[Bug 1792045] [NEW] Ubuntu 18.04 external USB hard drive performance 1/10th of 16.04

Public bug reported: >From both a live and an installed environment, I cannot get my external 8TB sata hard drive (attached via USB 3) to write faster than about 10 megabytes per second under Ubuntu 18.04. I have another that writes at the expected full speed or close enough (100+ MBps). I have t

[Bug 1792045] Re: Ubuntu 18.04 external USB hard drive performance 1/10th of 16.04

** Summary changed: - Ubuntu 18.04 external USB performance 1/10th of 16.04 + Ubuntu 18.04 external USB hard drive performance 1/10th of 16.04 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1792045 Ti

[Bug 1792045] Re: Ubuntu 18.04 external USB hard drive performance 1/10th of 16.04

** Description changed: - From both a live and an installed environment, I cannot get my external - 8TB sata hard drive (attached via USB 3) to write faster than about 10 - megabytes per second under Ubuntu 18.04. I have another that writes at - the expected full speed or close enough (100+ MBps).

[Bug 1792045] Re: Ubuntu 18.04 external USB hard drive performance 1/10th of 16.04

Hi there, Thank you for your response. As requested I tested the newest mainline kernel 4.19-rc3. Unfortunately the issue persists. Something of note that I just discovered: A live session of 18.04 does NOT have this issue. The kernel version reported there is 4.15.0-29 (I think. Whatever ships o

Re: [Bug 1792045] Re: Ubuntu 18.04 external USB hard drive performance 1/10th of 16.04

All of the tested disks use ext4. On Fri, Sep 14, 2018 at 4:11 AM Kai-Heng Feng wrote: > What filesystem does the external disk use? > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/1792045 > > Title: > Ubuntu 18.04 e

Re: [Bug 1792045] Re: Ubuntu 18.04 external USB hard drive performance 1/10th of 16.04

Hi there, Sorry for the delayed reply. Yes, I can try that. I won't be able to get to it until this weekend, though. I really appreciate the help! I'll report back when I have more information. Thanks again, Phil On Mon, Sep 17, 2018 at 1:40 AM Kai-Heng Feng wrote: > Would it be possible for y

[Bug 1792045] Re: Ubuntu 18.04 external USB hard drive performance 1/10th of 16.04

Hello again! I apologize for never updating this bug report again. Right after my last response I had a series of bad life events one after another for a few months that kept me away. I'm happy to report that this no longer seems like an issue for me in Ubuntu 18.04. USB speeds are maxing out the

[Bug 582390] Re: File transfers to USB devices constantly SLOWS down on large files > 200MB!

Tested with 2.6.35-rc6-maverick, bug still persists. ** Tags removed: needs-upstream-testing ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- File transfers to USB devices constantly SLOWS down on large files > 200MB! https://bugs.launchpad.net/bugs/582390 You received th

[Bug 582390] Re: File transfers to USB devices constantly SLOWS down on large files > 200MB!

There are lots of reports of this bug in various iterations. Please also see bugs # 88746, 490112, 541937 and 599755. They all seem to exhibit the same behavior. I'm currently using Lucid 64-bit. I'm going to copy and paste a post from the System76 support forums on what I've done to troubleshoot

[Bug 582390] apport information

AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21. Architecture: amd64 ArecordDevices: List of CAPTURE Hardware Devices card 0: Intel [HDA Intel], device 0: ALC272 Analog [ALC272 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 AudioDevicesInUse: USER

[Bug 582390] AlsaDevices.txt

apport information ** Attachment added: "AlsaDevices.txt" http://launchpadlibrarian.net/53509665/AlsaDevices.txt -- File transfers to USB devices constantly SLOWS down on large files > 200MB! https://bugs.launchpad.net/bugs/582390 You received this bug notification because you are a member of

[Bug 582390] AplayDevices.txt

apport information ** Attachment added: "AplayDevices.txt" http://launchpadlibrarian.net/53509668/AplayDevices.txt -- File transfers to USB devices constantly SLOWS down on large files > 200MB! https://bugs.launchpad.net/bugs/582390 You received this bug notification because you are a member

[Bug 582390] BootDmesg.txt

apport information ** Attachment added: "BootDmesg.txt" http://launchpadlibrarian.net/53509671/BootDmesg.txt -- File transfers to USB devices constantly SLOWS down on large files > 200MB! https://bugs.launchpad.net/bugs/582390 You received this bug notification because you are a member of Ubu

[Bug 582390] Card0.Amixer.values.txt

apport information ** Attachment added: "Card0.Amixer.values.txt" http://launchpadlibrarian.net/53509674/Card0.Amixer.values.txt -- File transfers to USB devices constantly SLOWS down on large files > 200MB! https://bugs.launchpad.net/bugs/582390 You received this bug notification because you

[Bug 582390] Card0.Codecs.codec.0.txt

apport information ** Attachment added: "Card0.Codecs.codec.0.txt" http://launchpadlibrarian.net/53509677/Card0.Codecs.codec.0.txt -- File transfers to USB devices constantly SLOWS down on large files > 200MB! https://bugs.launchpad.net/bugs/582390 You received this bug notification because y

[Bug 582390] Card0.Codecs.codec.1.txt

apport information ** Attachment added: "Card0.Codecs.codec.1.txt" http://launchpadlibrarian.net/53509679/Card0.Codecs.codec.1.txt -- File transfers to USB devices constantly SLOWS down on large files > 200MB! https://bugs.launchpad.net/bugs/582390 You received this bug notification because y

[Bug 582390] Card1.Codecs.codec.0.txt

apport information ** Attachment added: "Card1.Codecs.codec.0.txt" http://launchpadlibrarian.net/53509682/Card1.Codecs.codec.0.txt -- File transfers to USB devices constantly SLOWS down on large files > 200MB! https://bugs.launchpad.net/bugs/582390 You received this bug notification because y

[Bug 582390] CurrentDmesg.txt

apport information ** Attachment added: "CurrentDmesg.txt" http://launchpadlibrarian.net/53509683/CurrentDmesg.txt -- File transfers to USB devices constantly SLOWS down on large files > 200MB! https://bugs.launchpad.net/bugs/582390 You received this bug notification because you are a member

[Bug 582390] IwConfig.txt

apport information ** Attachment added: "IwConfig.txt" http://launchpadlibrarian.net/53509687/IwConfig.txt -- File transfers to USB devices constantly SLOWS down on large files > 200MB! https://bugs.launchpad.net/bugs/582390 You received this bug notification because you are a member of Ubunt

[Bug 582390] Lspci.txt

apport information ** Attachment added: "Lspci.txt" http://launchpadlibrarian.net/53509689/Lspci.txt -- File transfers to USB devices constantly SLOWS down on large files > 200MB! https://bugs.launchpad.net/bugs/582390 You received this bug notification because you are a member of Ubuntu Bugs

[Bug 582390] Lsusb.txt

apport information ** Attachment added: "Lsusb.txt" http://launchpadlibrarian.net/53509690/Lsusb.txt -- File transfers to USB devices constantly SLOWS down on large files > 200MB! https://bugs.launchpad.net/bugs/582390 You received this bug notification because you are a member of Ubuntu Bugs

[Bug 582390] PciMultimedia.txt

apport information ** Attachment added: "PciMultimedia.txt" http://launchpadlibrarian.net/53509692/PciMultimedia.txt -- File transfers to USB devices constantly SLOWS down on large files > 200MB! https://bugs.launchpad.net/bugs/582390 You received this bug notification because you are a membe

[Bug 582390] ProcCpuinfo.txt

apport information ** Attachment added: "ProcCpuinfo.txt" http://launchpadlibrarian.net/53509696/ProcCpuinfo.txt -- File transfers to USB devices constantly SLOWS down on large files > 200MB! https://bugs.launchpad.net/bugs/582390 You received this bug notification because you are a member of

[Bug 582390] ProcInterrupts.txt

apport information ** Attachment added: "ProcInterrupts.txt" http://launchpadlibrarian.net/53509700/ProcInterrupts.txt -- File transfers to USB devices constantly SLOWS down on large files > 200MB! https://bugs.launchpad.net/bugs/582390 You received this bug notification because you are a mem

[Bug 582390] ProcModules.txt

apport information ** Attachment added: "ProcModules.txt" http://launchpadlibrarian.net/53509732/ProcModules.txt -- File transfers to USB devices constantly SLOWS down on large files > 200MB! https://bugs.launchpad.net/bugs/582390 You received this bug notification because you are a member of

[Bug 582390] UdevDb.txt

apport information ** Attachment added: "UdevDb.txt" http://launchpadlibrarian.net/53509739/UdevDb.txt -- File transfers to USB devices constantly SLOWS down on large files > 200MB! https://bugs.launchpad.net/bugs/582390 You received this bug notification because you are a member of Ubuntu Bu

[Bug 582390] UdevLog.txt

apport information ** Attachment added: "UdevLog.txt" http://launchpadlibrarian.net/53509748/UdevLog.txt -- File transfers to USB devices constantly SLOWS down on large files > 200MB! https://bugs.launchpad.net/bugs/582390 You received this bug notification because you are a member of Ubuntu

[Bug 582390] WifiSyslog.txt

apport information ** Attachment added: "WifiSyslog.txt" http://launchpadlibrarian.net/53509757/WifiSyslog.txt -- File transfers to USB devices constantly SLOWS down on large files > 200MB! https://bugs.launchpad.net/bugs/582390 You received this bug notification because you are a member of U