From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jon Hunter Subject: Re: [PATCH net-next 3/3] net: stmmac: Convert to phylink and remove phylib logic Date: Tue, 18 Jun 2019 10:42:31 +0100 Message-ID: <26cfaeff-a310-3b79-5b57-fd9c93bd8929@nvidia.com> References: <6226d6a0de5929ed07d64b20472c52a86e71383d.1560266175.git.joabreu@synopsys.com> <78EB27739596EE489E55E81C33FEC33A0B9C8D6E@DE02WEMBXB.internal.synopsys.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <78EB27739596EE489E55E81C33FEC33A0B9C8D6E@DE02WEMBXB.internal.synopsys.com> Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org To: Jose Abreu , "linux-kernel@vger.kernel.org" , "netdev@vger.kernel.org" Cc: Joao Pinto , "David S . Miller" , Giuseppe Cavallaro , Alexandre Torgue , Russell King , Andrew Lunn , Florian Fainelli , Heiner Kallweit , linux-tegra List-Id: linux-tegra@vger.kernel.org On 18/06/2019 10:35, Jose Abreu wrote: > From: Jon Hunter > >> I am seeing a boot regression on -next for some of our boards that have >> a synopsys ethernet controller that uses the dwmac-dwc-qos-ethernet >> driver. Git bisect is pointing to this commit, but unfortunately this >> cannot be cleanly reverted on top of -next to confirm. > > Thanks for reporting. Looks like the timer is not setup when > stmmac_tx_clean() is called. When do you see this stacktrace ? After > ifdown ? I am not certain but I don't believe so. We are using a static IP address and mounting the root file-system via NFS when we see this ... [ 10.607510] dwc-eth-dwmac 2490000.ethernet eth0: phy link up rgmii/1Gbps/Full [ 10.607536] dwc-eth-dwmac 2490000.ethernet eth0: phylink_mac_config: mode=phy/rgmii/1Gbps/Full adv=00,00000000,00000000 pause=0f link=1 an=0 [ 10.608804] dwc-eth-dwmac 2490000.ethernet eth0: Link is Up - 1Gbps/Full - flow control rx/tx [ 10.630979] IP-Config: Complete: [ 10.639046] device=eth0, hwaddr=d2:e5:1c:57:26:4b, ipaddr=192.168.99.2, mask=255.255.255.0, gw=192.168.99.1 [ 10.649201] host=192.168.99.2, domain=, nis-domain=(none) [ 10.655022] bootserver=192.168.0.1, rootserver=192.168.0.1, rootpath= [ 10.677531] VDD_1V8_AP_PLL: disabling [ 10.681194] VDD_RTC: disabling [ 10.684246] VDDIO_SDMMC3_AP: disabling [ 10.688132] VDD_HDMI_1V05: disabling [ 10.691704] SD_CARD_SW_PWR: disabling [ 10.695357] VDD_USB0: disabling [ 10.698488] VDD_USB1: disabling [ 10.701621] VDD_HDMI_5V0: disabling [ 10.705100] ALSA device list: [ 10.708063] No soundcards found. [ 10.711914] Freeing unused kernel memory: 1472K [ 10.727005] Run /init as init process [ 10.784989] ------------[ cut here ]------------ [ 10.789597] kernel BUG at /home/jonathanh/workdir/tegra/mlt-linux_next/kernel/kernel/time/timer.c:952! Cheers Jon -- nvpublic