Re: [PATCH] Revert "Bluetooth: Update resolving list when updating whitelist"

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Hi Greg,

>>> This reverts commit 0eee35bdfa3b472cc986ecc6ad76293fdcda59e2 as it
>>> breaks all bluetooth connections on my machine.
>>> 
>>> Cc: Marcel Holtmann <marcel@xxxxxxxxxxxx>
>>> Cc: Sathish Narsimman <sathish.narasimman@xxxxxxxxx>
>>> Fixes: 0eee35bdfa3b ("Bluetooth: Update resolving list when updating whitelist")
>>> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
>>> ---
>>> net/bluetooth/hci_request.c | 41 ++-----------------------------------
>>> 1 file changed, 2 insertions(+), 39 deletions(-)
>>> 
>>> This has been bugging me for since 5.9-rc1, when all bluetooth devices
>>> stopped working on my desktop system.  I finally got the time to do
>>> bisection today, and it came down to this patch.  Reverting it on top of
>>> 5.9-rc7 restored bluetooth devices and now my input devices properly
>>> work.
>>> 
>>> As it's almost 5.9-final, any chance this can be merged now to fix the
>>> issue?
>> 
>> can you be specific what breaks since our guys and I also think the
>> ChromeOS guys have been testing these series of patches heavily.
> 
> My bluetooth trackball does not connect at all.  With this reverted, it
> all "just works".
> 
> Same I think for a Bluetooth headset, can check that again if you really
> need me to, but the trackball is reliable here.
> 
>> When you run btmon does it indicate any errors?
> 
> How do I run it and where are the errors displayed?

you can do btmon -w trace.log and just let it run like tcdpump.

>> Do you have a chance to test net-next and see the LL Privacy there might have addressed this?
> 
> Have a specific set of patches I can test?  It wouldn't be good to have
> 5.9-final go out with this not working at all.

Of course not, but so far you are the only one reported a problem. Maybe you have some funky hardware in your machine that needs a quirk.

Regards

Marcel




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