The issue has appeared on Ubuntu 16.04 with the 4.4.0-28-generic kernel. When doing
sudo hdparm -tT /dev/sde /dev/sde: Timing cached reads: 8598 MB in 2.00 seconds = 4302.13 MB/sec Timing buffered disk reads: 56 MB in 3.11 seconds = 18.03 MB/sec Everything seems fine, but when writing into the USB drive the writing speed falls down to 9.34KB/s -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/624510 Title: Copying To USB Is Very Slow To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/624510/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
