Nando, the issue you are reporting is an upstream one. Could you please
report this problem with logs from the latest mainline kernel (not
Ubuntu kernel) following the instructions at
https://wiki.ubuntu.com/Bugs/Upstream/kernel to the appropriate mailing
list (TO: Greg Kroah-Hartman, and QCA
** Tags removed: kernel-bug-exists-upstream-4.17
** Tags added: kernel-bug-exists-upstream-4.17.1
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https://bugs.launchpad.net/bugs/1775230
Title:
TP-LINK TL-WN722N causes
1)The manufacturer is "VIA Apollo Pro" and the model is "693-596A-DD"
2)"4.51 PG" and "04/07/00"
3) Tried 4.17.1-041701-generic and the problem still persists.
4a)Two USB ports, both free (no USB keyboard/mouse in use).
4b)The problem persists no matter the USB port the device is connected
to.
Nando:
1) Could you please provide the full motherboard manufacturer and model?
2) Could you please provide the output of the following terminal command:
sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date
3) To keep this relevant to upstream, one will want to test the latest
** Tags added: bionic kernel-bug-exists-upstream-4.17
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Title:
TP-LINK TL-WN722N causes 100% CPU usage due to trace logging
Status
1)Sticker on the TP-Link box says "Version 1.10"
2)It's a custom PC (parts from all over the place), so it has no
"sticker" or something similar.
3)I hadn't tested the particular device on previous
kernels/installations on this PC. The device works as expected on
machines with USB 2.0 ports.
Nando, in addition to providing the test results from
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1775230/comments/4
:
1) As per TP-Link there are three versions of this device https://www
.tp-link.com/us/download/TL-WN722N.html. Which version do you have?
2) As per the sticker of the
I just tried to use the same exact device on a PC that runs the same
version of Ubuntu (kernel: 4.15.0-22-generic) but has USB 2.0 ports and
it worked as expected. The machine which reports the error has only USB
1.0/1.1 ports.
Does this fact make the problem clearer or should I still try and
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.17 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
This is a text-only installation, and I cannot seem to login to
launchpad via a text browser (error: "bad robot go away").
Is there another way I can provide the information needed?
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
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Title:
TP-LINK TL-WN722N causes 100% CPU usage due to
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