id: 2
          bus info: pci@0000:00:02.0
          version: a3
          width: 32 bits
          clock: 66MHz
          capabilities: pm ohci bus_master cap_list
          configuration: driver=ohci_hcd latency=0 maxlatency=1 mingnt=3
          resources: irq:23 memory:effff000-efffffff

Walter Ribeiro (wribeirojr) wrote :

At the first time pen drive is "safely removed", it is automatically remounted immediately.
If I repeat the operation, automatic remount don't occur.

Ubuntu 13.04 - HP Pavilion dv6000

Nithin C (nithin-aneesh) wrote :

The automatic remount occurs in Ubuntu 13.04 beta 1

no longer affects: nautilus
Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in ubuntu:
status: New → Confirmed
Nithin C (nithin-aneesh) on 2013-04-09
affects: nautilus → ubuntu
Changed in nautilus (Ubuntu):
status: Invalid → Confirmed

After seeing this in some older version of Ubuntu this issue never reoccurred with whatever USB stick or -drive I have. I currently use Ubuntu 12.04LTS_64bit. I have no USB3 hardware.

chris blake (cblake-r) wrote :

12.04 ASUS 64 bit.
This only happens on usb 3.0 port, the 2.0 ports work as expected

I'm using 12.04 on Asus u41.
This damn problem exists for safely remove of USB hard disks but USB falsh has no probelm.

Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in ubuntu:
status: New → Confirmed
beni (benicchio) wrote :

I can confirm the bug. And it started after the upgrade to 13.04 - 64bit on a Dell XPS-8500. It was not happening on 12.10.
Only affects USB 3.0 ports (2.0 safely removes ok).
The only way to unmount a USB hard drive in my case is clicking on the arrow icon on Nautilus window. If I click on Safely Remove, both on Nautilus or on launcher icon, the drive is re-mounted.

jcsjcs (jorg-schuler) wrote :

I would like to confirm what beni wrote on 2013-05-04.

I've just installed 13.04 on a zenbook with only USB 3.0 ports. "Safely Removing" USB harddisks or memory results in immediate re-mounting. Only clicking on the arrow in a Nautilus (or unmounting in a terminal "umount /media/...") will allow me to safely remove my disk.

My previous computer with 12.04 did not have USB 3.0 ports and I didn't experience this problem.

Martin Wildam (mwildam) wrote :

On Sun, May 26, 2013 at 4:16 PM, jcsjcs <email address hidden> wrote:
> My previous computer with 12.04 did not have USB 3.0 ports and I didn't
> experience this problem.

I have experienced the problem on 12.04 in the beginning, but went
away with some kernel update (currently running 3.5.0-30-generic which
works fine), so this might be the reason why you didn't experience it
on 12.04.

Best regards, Martin.

Norbert (nrbrtx) wrote :

I got this behaviour with one of my flashed under Ubuntu 12.04.

HousieMousie2 (housiemousie2) wrote :

My laptop is an older machine:
00:04.0 USB controller: NVIDIA Corporation MCP79 OHCI USB 1.1 Controller (rev b1)
00:04.1 USB controller: NVIDIA Corporation MCP79 EHCI USB 2.0 Controller (rev b1)
00:06.0 USB controller: NVIDIA Corporation MCP79 OHCI USB 1.1 Controller (rev b1)
00:06.1 USB controller: NVIDIA Corporation MCP79 EHCI USB 2.0 Controller (rev b1)

This bug affects me.

The USB/External drive remounts almost immediately after Safely Remove, but will properly unmount and stay unmounted after the second Safely Remove.

miusang (858690042-5) wrote :

The same bug for me in Ubuntu 12.04.

Only eSATA port works. The other USB ports don't work at all.

The laptop I just bought last year meet the bug but the old PC in my home doesn't come across the bug.
After my time-consuming reflection, I suspect that the reason may be due to the problem in nautilus dealing with USB 2.0 and USB 3.0 port.

The nautilus doesn't deal well with USB 3.0 but deal well with USB 2.0.

Sabine (sabse) wrote :

Same bug with Ubuntu 13.04

Yesterday I updated from ubuntu 12.10 to 13.04 using the software updater.
Now when I plug-in my external hdd it automounts again in seconds after I hit 'safely remove'. It does not stay unmounted even after multiple times hitting 'safely remove' I can only remove it when I either do ' sudo eject /media/...' or 'sudo umount /media/....'

I hadn't had this problem with 12.10. It doesn't make a difference if I use the Usb 2.0 or 3.0 port on my computer.

In addition a Usb pen drive that was working perfectly before is not working at all anymore and not even listed
when I do 'sudo fdisk -l'

My computer does have a Nvidia Graphics card and I use gnome not unity

no longer affects: ubuntu
no longer affects: usb-creator (Ubuntu)
Changed in udev (Ubuntu):
importance: Undecided → Medium
Matthias Niess (mniess) wrote :

This problem is still present in 13.10 and trusty. As long as you use the affected nvidia chipset on the motherboard. I upgraded the computer I have with this motherboard just to see if the bug is still there. I won't be upgrading it anymore. So I can't give any more feedback and hereby unsubscribe from this bug.

Eero (eero+launchpad) wrote :

It's not just Nvidia chipsets. I'm having this issue with Intel chipset in 12.04.

$ lspci
00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09)
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09)
00:16.0 Communication controller: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 (rev 04)
00:16.3 Serial controller: Intel Corporation 6 Series/C200 Series Chipset Family KT Controller (rev 04)
00:19.0 Ethernet controller: Intel Corporation 82579LM Gigabit Network Connection (rev 04)
00:1a.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 (rev 04)
00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 04)
00:1c.0 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 (rev b4)
00:1c.1 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 2 (rev b4)
00:1c.3 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 4 (rev b4)
00:1c.4 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 5 (rev b4)
00:1c.6 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 7 (rev b4)
00:1d.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 (rev 04)
00:1f.0 ISA bridge: Intel Corporation QM67 Express Chipset Family LPC Controller (rev 04)
00:1f.2 SATA controller: Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller (rev 04)
00:1f.3 SMBus: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller (rev 04)
03:00.0 Network controller: Intel Corporation Centrino Advanced-N 6205 [Taylor Peak] (rev 34)
0d:00.0 System peripheral: Ricoh Co Ltd MMC/SD Host Controller (rev 07)
0e:00.0 USB controller: NEC Corporation uPD720200 USB 3.0 Host Controller (rev 04)

$ lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 009: ID 0bdb:1911 Ericsson Business Mobile Networks BV
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 003: ID 147e:2016 Upek Biometric Touchchip/Touchstrip Fingerprint Sensor
Bus 001 Device 004: ID 04f2:b217 Chicony Electronics Co., Ltd

Raghavendra Rao (coytar) wrote :

This is quite annoying! I'm using 13.10 and I just tried to safely remove a Samsung 1TB external drive (USB3.0 device plugged into USB3.0 port) but it kept remounting. I tried it this way as well:

sudo udisks --unmount /dev/sde1
sudo udisks --detach /dev/sde1

and that also remounted except it took a few seconds longer.

Here is my USB hardware info:
$ lspci | grep USB
00:1a.0 USB controller: Intel Corporation C600/X79 series chipset USB2 Enhanced Host Controller #2 (rev 05)
00:1d.0 USB controller: Intel Corporation C600/X79 series chipset USB2 Enhanced Host Controller #1 (rev 05)
06:00.0 USB controller: ASMedia Technology Inc. ASM1042 SuperSpeed USB Host Controller
07:00.0 USB controller: ASMedia Technology Inc. ASM1042 SuperSpeed USB Host Controller
08:00.0 USB controller: ASMedia Technology Inc. ASM1042 SuperSpeed USB Host Controller

Abhirav Kumar (akabhirav) wrote :

This bug affects all the Ubuntu versions from 10.10 to 13.10 and also maybe 14.04 till now.
How ever I had the problem in 13.04 and 13.10 only on usb 3.0 and not 2.0.
Please solve the problem soon
This bug should atleast be of medium importance and please assign someone to it soon

Ubuntu 13.10

Nick Sharp (njsharp) wrote :

I have this problem on 12.04 with a new Seagate 3TB usb3 external drive ON A USB3 interface. Will test later on 14.04; waiting for final release at present.

For me, safe removal never works (drive always returns) unlike others above, who find it does work second time.

I reduced the problem a little by:

System Settings/Details/Removable Media/Never prompt or start programs on media insertion (TICK)

and dconf-editor:

org.gnome.desktop.media-handling
automount (UNtick)
automount-oepn (UNtick)
automount-never (TICK)

Of course, then I have to open disk utility and mount drives by hand and open the mount point by hand. No big deal.

Interestingly, the problem does not occur if the drive is connected via a USB2 interface, but that rather spoils the point of having a USB3-capable drive! In fact, it dropped the read time to about 1/5th but made almost no difference to the write time, so if your use of the drive is primarily to archive files, it seems: connect via USB2 interface is quite a good idea for now!

I suspect that the issue is related to the USB3 interface, both in the drive and the PC.

A Seagate ST2000DM001 (2Tb USB interface) external drive CONNECTED ON A USB3 INTERFACE DOES behave correctly on SAFE REMOVAL and does NOT reappear in the list in disk utility.

(probably off topic) It is interesting to note that on my drive (Seagate STNV3000300) the interface at the disk enclosure is a PAIR of connectors side by side, not a simple mini or micro USB peripheral interface.

Nick Sharp

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