Bluetooth coexistence has also come up in Bluetooth audio bug reports.
However it's very much specific to the driver you're using. In
particular, Qualcomm Atheros users please see bug 1746164.
If you're using a better supported Intel wifi/Bluetooth chip then I
would expect it's not a driver
^I agree with John that this must be related to both Bluetooth and Wifi
on at the same time. I don't have an RJ45-USBC dongle to confirm however
Im able to see an increase in how often the shuddering occurs when using
a 5GHz band wifi vs a 2.4GHz.
I was suggested to update the BIOS by another
I have a feeling that this is related to bluetooth and wifi coexistence.
https://wireless.wiki.kernel.org/en/users/Drivers/iwlwifi#wi-
fibluetooth_coexistence
In essence, bleutooth and wifi operate on similar (the same) frequencies
and will interfere. Normally this is handled in the
Update. I replaced my USB bluetooth dongle Bluetooth V4.0 to a very old
one V2.0 and since a week now I have no problems with any keyboard or
with the mouse.
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I've tried changing the power management from auto to on of the
bluetooth driver but with no success as well.
If you have ideas on what to check, I am willing to test it. I like a
lot the form factor of the small BT keyboard, and I would like to find a
solution
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I have subscribed Konrad to this bug. He told me he had spent time
debugging this issue in the past.
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https://bugs.launchpad.net/bugs/1454450
Title:
Bluetooth mouse laggy and erratic
I've tried also (something reported to other sites)
sudo sh -c 'echo N > /sys/module/drm_kms_helper/parameters/poll'
with no success
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Title:
I'e trrrid
also "scan off" with no success
(first line from the BT keyboard)
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Title:
Bluetooth mouse laggy and
I have the same issue laggy only (no disconnects) with all my bluetooth HID
devices, and it is the same on both Ubuntu 17.04 as well fedora core 25.
- Keyboard logitech K810
- Mac keyboard
- Dell BT mouse
The problem did not exist on very old versions of bluez at least with
the Mac keyboard.
Having the same issue with Logitech m535 and dell xps 13 9350 with
broadcom bcm4350 card.
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Title:
Bluetooth mouse laggy and erratic
To manage
As far as I know, the lag generally happens using bluetooth scanning
(searching). Although scanning should be less disruptive than it is,
this seems to be a problem that persists even in current Bluez releases.
You might want to try running 'bluetoothctl' and then typing 'scan off'.
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I experience the same bug on my Thinkpad Yoga 260 with Ubuntu 16.04.2
and 4.11.7 kernel (the issue happened also on older kernels) with my
Thinkpad Compact Bluetooth Keyboard with Trackpoint. The dmesg output
looks like this:
[ 4952.521400] lenovo 0005:17EF:6048.0017: unknown main item tag 0x0
[
** Tags added: papercuts2017
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Title:
Bluetooth mouse laggy and erratic
To manage notifications about this bug go to:
I am having the laggy bluetooth mouse issue with a Logitech MX Anywhere
2 and a Lenovo T450s.
The modprobe suggestion from @cribari has worked for me so far, but I've
only done 5 minutes of testing at this point, and only one suspend-
resume cycle.
Order of operations:
1)
I am having the same issue running a bluetooth TECKNET BM306 mouse
connecting to the internal bluetooth of an EliteBook 8560W running
Ubuntu 16.04.
dmesg:
[54507.549501] hid-generic 0005:0A5C:0001.0008: unknown main item tag 0x0
[54507.549630] input: TECKNET BM306 as
I am having this same problem with Logitech m535 bluetooth mouse running
Ubuntu 16.04 on a Dell XPS13 9350. Here is the result of the command
issued by the OP. Any ideas?
[2.817422] Bluetooth: Core ver 2.21
[2.817443] Bluetooth: HCI device and connection manager initialized
[2.817446]
So, right now i am working with new (native ubuntu, 5.37) libbluetooth
and with bluez 5.27 downloaded from bluez.org, and there are no lags at
all, only disconnects. So i guess the reason for lags is in bluez
itself.
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Well, you know better than me for sure) But that same mistake appears really
often under several linux distributions right before bluetooth keyboard
disconnects. Too often to be a coincidence for me.
So, did i activate bluetooth debug options, was my logs as helpful as they can
be?
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Hey, I have checked with our hardware team and it seems the Intel error
that you are experiencing should have nothing to do with Bluetooth
performance.
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The intel error only causes disconnects, but not all of them are because of
intel error. Often it disconnects by itself, without any other errors.
And there are no lags and repeatings on older bluez, just disconnects. Another
thing is that keyboard was designed for android mainly? so it should
** Attachment added: "Syslog as recieved from the reporter"
https://bugs.launchpad.net/ubuntu/+source/bluez/+bug/1454450/+attachment/4692716/+files/syslog
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** Attachment added: "Syslog as recieved from the reporter"
https://bugs.launchpad.net/ubuntu/+source/bluez/+bug/1454450/+attachment/4692717/+files/syslog.1
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Thanks. The keyboard that yo use is a Bluetooth Classic one and we do
not have much issues with those. Of course, there are high chances that
we have not been performing our tests using the same model that you use
but just for you to know that the issues with BT Classic are something
unusual.
I
Thank you for your work)
The keyboard is http://www.samsung.com/us/support/owners/product/BKB-10USWEGXAR
Once it is paired it just becomes unstable. Big latency, and also Bbbugs
liiike thisss. That particular bug is making it unusable. Also i was checking
it in kacpimon, if acpi sees
Thank you for your work)
The keyboard is http://www.samsung.com/us/support/owners/product/BKB-10USWEGXAR
Once it is paired it just becomes unstable. Big latency, and also Bbbugs
liiike thisss. That particular bug is making it unusable. Also i was checking
it in kacpimon, if acpi sees
Hey, thanks for the updates and the investigation. However just to
clarify, you are talking about this keyboard http://www.sonymobile.com
/global-en/products/accessories/bluetooth-keyboard-bkb10/ right? Also,
do I understand rightly that once it is paired the connection gets
disconnected?
As an
Bluez 5.40 on Ubuntu and 5.38 on CM12.1 phone also laggy. But one detail
could help devs to find the bug. While pairing keyboard with PC i see a
number, that i have to type on the keyboard to connect it it. So typing
that numbers is always very fast and stable, i did try it a lot of
times. But
I have Samsung bluetooth keyboard bkb10 and laptop with bcm 43142
bluetooth adapter. Keyboard is very laggy(unsusable), and also
connection drops frequetly (i guess usually it is kernel bug causing
drops, it drops every time after some intel i915 bug in kernel, but not
always after that intel
I have to add that keyboard is not laggy with old bluez, but it is still
disconnecting frequently.
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Title:
Bluetooth mouse laggy and erratic
To
I am seeing this with a Logitech Bluetooth Laser travel Mouse on Ubuntu-16.04.
(The system is set to not sleep or suspend.)
The fix mentioned above seems to work:
sudo modprobe -r btusb
sudo modprobe btusb
Here is some output from dmesg:
[ 11.035464] vboxdrv: Found 8 processor cores
[
I observe this in a 15.10 installation.
Linux 4.2.0-18-generic #22-Ubuntu SMP Fri Nov 6 23:32:28 UTC 2015 i686
i686 i686 GNU/Linux
I'm using a logitech bluetooth kb+mouse. Everything works normally, then
I watch a movie in Kodi and when I exit to desktop again, mouse is very
laggy. So some kind
** Changed in: bluez (Ubuntu)
Importance: Undecided = Medium
** Changed in: linux-firmware (Ubuntu)
Importance: Undecided = Medium
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Title:
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux-firmware (Ubuntu)
Status: New = Confirmed
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: bluez (Ubuntu)
Status: New = Confirmed
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Title:
** No longer affects: hwe-next
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Title:
Bluetooth mouse laggy and erratic
To manage notifications about this bug go to:
The problem just happened again. I am enclosing below information
obtained from dmesg.
[54069.332038] CPU3 is up
[54069.335595] ACPI: Waking up from system sleep state S3
[54070.521751] ehci-pci :00:1d.0: System wakeup disabled by ACPI
[54070.522779] xhci_hcd :00:14.0: System wakeup
I then did
sudo modprobe -r btusb
sudo modprobe btusb
and the BT mouse was no longer laggy and erratic.
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Title:
Bluetooth mouse laggy and
The problem just happened to me again. I am including bellow the dmesg
information.
[39935.550219] ACPI: Waking up from system sleep state S3
[39936.749233] ehci-pci :00:1d.0: System wakeup disabled by ACPI
[39936.749486] xhci_hcd :00:14.0: System wakeup disabled by ACPI
[39936.749535]
** Changed in: hwe-next
Assignee: Adam Lee (adam8157) = (unassigned)
** Changed in: hwe-next
Assignee: (unassigned) = Keng-Yu Lin (lexical)
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http://askubuntu.com/questions/613614/bluetooth-not-working-in-
ubuntu-15-04 also mentioned this firmware.
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Title:
Bluetooth mouse laggy and
I noticed the following two lines.
[ 9442.157844] bluetooth hci0: firmware: brcm/BCM20702A0-0a5c-216f.hcd will not
be loaded
[ 9442.157846] Bluetooth: hci0: BCM: patch brcm/BCM20702A0-0a5c-216f.hcd not
found
Did you try the firmware as
https://askubuntu.com/questions/617513/bluetooth-not-connecting-to-
devices-even-though-it-recognizes-them also.
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Title:
Bluetooth mouse laggy
** Description changed:
I installed Ubuntu 15.04 (64 bit) on a DELL XPS 13 (model 9343, bios
A03) notebook. I use a DELL bluetooth mouse but sometimes it behaves
erratically (laggy, jumpy). The problem happens after a few (sometimes
one) suspend and resume. I am attaching below some info
** Also affects: linux-firmware (Ubuntu)
Importance: Undecided
Status: New
** Description changed:
I installed Ubuntu 15.04 (64 bit) on a DELL XPS 13 (model 9343, bios
A03) notebook. I use a DELL bluetooth mouse but sometimes it behaves
erratically (laggy, jumpy). The problem
** Changed in: hwe-next
Assignee: (unassigned) = Adam Lee (adam8157)
** Changed in: hwe-next
Status: New = Triaged
** Changed in: hwe-next
Importance: Undecided = High
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I followed the instructions available here:
http://askubuntu.com/questions/613614/bluetooth-not-working-in-
ubuntu-15-04
That is, I did:
wget https://www.dropbox.com/s/r2pb41rhx65t9zi/BCM20702A0-0a5c-216f.hcd
sudo cp BCM20702A0-0a5c-216f.hcd /lib/firmware/brcm/
sudo modprobe -r btusb
sudo
@cribari: What is the result?
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Title:
Bluetooth mouse laggy and erratic
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@fourdollars I did that when I first installed Ubuntu 15.04 on my new
DELL XPS 13 (2015 edition, model 9343, bios A03). I was then able to
pair devices via bluetooth. Nonetheless, I faced two major problems
after that: 1) my bluetooth mouse became laggy and erratic after a
suspend (to RAM) and
** Description changed:
I installed Ubuntu 15.04 (64 bit) on a DELL XPS 13 (model 9343, bios
A03) notebook. I use a DELL bluetooth mouse but sometimes it behaves
- erratically (laggy, jumpy). What could be causing that? Is there a fiz
- for that? I am attaching below some info on my system.
Thanks for taking the time to report this bug and helping to make Ubuntu
better. We appreciate the difficulties you are facing, but this appears
to be a regular (non-security) bug. I have unmarked it as a security
issue since this bug does not show evidence of allowing attackers to
cross
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