Public bug reported:

I have a powered external usb harddrive
https://www.bestbuy.ca/en-ca/product/western-digital-wd-my-book-4tb-2-5-usb-3-0-external-hard-drive-wdbbgb0040hbk-nesn-wdbbgb0040hbk-nesn/10482142.aspx

which i'm trying to mount.

connecting it shows in dmesg that it's picking up on a usb device.

after some time, it reports that a bunch of kernel tasks hung with some
callstacks

I first encountered this bug on a raspberry pi by running an upgrade (i
can't remember the original version but it use to work)

I then figured that i should check if the problem is also on my ubuntu machine 
running 16.04.
it did

i then upgraded to 17.10 and the problem was still there.

i then tested on 18.04 and the problem is still there.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-20-generic 4.15.0-20.21
ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
Uname: Linux 4.15.0-20-generic x86_64
ApportVersion: 2.20.9-0ubuntu7
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Sat Apr 28 20:27:26 2018
InstallationDate: Installed on 2015-08-06 (996 days ago)
InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
SourcePackage: linux-signed
UpgradeStatus: Upgraded to bionic on 2018-04-28 (0 days ago)
--- 
ApportVersion: 2.20.9-0ubuntu7
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  fcoulombe   2930 F.... pulseaudio
 /dev/snd/controlC1:  fcoulombe   2930 F.... pulseaudio
CurrentDesktop: ubuntu:GNOME
DistroRelease: Ubuntu 18.04
HibernationDevice: RESUME=UUID=65c5f96f-bc21-4d1f-8253-82cb3117fbb6
InstallationDate: Installed on 2015-08-06 (996 days ago)
InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
MachineType: LENOVO 20378
Package: linux (not installed)
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-20-generic 
root=UUID=c01a4e9a-489b-4b14-bd79-ce1cefb2f318 ro quiet splash vt.handoff=1
ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
RelatedPackageVersions:
 linux-restricted-modules-4.15.0-20-generic N/A
 linux-backports-modules-4.15.0-20-generic  N/A
 linux-firmware                             1.173
Tags:  bionic
Uname: Linux 4.15.0-20-generic x86_64
UpgradeStatus: Upgraded to bionic on 2018-04-28 (0 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 02/11/2015
dmi.bios.vendor: LENOVO
dmi.bios.version: 9ECN37WW(V2.01)
dmi.board.asset.tag: 31900058WIN
dmi.board.name: Lenovo Y50-70
dmi.board.vendor: LENOVO
dmi.board.version: 31900058WIN
dmi.chassis.asset.tag: 31900058WIN
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo Y50-70
dmi.modalias: 
dmi:bvnLENOVO:bvr9ECN37WW(V2.01):bd02/11/2015:svnLENOVO:pn20378:pvrLenovoY50-70:rvnLENOVO:rnLenovoY50-70:rvr31900058WIN:cvnLENOVO:ct10:cvrLenovoY50-70:
dmi.product.family: IDEAPAD
dmi.product.name: 20378
dmi.product.version: Lenovo Y50-70
dmi.sys.vendor: LENOVO

** Affects: linux-signed (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug apport-collected bionic

** Tags added: apport-collected

** Description changed:

  I have a powered external usb harddrive
  
https://www.bestbuy.ca/en-ca/product/western-digital-wd-my-book-4tb-2-5-usb-3-0-external-hard-drive-wdbbgb0040hbk-nesn-wdbbgb0040hbk-nesn/10482142.aspx
  
  which i'm trying to mount.
  
  connecting it shows in dmesg that it's picking up on a usb device.
  
  after some time, it reports that a bunch of kernel tasks hung with some
  callstacks
  
  I first encountered this bug on a raspberry pi by running an upgrade (i
  can't remember the original version but it use to work)
  
  I then figured that i should check if the problem is also on my ubuntu 
machine running 16.04.
  it did
  
  i then upgraded to 17.10 and the problem was still there.
  
  i then tested on 18.04 and the problem is still there.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: linux-image-4.15.0-20-generic 4.15.0-20.21
  ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
  Uname: Linux 4.15.0-20-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Sat Apr 28 20:27:26 2018
  InstallationDate: Installed on 2015-08-06 (996 days ago)
  InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 
(20150218.1)
  SourcePackage: linux-signed
  UpgradeStatus: Upgraded to bionic on 2018-04-28 (0 days ago)
+ --- 
+ ApportVersion: 2.20.9-0ubuntu7
+ Architecture: amd64
+ AudioDevicesInUse:
+  USER        PID ACCESS COMMAND
+  /dev/snd/controlC0:  fcoulombe   2930 F.... pulseaudio
+  /dev/snd/controlC1:  fcoulombe   2930 F.... pulseaudio
+ CurrentDesktop: ubuntu:GNOME
+ DistroRelease: Ubuntu 18.04
+ HibernationDevice: RESUME=UUID=65c5f96f-bc21-4d1f-8253-82cb3117fbb6
+ InstallationDate: Installed on 2015-08-06 (996 days ago)
+ InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 
(20150218.1)
+ MachineType: LENOVO 20378
+ Package: linux (not installed)
+ ProcFB: 0 inteldrmfb
+ ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-20-generic 
root=UUID=c01a4e9a-489b-4b14-bd79-ce1cefb2f318 ro quiet splash vt.handoff=1
+ ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
+ RelatedPackageVersions:
+  linux-restricted-modules-4.15.0-20-generic N/A
+  linux-backports-modules-4.15.0-20-generic  N/A
+  linux-firmware                             1.173
+ Tags:  bionic
+ Uname: Linux 4.15.0-20-generic x86_64
+ UpgradeStatus: Upgraded to bionic on 2018-04-28 (0 days ago)
+ UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
+ _MarkForUpload: True
+ dmi.bios.date: 02/11/2015
+ dmi.bios.vendor: LENOVO
+ dmi.bios.version: 9ECN37WW(V2.01)
+ dmi.board.asset.tag: 31900058WIN
+ dmi.board.name: Lenovo Y50-70
+ dmi.board.vendor: LENOVO
+ dmi.board.version: 31900058WIN
+ dmi.chassis.asset.tag: 31900058WIN
+ dmi.chassis.type: 10
+ dmi.chassis.vendor: LENOVO
+ dmi.chassis.version: Lenovo Y50-70
+ dmi.modalias: 
dmi:bvnLENOVO:bvr9ECN37WW(V2.01):bd02/11/2015:svnLENOVO:pn20378:pvrLenovoY50-70:rvnLENOVO:rnLenovoY50-70:rvr31900058WIN:cvnLENOVO:ct10:cvrLenovoY50-70:
+ dmi.product.family: IDEAPAD
+ dmi.product.name: 20378
+ dmi.product.version: Lenovo Y50-70
+ dmi.sys.vendor: LENOVO

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-signed in Ubuntu.
https://bugs.launchpad.net/bugs/1767738

Title:
  USB external harddrive hang

Status in linux-signed package in Ubuntu:
  New

Bug description:
  I have a powered external usb harddrive
  
https://www.bestbuy.ca/en-ca/product/western-digital-wd-my-book-4tb-2-5-usb-3-0-external-hard-drive-wdbbgb0040hbk-nesn-wdbbgb0040hbk-nesn/10482142.aspx

  which i'm trying to mount.

  connecting it shows in dmesg that it's picking up on a usb device.

  after some time, it reports that a bunch of kernel tasks hung with
  some callstacks

  I first encountered this bug on a raspberry pi by running an upgrade
  (i can't remember the original version but it use to work)

  I then figured that i should check if the problem is also on my ubuntu 
machine running 16.04.
  it did

  i then upgraded to 17.10 and the problem was still there.

  i then tested on 18.04 and the problem is still there.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: linux-image-4.15.0-20-generic 4.15.0-20.21
  ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
  Uname: Linux 4.15.0-20-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Sat Apr 28 20:27:26 2018
  InstallationDate: Installed on 2015-08-06 (996 days ago)
  InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 
(20150218.1)
  SourcePackage: linux-signed
  UpgradeStatus: Upgraded to bionic on 2018-04-28 (0 days ago)
  --- 
  ApportVersion: 2.20.9-0ubuntu7
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  fcoulombe   2930 F.... pulseaudio
   /dev/snd/controlC1:  fcoulombe   2930 F.... pulseaudio
  CurrentDesktop: ubuntu:GNOME
  DistroRelease: Ubuntu 18.04
  HibernationDevice: RESUME=UUID=65c5f96f-bc21-4d1f-8253-82cb3117fbb6
  InstallationDate: Installed on 2015-08-06 (996 days ago)
  InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 
(20150218.1)
  MachineType: LENOVO 20378
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-20-generic 
root=UUID=c01a4e9a-489b-4b14-bd79-ce1cefb2f318 ro quiet splash vt.handoff=1
  ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
  RelatedPackageVersions:
   linux-restricted-modules-4.15.0-20-generic N/A
   linux-backports-modules-4.15.0-20-generic  N/A
   linux-firmware                             1.173
  Tags:  bionic
  Uname: Linux 4.15.0-20-generic x86_64
  UpgradeStatus: Upgraded to bionic on 2018-04-28 (0 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 02/11/2015
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 9ECN37WW(V2.01)
  dmi.board.asset.tag: 31900058WIN
  dmi.board.name: Lenovo Y50-70
  dmi.board.vendor: LENOVO
  dmi.board.version: 31900058WIN
  dmi.chassis.asset.tag: 31900058WIN
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Lenovo Y50-70
  dmi.modalias: 
dmi:bvnLENOVO:bvr9ECN37WW(V2.01):bd02/11/2015:svnLENOVO:pn20378:pvrLenovoY50-70:rvnLENOVO:rnLenovoY50-70:rvr31900058WIN:cvnLENOVO:ct10:cvrLenovoY50-70:
  dmi.product.family: IDEAPAD
  dmi.product.name: 20378
  dmi.product.version: Lenovo Y50-70
  dmi.sys.vendor: LENOVO

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