https://bugzilla.kernel.org/show_bug.cgi?id=60824 --- Comment #141 from MMD (mmdesai20@xxxxxxxxx) --- (In reply to MMD from comment #140) > (In reply to Swyter from comment #137) > > Hi! There's actually a script that should help with this, at least as > > reference: > > https://gist.github.com/nevack/6b36b82d715dc025163d9e9124840a07 > > > > It's for newer kernels, though. So while the btusb.c part should more or > > less apply cleanly (because the existing/original CSR workaround stuff has > > been there for a while) the ERR_DATA_REPORTING stuff (on hci_core.c) is new > > and will need to be stripped out when back-porting the patch. > > > > Who knows, maybe it's a good idea to ask someone from Canonical to add it > to > > Ubuntu, once it's been more battle-tested. Hopefully (as it officially gets > > into stable kernels) distros downstream will pick this up, even on super > old > > Linux versions. > > > > Hope that helps. :) > > Hi tried this script, but it gives below error > cp: cannot stat '/usr/lib/modules/5.8.2-050802-generic/build/.config': No > such file or director > > I checked there is no such directory and file. > > I have Ubuntu 20.04 LTS with Kernel 5.4.0-42-generic. Then updated kernel to > hoping that 5.8.2-050802-generic hoping by Bluetooth device will work with > this .(As you mentioned this script is accepted in 5.7 and 5.8 version of > kernel) > With new kernel 5.8.2-050802-generic, it detects logitech M337 mouse , but > not able to configure. Then I tried above script and got error > cp: cannot stat '/usr/lib/modules/5.8.2-050802-generic/build/.config': No > such file or director I tried some command as suggested by you on https://gist.github.com/nevack/6b36b82d715dc025163d9e9124840a07 Here is the output of its lsusb -vvd 0a12:0001... gives bcdDevice 25.20 dmesg |grep 'CSR clone detected' [ 75.420911] Bluetooth: hci0: CSR: Unbranded CSR clone detected; adding workarounds... [ 4880.814947] Bluetooth: hci0: CSR: Unbranded CSR clone detected; adding workarounds... [22664.573526] Bluetooth: hci0: CSR: Unbranded CSR clone detected; adding workarounds... [23268.855461] Bluetooth: hci0: CSR: Unbranded CSR clone detected; adding workarounds... btmon -w my.log Bluetooth monitor ver 5.54 = Note: Linux version 5.8.2-050802-generic (x86_64) 0.574027 = Note: Bluetooth subsystem version 2.22 0.574029 = New Index: 00:1A:7D:DA:71:10 (Primary,USB,hci0) [hci0] 0.574030 @ MGMT Open: bluetoothd (privileged) version 1.17 {0x0001} 0.574031 @ MGMT Open: btmon (privileged) version 1.17 hcidump -X HCI sniffer - Bluetooth packet analyzer ver 5.53 device: hci0 snap_len: 1500 filter: 0xffffffffffffffff -- You are receiving this mail because: You are the assignee for the bug.