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[2620:137:e000::1:20]) by mx.google.com with ESMTP id e22-20020a633716000000b00519f8ebcc5esi7808491pga.121.2023.05.08.02.24.00; Mon, 08 May 2023 02:24:14 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-wireless-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@sipsolutions.net header.s=mail header.b=AFwlgApO; spf=pass (google.com: domain of linux-wireless-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-wireless-owner@vger.kernel.org; dmarc=pass (p=NONE sp=REJECT dis=NONE) header.from=sipsolutions.net Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233518AbjEHJJf (ORCPT + 61 others); Mon, 8 May 2023 05:09:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50756 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233507AbjEHJJe (ORCPT ); Mon, 8 May 2023 05:09:34 -0400 Received: from sipsolutions.net (s3.sipsolutions.net [IPv6:2a01:4f8:191:4433::2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6D63961B1 for ; Mon, 8 May 2023 02:09:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sipsolutions.net; s=mail; h=MIME-Version:Content-Transfer-Encoding: Content-Type:References:In-Reply-To:Date:Cc:To:From:Subject:Message-ID:Sender :Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-To: Resent-Cc:Resent-Message-ID; bh=lXTCk8Hc3PLEYZvUgKJ1TRv+DM3zWEQAz+ClS0Epb4Q=; t=1683536973; x=1684746573; b=AFwlgApO1ujVT6Rieh3VRV9vtXl3osD71UGR7EnpLrlFAV0 h4OR9IKXySBY0cEe8HRG/ob3QQaPWfUc5nAxIN8sWTaWiL+UmTf53/m3yxbDdn1rqsWr/msm00CXW QVpb3F5Fa8XVGkFCkBD4NfeakdazN/iBrgw4LgsXyG+4Ge9jJPgrIthW7u5zpGr6OnQMdG0HQUumD Hk8lLcYka464FkZUu75f6TLkQ6eftAkY8o+zcXIePGy/BuUsknzxcXgI6E+EZUNqH2SPg4T2kW81U F3h7fhYNulHIC8P8mdCn7pIa56QpZZghPvxWaoBsYkBT3H5sQE7/awskXtDbD5dA==; Received: by sipsolutions.net with esmtpsa (TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.96) (envelope-from ) id 1pvws2-003Bfc-32; Mon, 08 May 2023 11:09:27 +0200 Message-ID: Subject: Re: RCU WARNING Splat from rtw8822bu From: Johannes Berg To: Larry Finger , Sascha Hauer , Pkshih Cc: linux-wireless Date: Mon, 08 May 2023 11:09:26 +0200 In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.46.4 (3.46.4-1.fc37) MIME-Version: 1.0 X-malware-bazaar: not-scanned X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_PASS,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org On Sun, 2023-05-07 at 14:24 -0500, Larry Finger wrote: > Hi, >=20 > I got the following WARNING splat from rtw8822bu. Driver rtw89_8852be was= =20 > loaded, but inactive. This is the only instance of this warning in my log= s even=20 > though I have been testing this driver quite a lot. It must've been connected at the time, but I guess the reason you only saw it once is that it happens only on CSA: > [18177.576760] ieee80211_chswitch_work+0x95/0x170 [mac80211=20 > c276bd403dbb068b66ac9ffb0a8f27d6e63e5c7c] >=20 johannes