This bug was fixed in the package linux-firmware - 1.173.14
---------------
linux-firmware (1.173.14) bionic; urgency=medium
* Fix latency issue on Realtek Bluetooth (LP: #1856077)
- rtl_bt: Update RTL8723D BT FW to 0x828A_96F1
* Intel Wireless-AC 9560 Bluetooth, whenever connected to BLE devices,
causes UI freeze when re-logging in after resumed from suspend
(LP: #1855235)
- linux-firmware: Update firmware file for Intel Bluetooth AX201
-- Seth Forshee <[email protected]> Thu, 12 Dec 2019 07:48:58
-0600
** Changed in: linux-firmware (Ubuntu Bionic)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1855235
Title:
Intel Wireless-AC 9560 Bluetooth, whenever connected to BLE devices,
causes UI freeze when re-logging in after resumed from suspend
Status in HWE Next:
New
Status in linux-firmware package in Ubuntu:
Confirmed
Status in linux-firmware source package in Bionic:
Fix Released
Status in linux-firmware source package in Disco:
Fix Released
Status in linux-firmware source package in Eoan:
Fix Released
Bug description:
[Steps to Reproduce]
1. Pair some Bluetooth BLE device. Open a terminal and run `dmesg -w` to make
sure Bluetooth is receiving advertisement events and repeatedly printing:
Bluetooth: hci0: advertising data len corrected
...
2. Turn off dim display/blank screen on idle in Settings
3. Shorten long idle suspend time to 2 minutes by:
$ gsettings set org.gnome.settings-daemon.plugins.power \
sleep-inactive-ac-timeout 120
4. Idle wait for 2 minute and let system suspend.
5. Resume after 20 seconds suspend or so.
[Expected result]
System resumes normally.
[Actual result]
* Screen lighted up, sent to GDM greeter as expected, but UI freeze when
pressed ENTER to submit filled account name/password.
* No console switch is possible.
* Kernel alive because rescue magic key is the only way to escape.
* The last line in syslog is:
kernel [...] PM: suspend entry (deep)
* When Bluetooth is rfkilled, this issue is not happening. When Bluetooth has
never paired to BLE devices, this issue is no happening, either.
---
ProblemType: Bug
ApportVersion: 2.20.9-0ubuntu7.9
Architecture: amd64
Dependencies:
DistributionChannelDescriptor:
# This is the distribution channel descriptor for the OEM CDs
# For more information see
http://wiki.ubuntu.com/DistributionChannelDescriptor
canonical-oem-somerville-bionic-amd64-20190418-59+beaver-osp1-loras+X21
DistroRelease: Ubuntu 18.04
InstallationDate: Installed on 2019-12-02 (3 days ago)
InstallationMedia: Ubuntu 18.04 "Bionic" - Build amd64 LIVE Binary
20190418-12:10
Package: linux-firmware 1.173.12
PackageArchitecture: all
ProcVersionSignature: Ubuntu 5.0.0-1028.32-oem-osp1 5.0.21
Tags: bionic
Uname: Linux 5.0.0-1028-oem-osp1 x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:
_MarkForUpload: True
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