This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1966090
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1966090
Title:
Linux 5.4.0-105 breaks Bluetooth and makes system too slow to use
Status in linux package in Ubuntu:
Incomplete
Bug description:
Currently running this kernel which is working fine:
Linux 5.4.0-104-generic #118-Ubuntu SMP Wed Mar 2 19:02:41 UTC 2022
x86_64 x86_64 x86_64 GNU/Linux
Immediately after installing the latest kernel update to Linux
5.4.0-105 and rebooting, Bluetooth stops working and my system becomes
too slow to use.
The following error is printed endlessly to console multiple times per
second by Bluetooth hci:
Malicious advertising data. Stopping processing
I don't have the exact log because my system was unusable beyond
reading the console and I had to force reboot, but that was definitely
the message that was printed.
I had no Bluetooth devices powered on (just my laptop's adapter I
guess).
Reverted to kernel 5.4.0-104 and problems are gone.
See the lspci-vnvn.log but keep in mind that I generated it on the
working 5.4.0-104 kernel, as it was impossible to do anything on
5.4.0-105.
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