** Changed in: linux (Ubuntu)
       Status: Incomplete => Confirmed

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1824559

Title:
  Lenovo Yoga mouse is slow & laggy in bluetooth mode (low polling
  frequency)

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Hello,
  I have an issue with a lenovo yoga mouse.
  This mouse has 2 working mode either bluetooth or with a provided usb dongle.
  USB dongle works fine, but bluetooth don't.
  Cursor is slow and laggy.
  "evhz" (https://gitlab.com/iankelling/evhz) reports 22Hz in bluetooth mouse 
while USB mode and other mouse reports 125Hz.
  Polling speed is too slow.

  I tried different howto suggesting to change usbhid mousepoll value => does 
not help.
  The mouse seems handled by btusb module, not usbhid (modprobe -r usbhid 
killed my other mouse, but not the lenovo, while modprobe -r btusb killed the 
lenovo).

  I tried 2 laptops (XPS9370 with 18.04, kernel 4.18 and kernek 5.07 and
  an older dell Precision M6400 16.04 kernel 4.15).

  Bluetooth pairing works well, either with gnome bluetooth interface or
  with "bluetoothctl"

  Both laptops reports ~20-22Hz polling speed with evhz (and same laggy
  behavior)

  I also tried 2 bluetooth interface on the XPS13 9370 : the integrated
  bluetooth and a Sabrent USB Bluetooth 4.0 (to connect with the
  Sabrent, I have switched off integrated bluetooth with rfkill).

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: bluetooth (not installed)
  Uname: Linux 5.0.7-050007-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.6
  Architecture: amd64
  CurrentDesktop: GNOME
  Date: Fri Apr 12 18:05:16 2019
  DistributionChannelDescriptor:
   # This is a distribution channel descriptor
   # For more information see 
http://wiki.ubuntu.com/DistributionChannelDescriptor
   canonical-oem-somerville-xenial-amd64-20160624-2
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2018-05-10 (337 days ago)
  InstallationMedia: Ubuntu 16.04 "Xenial" - Build amd64 LIVE Binary 
20160624-10:47
  InterestingModules: rfcomm bnep btusb bluetooth
  MachineType: Dell Inc. XPS 13 9370
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.0.7-050007-generic 
root=UUID=d36c5071-0243-427d-8fe1-7416c3b775f1 ro quiet splash vt.handoff=1
  SourcePackage: bluez
  UpgradeStatus: Upgraded to bionic on 2019-03-02 (40 days ago)
  dmi.bios.date: 02/14/2019
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.8.1
  dmi.board.name: 0F6P3V
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 10
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: 
dmi:bvnDellInc.:bvr1.8.1:bd02/14/2019:svnDellInc.:pnXPS139370:pvr:rvnDellInc.:rn0F6P3V:rvrA00:cvnDellInc.:ct10:cvr:
  dmi.product.family: XPS
  dmi.product.name: XPS 13 9370
  dmi.product.sku: 07E6
  dmi.sys.vendor: Dell Inc.
  hciconfig:
   hci0:        Type: Primary  Bus: USB
        BD Address: 9C:B6:D0:8B:33:C6  ACL MTU: 1024:8  SCO MTU: 50:8
        UP RUNNING PSCAN 
        RX bytes:12041 acl:294 sco:0 events:363 errors:0
        TX bytes:8633 acl:76 sco:0 commands:171 errors:0

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1824559/+subscriptions

-- 
Mailing list: https://launchpad.net/~kernel-packages
Post to     : kernel-packages@lists.launchpad.net
Unsubscribe : https://launchpad.net/~kernel-packages
More help   : https://help.launchpad.net/ListHelp

Reply via email to