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From:   "Stern, Avraham" <avraham.stern@intel.com>
To:     Joachim Breitner <mail@joachim-breitner.de>,
        "toke@toke.dk" <toke@toke.dk>
CC:     "Grumbach, Emmanuel" <emmanuel.grumbach@intel.com>,
        "Greenman, Gregory" <gregory.greenman@intel.com>,
        "linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>
Subject: RE: iwlwifi devices disappear after suspend on kernel 5.17
Thread-Topic: iwlwifi devices disappear after suspend on kernel 5.17
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Date:   Thu, 18 Aug 2022 07:41:22 +0000
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Hi Joachim,

Do you see the iwd task hang stack trace like in Toke's logs?
Can you please send full dmesg?

Thanks,
Avi.

-----Original Message-----
From: Joachim Breitner <mail@joachim-breitner.de> =

Sent: Friday, August 12, 2022 19:20
To: toke@toke.dk
Cc: Stern, Avraham <avraham.stern@intel.com>; Grumbach, Emmanuel <emmanuel.=
grumbach@intel.com>; Greenman, Gregory <gregory.greenman@intel.com>; linux-=
wireless@vger.kernel.org
Subject: Re: iwlwifi devices disappear after suspend on kernel 5.17

Hello Emmanuel,

> suspend. I get errors like these in dmesg:
> =

> [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
> =

> And when the host comes back up, there is no connectivity. Restarting =

> iwd fixes the problem.

I am hitting the same problem, on Kernel 5.19, with the same Intel Wi- Fi 6=
 AX201 device. I reported this initially to iwd, but they said it might be =
a kernel problem, so I found this thread.

Has there been a solution since?

Thanks,
Joachim


--
Joachim Breitner
  mail@joachim-breitner.de
  http://www.joachim-breitner.de/

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