[Bug 244356] Writing to a USB 3.0 stick is very slow

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=244356

--- Comment #44 from Sebastien Boisvert <seb at boisvert.info> ---
(In reply to Olivier Certner from comment #41)


Hi Olivier and Hans,

I agree with Olivier that it is unlikely that so many USB sticks from so many
manufacturers end up failing mostly in the same way, but yet work fine on
other operating systems.

I tried all my USB sticks with my mobo that has a AMD Promontory B450 chipset.
All these USB sticks that works very slowly in the USB 3.0 bus in FreeBSD 12.1
But on the same system, they work well on Ubuntu 18.04.

As you may know, I retired my USB sticks from production on my server.
I now boot on ZFS using a NVMe device.

Let me know if I can run some tests on my machine.

I think that one important test would be to test a USB 3.0 stick on a old
machine
that has USB 3.0 support.

My oldest machine is a Lenovo Thinkpad T430s.

I will try that later: use rsync to transfer /usr from FreeBSD 12.1 root to a
USB 3.0 device.

Thanks guys

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