apport information ** Tags added: apport-collected disco
** 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) 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 + --- + ProblemType: Bug + ApportVersion: 2.20.10-0ubuntu27 + Architecture: amd64 + AudioDevicesInUse: + USER PID ACCESS COMMAND + /dev/snd/controlC0: luky 1581 F.... pulseaudio + /dev/snd/controlC1: luky 1581 F.... pulseaudio + /dev/snd/pcmC1D0c: luky 1581 F...m pulseaudio + /dev/snd/controlC2: luky 1581 F.... pulseaudio + CurrentDesktop: Budgie:GNOME + DistroRelease: Ubuntu 19.04 + InstallationDate: Installed on 2019-05-07 (1 days ago) + InstallationMedia: Ubuntu-Budgie 19.04 "Disco Dingo" - Release amd64 (20190416) + IwConfig: + enp24s0 no wireless extensions. + + lo no wireless extensions. + MachineType: Micro-Star International Co., Ltd. MS-7A37 + NonfreeKernelModules: nvidia_modeset nvidia + Package: linux (not installed) + ProcFB: 0 EFI VGA + ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.0.0-13-generic root=UUID=5756c217-a2d2-4100-b7c1-b38264030191 ro quiet splash vt.handoff=1 + ProcVersionSignature: Ubuntu 5.0.0-13.14-generic 5.0.6 + RelatedPackageVersions: + linux-restricted-modules-5.0.0-13-generic N/A + linux-backports-modules-5.0.0-13-generic N/A + linux-firmware 1.178 + RfKill: + 3: hci0: Bluetooth + Soft blocked: no + Hard blocked: no + Tags: disco + Uname: Linux 5.0.0-13-generic x86_64 + UpgradeStatus: No upgrade log present (probably fresh install) + UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo + _MarkForUpload: True + dmi.bios.date: 01/22/2019 + dmi.bios.vendor: American Megatrends Inc. + dmi.bios.version: 1.K0 + dmi.board.asset.tag: To be filled by O.E.M. + dmi.board.name: B350M MORTAR (MS-7A37) + dmi.board.vendor: Micro-Star International Co., Ltd. + dmi.board.version: 1.0 + dmi.chassis.asset.tag: To be filled by O.E.M. + dmi.chassis.type: 4 + dmi.chassis.vendor: Micro-Star International Co., Ltd. + dmi.chassis.version: 1.0 + dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1.K0:bd01/22/2019:svnMicro-StarInternationalCo.,Ltd.:pnMS-7A37:pvr1.0:rvnMicro-StarInternationalCo.,Ltd.:rnB350MMORTAR(MS-7A37):rvr1.0:cvnMicro-StarInternationalCo.,Ltd.:ct4:cvr1.0: + dmi.product.family: To be filled by O.E.M. + dmi.product.name: MS-7A37 + dmi.product.sku: To be filled by O.E.M. + dmi.product.version: 1.0 + dmi.sys.vendor: Micro-Star International Co., Ltd. ** Attachment added: "AlsaInfo.txt" https://bugs.launchpad.net/bugs/1828302/+attachment/5262458/+files/AlsaInfo.txt -- 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: Confirmed 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 --- ProblemType: Bug ApportVersion: 2.20.10-0ubuntu27 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: luky 1581 F.... pulseaudio /dev/snd/controlC1: luky 1581 F.... pulseaudio /dev/snd/pcmC1D0c: luky 1581 F...m pulseaudio /dev/snd/controlC2: luky 1581 F.... pulseaudio CurrentDesktop: Budgie:GNOME DistroRelease: Ubuntu 19.04 InstallationDate: Installed on 2019-05-07 (1 days ago) InstallationMedia: Ubuntu-Budgie 19.04 "Disco Dingo" - Release amd64 (20190416) IwConfig: enp24s0 no wireless extensions. lo no wireless extensions. MachineType: Micro-Star International Co., Ltd. MS-7A37 NonfreeKernelModules: nvidia_modeset nvidia Package: linux (not installed) ProcFB: 0 EFI VGA ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.0.0-13-generic root=UUID=5756c217-a2d2-4100-b7c1-b38264030191 ro quiet splash vt.handoff=1 ProcVersionSignature: Ubuntu 5.0.0-13.14-generic 5.0.6 RelatedPackageVersions: linux-restricted-modules-5.0.0-13-generic N/A linux-backports-modules-5.0.0-13-generic N/A linux-firmware 1.178 RfKill: 3: hci0: Bluetooth Soft blocked: no Hard blocked: no Tags: disco Uname: Linux 5.0.0-13-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 01/22/2019 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 1.K0 dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: B350M MORTAR (MS-7A37) dmi.board.vendor: Micro-Star International Co., Ltd. dmi.board.version: 1.0 dmi.chassis.asset.tag: To be filled by O.E.M. dmi.chassis.type: 4 dmi.chassis.vendor: Micro-Star International Co., Ltd. dmi.chassis.version: 1.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1.K0:bd01/22/2019:svnMicro-StarInternationalCo.,Ltd.:pnMS-7A37:pvr1.0:rvnMicro-StarInternationalCo.,Ltd.:rnB350MMORTAR(MS-7A37):rvr1.0:cvnMicro-StarInternationalCo.,Ltd.:ct4:cvr1.0: dmi.product.family: To be filled by O.E.M. dmi.product.name: MS-7A37 dmi.product.sku: To be filled by O.E.M. dmi.product.version: 1.0 dmi.sys.vendor: Micro-Star International Co., Ltd. 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