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 32FC2E54B; Tue, 12 Sep 2023 08:13:34 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6430DC433C8; Tue, 12 Sep 2023 08:13:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1694506414; bh=jHqmw/CsOsU8hNk9mweTs2csj+HphLKzucu7Buu5sxI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ZzJh6b1zv9eNjzwLoDxfeKqgfhaC2zPqE2YVgwpS+EPLXhMOTYpnm8uaZb15XZGYy HORZ/er9UZFVIyZxqyJN7CIXpJ6teIaDntYJnBa558fKiciv79efmyZbGsLw9nFFBK l6E183fn0AKqvW6k2Xxj06yRLFnK7Dnn5gmye4V/uR26B1brbLIX2jqJS9HgPlJltQ Tn4usyNqeEnB/Bh4xnEA7cZcVeVlFKlikAyQ1gs0ldpA9hU/VwEyJ+T+OH9Lw7FoqE r1HNnUJXPQATydpGf2xkLlC5W15/SyeQnpuLHFLBTKbYArVN2oBzP+G+j0yUAVV3iB xsX9fT8xv7Rlg== Date: Tue, 12 Sep 2023 16:01:35 +0800 From: Jisheng Zhang To: Uwe =?utf-8?Q?Kleine-K=C3=B6nig?= Cc: Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-sunxi@lists.linux.dev, kernel@pengutronix.de Subject: Re: [REGRESSION] [PATCH net-next v5 2/2] net: stmmac: use per-queue 64 bit statistics where necessary Message-ID: References: <20230717160630.1892-1-jszhang@kernel.org> <20230717160630.1892-3-jszhang@kernel.org> <20230911171102.cwieugrpthm7ywbm@pengutronix.de> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20230911171102.cwieugrpthm7ywbm@pengutronix.de> On Mon, Sep 11, 2023 at 07:11:02PM +0200, Uwe Kleine-König wrote: > Hello, > > this patch became commit 133466c3bbe171f826294161db203f7670bb30c8 and is > part of v6.6-rc1. > > On my arm/stm32mp157 based machine using NFS root this commit makes the > following appear in the kernel log: > > INFO: trying to register non-static key. > The code is fine but needs lockdep annotation, or maybe > you didn't initialize this object before use? > turning off the locking correctness validator. > CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.5.0-rc1-00449-g133466c3bbe1-dirty #21 > Hardware name: STM32 (Device Tree Support) > unwind_backtrace from show_stack+0x18/0x1c > show_stack from dump_stack_lvl+0x60/0x90 > dump_stack_lvl from register_lock_class+0x98c/0x99c > register_lock_class from __lock_acquire+0x74/0x293c > __lock_acquire from lock_acquire+0x134/0x398 > lock_acquire from stmmac_get_stats64+0x2ac/0x2fc > stmmac_get_stats64 from dev_get_stats+0x44/0x130 > dev_get_stats from rtnl_fill_stats+0x38/0x120 > rtnl_fill_stats from rtnl_fill_ifinfo+0x834/0x17f4 > rtnl_fill_ifinfo from rtmsg_ifinfo_build_skb+0xc0/0x144 > rtmsg_ifinfo_build_skb from rtmsg_ifinfo+0x50/0x88 > rtmsg_ifinfo from __dev_notify_flags+0xc0/0xec > __dev_notify_flags from dev_change_flags+0x50/0x5c > dev_change_flags from ip_auto_config+0x2f4/0x1260 > ip_auto_config from do_one_initcall+0x70/0x35c > do_one_initcall from kernel_init_freeable+0x2ac/0x308 > kernel_init_freeable from kernel_init+0x1c/0x138 > kernel_init from ret_from_fork+0x14/0x2c > Exception stack(0xe0815fb0 to 0xe0815ff8) > 5fa0: 00000000 00000000 00000000 00000000 > 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 > 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 > dwc2 49000000.usb-otg: new device is high-speed > > I didn't try understand this problem, it's too close to quitting time > :-) Thanks for the bug report, I'm checking the code. > > Best regards > Uwe > > -- > Pengutronix e.K. | Uwe Kleine-König | > Industrial Linux Solutions | https://www.pengutronix.de/ |