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

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Message-Id: <A1C95238-CBCB-4FD4-B46D-A62AED0C77E5@holtmann.org>
Date:   Sat, 3 Oct 2020 17:51:03 +0200
From:   Marcel Holtmann <marcel@...tmann.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Johan Hedberg <johan.hedberg@...il.com>,
        Sathish Narsimman <sathish.narasimman@...el.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        linux-bluetooth <linux-bluetooth@...r.kernel.org>,
        "open list:NETWORKING [GENERAL]" <netdev@...r.kernel.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Revert "Bluetooth: Update resolving list when updating
 whitelist"

Hi Greg,

> This reverts commit 0eee35bdfa3b472cc986ecc6ad76293fdcda59e2 as it
> breaks all bluetooth connections on my machine.
> 
> Cc: Marcel Holtmann <marcel@...tmann.org>
> Cc: Sathish Narsimman <sathish.narasimman@...el.com>
> Fixes: 0eee35bdfa3b ("Bluetooth: Update resolving list when updating whitelist")
> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> ---
> 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.

When you run btmon does it indicate any errors?

Do you have a chance to test net-next and see the LL Privacy there might have addressed this?

Regards

Marcel