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List: linux-bluetooth
Subject: BT advertising packets and s2idle issue
From: Christian Kellner <ckellner () redhat ! com>
Date: 2019-07-29 14:33:28
Message-ID: 87sgqoewqv.fsf () kellner ! me
[Download RAW message or body]
Hi all,
I have been wondering what to do about the bug that advertising packet
will wake systems from s2idle when a device was previously paired with
the HCI_AUTO_CONN_ALWAYS flag (kernel bug #200039[1]). I was thinking of
creating a patch for bluez that would create a "delay lock"[2] and
de-register any such device from the kernel before entering s2idle, but
I wanted to check first if that is the best approach.
In comment #27 it is suggested that using a "LE Privacy v1.2" feature
could fix the issue as well. Is there some more information about this
available somewhere? II can help out with development and testing as I
have an affected system myself.
Cheers,
CK
[1] https://bugzilla.kernel.org/show_bug.cgi?id=200039
[2] https://www.freedesktop.org/wiki/Software/systemd/inhibit/
--
Dr. Christian J. Kellner
Desktop Hardware Enablement
Red Hat
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