https://bugzilla.kernel.org/show_bug.cgi?id=203643 Fabrice Bellet (fabrice@xxxxxxxxxxx) changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |fabrice@xxxxxxxxxxx --- Comment #4 from Fabrice Bellet (fabrice@xxxxxxxxxxx) --- I confirm the bug related to this commit, and to its backported version in 5.0.15. My device is a Sony DR-BT21G headset. With this commit, the hcidump reports this error message: > ACL data: handle 256 flags 0x02 dlen 12 L2CAP(s): Connect req: psm 3 scid 0x0041 < ACL data: handle 256 flags 0x00 dlen 16 L2CAP(s): Connect rsp: dcid 0x0000 scid 0x0041 result 3 status 0 Connection refused - security block Without it, the hcidump reports a successful connection: > ACL data: handle 256 flags 0x02 dlen 12 L2CAP(s): Connect req: psm 3 scid 0x0041 < ACL data: handle 256 flags 0x00 dlen 16 L2CAP(s): Connect rsp: dcid 0x0040 scid 0x0041 result 0 status 0 Connection successful -- You are receiving this mail because: You are the assignee for the bug.