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The BT part of mobo mounted combo device rtl 8822 with wifi and BT disappears
sometimes.
Wifi seems to work without problems.
BT can just seem to disappear. I have not found a way to reinitialize it.
Rebooting "sometimes" works. BT can work fine for a while, then suddenly
disappear.
Booting into Fedora 28, BT has always been present.
Upon booting back into Mint 19, BT is present here too.
In the cases when BT has disappeared, bluetooth manager applet says "no
adapters".
bluetoothctl: power on does not work.
linux-firmware/bionic-updates,bionic-updates,now 1.173.1
linux-image-4.15.0-34-generic/bionic-updates,bionic-security,now 4.15.0-34.37
amd64
when working:
$ lsmod | grep 8822
r8822be 851968 0
mac80211 778240 1 r8822be
cfg80211 622592 2 mac80211,r8822be
$ lsmod | grep btusb
btusb 45056 0
btrtl 16384 1 btusb
btbcm 16384 1 btusb
btintel 16384 1 btusb
bluetooth 548864 43 btrtl,btintel,bnep,btbcm,rfcomm,btusb
** Affects: bluez (Ubuntu)
Importance: Undecided
Status: New
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bluetooth device "disappears", rtl 8822, combo wifi + bt
https://bugs.launchpad.net/bugs/1793726
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