This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:
apport-collect 1828302 and then change the status of the bug to 'Confirmed'. If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'. This change has been made by an automated script, maintained by the Ubuntu Kernel Team. ** Changed in: linux (Ubuntu) Status: New => Incomplete -- 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/1828302 Title: CSR Bluetooth driver: Insufficient performance compared to WIndows driver Status in linux package in Ubuntu: Incomplete Bug description: I'm reporting this because I'm pretty sure a class 2 bluetooth adapter shouldn't be unable to connect at less than 1 meter, when comparing this to the Windows driver at least... The bluetooth device is a CSR USB bluetooth 2.1 adapter hci1: Type: Primary Bus: USB BD Address: 00:15:83:xx:xx:xx ACL MTU: 310:10 SCO MTU: 64:8 UP RUNNING PSCAN RX bytes:667 acl:0 sco:0 events:49 errors:0 TX bytes:4783 acl:0 sco:0 commands:48 errors:0 Features: 0xff 0xff 0x8f 0xfe 0x9b 0xff 0x59 0x83 Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 Link policy: RSWITCH HOLD SNIFF PARK Link mode: SLAVE ACCEPT Name: 'luky-XPS-15-9550 #2 Class: 0x3c010c Service Classes: Rendering, Capturing, Object Transfer, Audio Device Class: Computer, Laptop HCI Version: 2.1 (0x4) Revision: 0x149c LMP Version: 2.1 (0x4) Subversion: 0x149c Manufacturer: Cambridge Silicon Radio (10) the kernel driver in use is `btusb` the ubuntu version is 19.04 the kernel version is 5.0.0-13-generic In Windows this adapter work normally, on Ubuntu Linux it's barely able to connect to any device and maintain a stable connection, it completely loses the connection unlikely in Windows after more than 40 centimeters Already tried the 5.1 mainline kernel, it doesn't seem different Worth noting that I also tried this on my laptop, and here looks like it works insanely better than my desktop pc... My desktop PC has a Ryzen 5 1600 CPU, and an MSI b350 mobo To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1828302/+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