https://bugzilla.kernel.org/show_bug.cgi?id=60824 --- Comment #132 from Olivier JUDITH (gnulux@xxxxxxxxx) --- Hi, Encoutering issue with a new bluetooth dongle (hci1) acquired from Gearbest site. hciconfig hci0 up Can't init device hci0: Invalid request code (56) I tried on 5.4 kernel and moved to 5.8.1-050801-generic the same behaviour. hci1: Type: Primary Bus: USB BD Address: 00:1A:7D:DA:71:10 ACL MTU: 640:4 SCO MTU: 64:8 DOWN RX bytes:501 acl:0 sco:0 events:22 errors:0 TX bytes:329 acl:0 sco:0 commands:22 errors:0 Features: 0xff 0xff 0x8f 0xfa 0x9b 0xff 0x59 0x87 Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 Link policy: RSWITCH HOLD SNIFF PARK Link mode: SLAVE ACCEPT hci0: Type: Primary Bus: USB BD Address: 4C:1D:96:6D:CB:48 ACL MTU: 1021:4 SCO MTU: 96:6 UP RUNNING RX bytes:19359 acl:0 sco:0 events:3062 errors:0 TX bytes:748521 acl:0 sco:0 commands:3061 errors:0 Features: 0xbf 0xfe 0x0f 0xfe 0xdb 0xff 0x7b 0x87 Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 Link policy: RSWITCH SNIFF Link mode: SLAVE ACCEPT Name: 'VivoBook' Class: 0x1c010c Service Classes: Rendering, Capturing, Object Transfer Device Class: Computer, Laptop HCI Version: 5.1 (0xa) Revision: 0x100 LMP Version: 5.1 (0xa) Subversion: 0x100 Manufacturer: Intel Corp. (2) Any help wil be appreciated. Regards -- You are receiving this mail because: You are the assignee for the bug.