** Tags added: cscc
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Title:
Ubuntu 18.04 external USB hard drive performance 1/10th of 16.04
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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
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
Would it be possible for you to do a kernel bisection?
First, find the last good -rc kernel and the first bad -rc kernel from
http://kernel.ubuntu.com/~kernel-ppa/mainline/
Then,
$ sudo apt build-dep linux
$ git clone git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
$ cd linux
$ g
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?
>
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> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1792045
>
> Title:
> Ubuntu 18.04 e
What filesystem does the external disk use?
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https://bugs.launchpad.net/bugs/1792045
Title:
Ubuntu 18.04 external USB hard drive performance 1/10th of 16.04
To manage notifications abo
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
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.19 kernel[0].
If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.
If the mainline kernel does not fix t
** 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).
** 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
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