** Description changed: 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) + 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 + 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
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1828302 Title: CSR Bluetooth driver: Insufficient performance compared to WIndows driver To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1828302/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
