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[2620:137:e000::3:2]) by mx.google.com with ESMTPS id a19-20020a056a000c9300b0068fbac77dd0si16823985pfv.226.2023.10.12.19.39.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 12 Oct 2023 19:39:39 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-wireless-owner@vger.kernel.org designates 2620:137:e000::3:2 as permitted sender) client-ip=2620:137:e000::3:2; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-wireless-owner@vger.kernel.org designates 2620:137:e000::3:2 as permitted sender) smtp.mailfrom=linux-wireless-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=jmu.edu.cn Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by agentk.vger.email (Postfix) with ESMTP id EE34881A4A2C; Thu, 12 Oct 2023 19:39:36 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at agentk.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229487AbjJMCjQ (ORCPT + 52 others); Thu, 12 Oct 2023 22:39:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57566 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229441AbjJMCjP (ORCPT ); Thu, 12 Oct 2023 22:39:15 -0400 Received: from mail-m49197.qiye.163.com (mail-m49197.qiye.163.com [45.254.49.197]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DA698E0; Thu, 12 Oct 2023 19:39:10 -0700 (PDT) Received: from Vostro-3710.lan (unknown [IPV6:240e:3b3:2c01:35e0:6a17:e457:4363:5917]) by mail-m121145.qiye.163.com (Hmail) with ESMTPA id EB2DB800056; Fri, 13 Oct 2023 10:38:51 +0800 (CST) From: Chukun Pan To: pkshih@realtek.com Cc: kvalo@kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, Chukun Pan Subject: RE: [PATCH 1/1] wifi: rtw88: 8822b: disable call trace when write RF mode table fail Date: Fri, 13 Oct 2023 10:38:48 +0800 Message-Id: <20231013023848.10444-1-amadeus@jmu.edu.cn> X-Mailer: git-send-email 2.25.1 In-Reply-To: <6991a517301a46159085a0b06d43f319@realtek.com> References: <6991a517301a46159085a0b06d43f319@realtek.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-HM-Spam-Status: e1kfGhgUHx5ZQUpXWQgPGg8OCBgUHx5ZQUlOS1dZFg8aDwILHllBWSg2Ly tZV1koWUFITzdXWS1ZQUlXWQ8JGhUIEh9ZQVkZHk5DVh9CGklKTUIaGE0fSlUTARMWGhIXJBQOD1 lXWRgSC1lBWUlPSx5BSBlIQUkYS0pBSE4eS0FNGkpMQR5PTkxBT0hNSEFOQkpMWVdZFhoPEhUdFF lBWU9LSFVKSktISkNVSktLVUtZBg++ X-HM-Tid: 0a8b26e6a6c9b03akuuueb2db800056 X-HM-MType: 10 X-HM-Sender-Digest: e1kMHhlZQR0aFwgeV1kSHx4VD1lBWUc6PzY6Mgw*AzwwTQoUTFEzFksp AxAaChZVSlVKTUJMSk1PTEhJTE9MVTMWGhIXVRoWGh8eDgg7ERYOVR4fDlUYFUVZV1kSC1lBWUlP Sx5BSBlIQUkYS0pBSE4eS0FNGkpMQR5PTkxBT0hNSEFOQkpMWVdZCAFZQUlIQkw3Bg++ X-Spam-Status: No, score=-0.8 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on agentk.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (agentk.vger.email [0.0.0.0]); Thu, 12 Oct 2023 19:39:37 -0700 (PDT) Hi, Ping-Ke > Why do you think this trace is useless? As I see, there is more than one callers. > Did you meet a real case it throws this trace? If yes, how about the frequency? [ 217.651858] ------------[ cut here ]------------ [ 217.654813] write RF mode table fail [ 217.657434] WARNING: CPU: 2 PID: 3705 at 0xffffffffa03df3cb [rtw88_8822b@00000000bf0fde9e+0x35000] [ 217.662078] Modules linked in: rtw88_8822ce rtw88_8822c rtw88_8822be rtw88_8822b rtw88_8723de ... [ 217.704412] RIP: 0010:0xffffffffa03df3cb [rtw88_8822b@00000000bf0fde9e+0x35000] ... [ 217.737232] Call Trace: [ 217.738683] 0xffffffffa03df943 [rtw88_8822b@00000000bf0fde9e+0x35000] [ 217.740865] 0xffffffffa0385ab9 [rtw88_core@00000000a8d26f0d+0x1a000] [ 217.742993] 0xffffffffa0279111 [mac80211@000000003cb4b3bd+0x7b000] [ 217.745028] 0xffffffffa0239092 [cfg80211@00000000a951c4b5+0x46000] [ 217.751368] ? 0xffffffffa0238de0 [cfg80211@00000000a951c4b5+0x46000] [ 217.773278] RIP: 0033:0x7ff0cdf8836c ... [ 217.789457] ---[ end trace 177712424e9eab4a ]--- As you can see this trace above, I don't think it's useful. This trace throws up a lot of register values but doesn't point out why. As long as I plug in the rtl8812bu or rtl8822be wifi modules, this trace will be thrown every time when the rtw88 driver is loaded. Thanks, Chukun -- 2.25.1