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From:   Toke =?utf-8?Q?H=C3=B8iland-J=C3=B8rgensen?= <toke@toke.dk>
To:     "Coelho, Luciano" <luciano.coelho@intel.com>,
        "Grumbach, Emmanuel" <emmanuel.grumbach@intel.com>
Cc:     "linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
        "Greenman, Gregory" <gregory.greenman@intel.com>
Subject: Re: iwlwifi devices disappear after suspend on kernel 5.17
In-Reply-To: <1f6188ee5c88ac78a4aadcf169b4b1cc857a84d8.camel@intel.com>
References: <87czhe39p6.fsf@toke.dk>
 <1f6188ee5c88ac78a4aadcf169b4b1cc857a84d8.camel@intel.com>
Date:   Tue, 19 Apr 2022 13:19:53 +0200
Message-ID: <871qxt2ucm.fsf@toke.dk>
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"Coelho, Luciano" <luciano.coelho@intel.com> writes:

> On Mon, 2022-04-18 at 13:36 +0200, Toke H=C3=B8iland-J=C3=B8rgensen wrote:
>> Hi Luca
>
> Hi Toke,
>
>> I've started seeing issues with my iwlwifi interface going away after
>> suspend. I get errors like these in dmesg:
>>=20
>> [104393.142264] wlan0: deauthenticating from 4c:60:de:ea:b8:58 by local =
choice (Reason: 3=3DDEAUTH_LEAVING)
>> [104393.347775] iwlmei 0000:00:16.0-13280904-7792-4fcb-a1aa-5e70cbb1e865=
: Couldn't get ACK from CSME on HOST_GOES_DOWN message
>> [104393.347876] iwlmei 0000:00:16.0-13280904-7792-4fcb-a1aa-5e70cbb1e865=
: failed to send the SAP_ME_MSG_CHECK_SHARED_AREA message -19
>>=20
>> And when the host comes back up, there is no connectivity. Restarting
>> iwd fixes the problem.
>>=20
>> This is on a 5.17.3 kernel (Arch Linux distribution kernel), and lspci
>> says the WiFi device is an "Intel Corporation Wi-Fi 6 AX201".
>>=20
>> Any ideas? :)
>
> This seems to be related to iwlmei, so I added Emmanuel to the thread.
>
> Additionally, I'm not working with Intel's WiFi any more, so I also
> CCed Gregory, who is the new iwlwifi maintainer.

Thanks for the forward! How about updating MAINTAINERS to reflect this? :)

-Toke