This bug was fixed in the package linux-firmware - 1.187.4
---------------
linux-firmware (1.187.4) focal; urgency=medium
* Add new iwlwifi firmware to fix AX201 hang (LP: #1900883)
- UBUNTU: SAUCE: Add iwlwifi-QuZ-a0-hr-b0-50.ucode
* Fix broken Realtek 8821C BT after S3 (LP: #1901129)
- rtl_bt: Update RTL8821C BT FW to 0xAA6C_A99E
-- Seth Forshee <seth.fors...@canonical.com> Wed, 28 Oct 2020 16:05:46
-0500
** Changed in: linux-firmware (Ubuntu Focal)
Status: Fix Committed => Fix Released
** Changed in: linux-firmware (Ubuntu Groovy)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1901129
Title:
Fix broken Realtek 8821C BT after S3
Status in HWE Next:
New
Status in linux-firmware package in Ubuntu:
Confirmed
Status in linux-firmware source package in Focal:
Fix Released
Status in linux-firmware source package in Groovy:
Fix Released
Bug description:
[Impact]
Realtek 8821C Bluetooth controller may stop working after S3.
[Fix]
Use the new firmware from Realtek (Release Version: 0xAA6C_A99E)
Link:
https://lore.kernel.org/linux-firmware/20201013084718.3077-1-max.c...@realtek.com/
[Test]
With the new firmware, the BT controller works and can pass 1000 cycles
of S3.
[Regression Potential]
This is tested with some BT devices, no regressions found so far.
However, regression could still happen because there are many
Bluetooth peripherals we can't test.
We'll escalate the issue to Realtek if regression ever happens.
To manage notifications about this bug go to:
https://bugs.launchpad.net/hwe-next/+bug/1901129/+subscriptions
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