Ive got this same issue on 16.04.02. It happens with nautilus and also rsync. Ubuntu is installed on ssd, and so shouldn't have any noticeable impact on the file transfer, but for some reason it does...
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to nautilus in Ubuntu. https://bugs.launchpad.net/bugs/1208993 Title: Ubuntu slows down and hangs while copying file from/to USB Status in nautilus package in Ubuntu: Confirmed Bug description: Hi While copying many and large files to and from a USB drive, the system becomes incredibly slow and sometimes hangs. I watched the system monitor while it was running slowly but cpu was not above 50% at any time, the same for memory. I'm using the "WD my passport" HD with a USB3 port of my "ASUS K55VD" laptop. Description: Ubuntu 13.04 Release: 13.04 nautilus: Installed: 1:3.6.3-0ubuntu16 Candidate: 1:3.6.3-0ubuntu16 Version table: *** 1:3.6.3-0ubuntu16 0 500 http://ubuntu-archive.mirror.nucleus.be/ raring/main amd64 Packages 100 /var/lib/dpkg/status Steps to reproduce: 1) Aquire many large files (like your totally legit moviecollection) 2) Copy files to external HD 3) Open your browser and be sad when your system becomes incredibly slow after a few minutes This is my first bugreport so if I'm missing something, please tell me. ProblemType: Bug DistroRelease: Ubuntu 13.04 Package: nautilus 1:3.6.3-0ubuntu16 ProcVersionSignature: Ubuntu 3.8.0-27.40-generic 3.8.13.4 Uname: Linux 3.8.0-27-generic x86_64 ApportVersion: 2.9.2-0ubuntu8.1 Architecture: amd64 Date: Tue Aug 6 22:56:34 2013 EcryptfsInUse: Yes ExecutablePath: /usr/bin/nautilus GsettingsChanges: b'org.gnome.nautilus.window-state' b'geometry' b"'656x715+154+151'" b'org.gnome.nautilus.window-state' b'maximized' b'true' InstallationDate: Installed on 2013-05-31 (67 days ago) InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424) MarkForUpload: True 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/1208993/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
