** Changed in: linux (Ubuntu)
Status: Confirmed => Fix Released
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Title:
[regression][bionic] Bluetooth keyboard battery
Excellent news! The bluetooth dock battery status started working
properly a couple of weeks ago. I can't be sure which update fixed the
bug, but here is the latest system status:-
ubuntu 19.10 eoan Desktop
5.3.0-26-generic x86_64 kernel
Bluez-* 5.50-0ubuntu4
gnome-bluetooth 3.34.0-1
udev
The system is now running 19.04 x64 desktop. The problem has not changed
in any obvious manner, although reporting of battery status for its
external logitech bluetooth mouse is now correct.
Ca anyone suggest how to perform further problem determination, or
perhaps even a circumvention. The 0%
** Tags added: cscc
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Title:
[regression][bionic] Bluetooth keyboard battery reports 0% (in kernel
4.15 and later)
Status in
I suspect I need to open a new bug for the ASUS docking station
(detachable bluetooth keyboard with touchpad) under 18.04.1 LTS.
This system is completely up to date, but it still reports 0% charge all
the time.
I checked the directory tree for /sys/class/power_supply/AC0 (the mouse
is
Oops! My post #56 should have said the other synaptics mouse is also OK
on 18.04.1 LTS (not 17.10). I also got the release of cosmic wrong - it
is 18.10, of course!
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Things are much improved now on cosmic 18.04 ubuntu studio:-
/sys/class/power_supply/BAT0/capacity:100
/sys/class/power_supply/hid-34:88:5d:87:92:8c-battery/capacity:85
Linux 4.18.0-11-lowlatency #12-Ubuntu SMP PREEMPT Tue Oct 23 21:12:42
UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
[The mouse is OK
Great, thanks.
The next step is for someone (a developer probably) to diff the kernel
source between 4.14.52 and 4.15-rc1 and look for relevant changes.
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This is what I am running right now (v4.15-rc1) and the keyboard is reporting 0%
Linux pceet070.cern.ch 4.15.0-041500rc1-generic #201711262030 SMP Mon Nov 27
01:32:09 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
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Thanks. Can you please test v4.15-rc1 to be sure?
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Title:
[regression][bionic] Bluetooth keyboard battery reports 0% (in kernel
I've tried the kernels from
http://kernel.ubuntu.com/~kernel-ppa/mainline/?C=N;O=D
and the last one that I found workding was the 4.14.52,
I presume that the next one is the 4.15.rc1, which shows the problem.
Are there somewhere more builds in between those two that I can search?
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You
This bug is now assigned to the Linux kernel. To help the kernel
developers find the cause of the regression they will probably ask for
someone experiencing the problem to "bisect" the issue in greater detail
than just "4.14 works but 4.15 doesn't". The steps are here:
On 04/06/18 13:02, Daniel van Vugt wrote:
> In comment #38 the original reporter confirms this bug did not exist up
> to and including in kernel 4.14. It only exists in kernel 4.15 and
> later.
>
> So on that basis any bug that does exist in 4.14 and earlier kernels
> would not be a duplicate of
In comment #38 the original reporter confirms this bug did not exist up
to and including in kernel 4.14. It only exists in kernel 4.15 and
later.
So on that basis any bug that does exist in 4.14 and earlier kernels
would not be a duplicate of this one.
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On 04/06/18 11:57, Daniel van Vugt wrote:
> Brian, it sounds like you should like a new bug.
>
> This bug is about a regression specifically in kernel 4.15, whereas 4.14
> works.
Thanks for your quick reply, Daniel. Unfortunately, it has me confused!
Both of my systems /are/ already running
Brian, it sounds like you should like a new bug.
This bug is about a regression specifically in kernel 4.15, whereas 4.14
works.
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I have the same problem with a Logitech M337 mouse and the
4.15.0-22-lowlatency kernel on my Dell Inspiron 15 laptop.
I also with a different Logitech M337 on the 4.4.15.0-22-generic kernel
on an Asus Transformer T300 Chi. Its bluetooth docking station reports
zero battery, too.
All three
** Changed in: linux (Ubuntu)
Status: Incomplete => New
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Title:
[regression][bionic] Bluetooth keyboard battery reports 0%
I am using the 4.15.0-20-generic. Just to clarify with this kernel after reboot
it doesn't report the battery on the keyboard, however letting my desktop on
for 2 days
it started reporting.
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Vasilis,
There was no kernel update to 18.04 yesterday, but there was to other
releases. Which one are you using now?
https://launchpad.net/ubuntu/+source/linux
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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Indeed with the new update my keyboard started reporting back
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Title:
[regression][bionic] Bluetooth keyboard battery reports 0%
I just noticed this. my bluetooth keyboard appears to be reporting the battery
status while the bluetooth mouse doesn't.
This wasnt the case earlier and both were reporting 0%.
To clarify on the timeline:
ubuntu 17.10 - both were reporting correctly.
after installation of 18.04, both stopped.
Is this solved in latest mainline kernel?
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Title:
[regression][bionic] Bluetooth keyboard battery reports 0% (in kernel
4.15 and
Thanks. Exact numbers help a lot.
** Summary changed:
- [regression][bionic] Bluetooth keyboard battery reports 0%
+ [regression][bionic] Bluetooth keyboard battery reports 0% (in kernel 4.15
and later)
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