NACK[K/J]: [PATCH 0/1][SRU][U/K/J/OEM-6.0] Fix System cannot detect bluetooth after running suspend stress test

Stefan Bader stefan.bader at canonical.com
Mon Dec 5 13:27:44 UTC 2022


On 05.12.22 03:06, Koba Ko wrote:
> BugLink: https://bugs.launchpad.net/bugs/1998727
> 
> [Impact]
>   System cannot detect bluetooth after running power-management/suspend-30-cycles-with-reboots
> 
> [Fix]
>   Enable BT recovery on Realtek 8852CE FW, FW would detect and recover.
> 
> [Test Case]
> 1. checkbox-cli run com.canonical.certification::power-management/suspend_30_cycles_with_reboots
> 2. check settings > bluetooth
> 
> [Where problems could occur]
> just enable a function from kernel and run the code in the fw.
> the main risk would be related to FW.
> 
> Ping-Ke Shih (1):
>    [U/K/J/OEM-6.0] wifi: rtw88: 8821c: enable BT device recovery mechanism
> 
>   drivers/net/wireless/realtek/rtw88/fw.c  | 10 ++++++++++
>   drivers/net/wireless/realtek/rtw88/fw.h  |  6 ++++++
>   drivers/net/wireless/realtek/rtw88/mac.c | 18 +++++++++++++++++-
>   3 files changed, 33 insertions(+), 1 deletion(-)
> 

I see no indication that this has been tested to build/work with Kinetic/Jammy. 
After recent incidents with code breaking the build in distro kernels I would 
expect at least the build summary.
But also one cycle in the OEM kernel before pulling things into the distro 
kernels would be better.

-Stefan

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