From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D20AF13C918; Tue, 31 Dec 2024 02:10:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1735611011; cv=none; b=rp4v8pqeEc95Pc5q56evSMmqyXrlzbowx/CLlvJ29gQ+vE6x8i83dFEMUP+ss7KK7o2LV37hkku/gtHoFtHebl4Dkai/ZyX5jrucx2PjD/hAQ/HUUy7FZ5MYn0QYgm4WhbWFuloPFsJKuIUT//kzqUbGQsA/VNz7Up+V40+hAZQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1735611011; c=relaxed/simple; bh=uACa4budD4RS8hP+CAygN8N3iO9gZnbLK8aHPZ2ufUw=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=T8szGcEpKDytQHiBuV/Qr6F6ywH0us2spWl2ebXATUzD4sovdQE4XuEmNjy81afOFrFgoOUi886XEz5C9XlWPj5Y0kjQF2aNj89OXCmpMa9yZw+7rvDAygN3bzeOFAYKoYqE2sKq7PxZcy1m3a6Ugpy3bEF0IxGXObiD9Pp36z4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=kX8BGjuI; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="kX8BGjuI" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9E9EAC4AF09; Tue, 31 Dec 2024 02:10:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1735611011; bh=uACa4budD4RS8hP+CAygN8N3iO9gZnbLK8aHPZ2ufUw=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=kX8BGjuInzd+SfIEQNfwuCZBccnrLB04HKbzWsYEXgnO6CE2iGzZNuetr8EEumPDA IwwaYNni15nUiM58igGW8ius69E8HQLV4ueRGuuYGkvitk6oDEHBi4ocue+o862TuU JKXTX4tQAYSRW4QQsnlDpV0LL0vk/oCzCWdVjHfdKM0/S7kfHNMl16d2H2iHaTq2JA k8j84JGcVIb5r2jiS4f/7rqLxOTsWr7ZgpOo79Hc0i/v80pFeSo6zc6/pzerm/JF/P FJxOcp/YlKBbWGpyAmpbN6W/7enOfmuYH7n4BTw7jKkyBlW+t1jTBVj+TGvVJ19rkr f96wOmjg2tzqg== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id ADD9D380A964; Tue, 31 Dec 2024 02:10:32 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [net v3] net: wwan: t7xx: Fix FSM command timeout issue From: patchwork-bot+netdevbpf@kernel.org Message-Id: <173561103149.1487469.7896899204540542630.git-patchwork-notify@kernel.org> Date: Tue, 31 Dec 2024 02:10:31 +0000 References: <20241224041552.8711-1-jinjian.song@fibocom.com> In-Reply-To: <20241224041552.8711-1-jinjian.song@fibocom.com> To: Jinjian Song Cc: chandrashekar.devegowda@intel.com, chiranjeevi.rapolu@linux.intel.com, haijun.liu@mediatek.com, m.chetan.kumar@linux.intel.com, ricardo.martinez@linux.intel.com, loic.poulain@linaro.org, ryazanov.s.a@gmail.com, johannes@sipsolutions.net, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-doc@vger.kernel.org, angelogioacchino.delregno@collabora.com, linux-arm-kernel@lists.infradead.org, matthias.bgg@gmail.com, corbet@lwn.net, linux-mediatek@lists.infradead.org, helgaas@kernel.org, danielwinkler@google.com, korneld@google.com, andrew+netdev@lunn.ch, horms@kernel.org Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Tue, 24 Dec 2024 12:15:52 +0800 you wrote: > When driver processes the internal state change command, it use an > asynchronous thread to process the command operation. If the main > thread detects that the task has timed out, the asynchronous thread > will panic when executing the completion notification because the > main thread completion object has been released. > > BUG: unable to handle page fault for address: fffffffffffffff8 > PGD 1f283a067 P4D 1f283a067 PUD 1f283c067 PMD 0 > Oops: 0000 [#1] PREEMPT SMP NOPTI > RIP: 0010:complete_all+0x3e/0xa0 > [...] > Call Trace: > > ? __die_body+0x68/0xb0 > ? page_fault_oops+0x379/0x3e0 > ? exc_page_fault+0x69/0xa0 > ? asm_exc_page_fault+0x22/0x30 > ? complete_all+0x3e/0xa0 > fsm_main_thread+0xa3/0x9c0 [mtk_t7xx (HASH:1400 5)] > ? __pfx_autoremove_wake_function+0x10/0x10 > kthread+0xd8/0x110 > ? __pfx_fsm_main_thread+0x10/0x10 [mtk_t7xx (HASH:1400 5)] > ? __pfx_kthread+0x10/0x10 > ret_from_fork+0x38/0x50 > ? __pfx_kthread+0x10/0x10 > ret_from_fork_asm+0x1b/0x30 > > [...] > CR2: fffffffffffffff8 > > [...] Here is the summary with links: - [net,v3] net: wwan: t7xx: Fix FSM command timeout issue https://git.kernel.org/netdev/net/c/4f619d518db9 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html