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Received: from shell.armlinux.org.uk ([2001:4d48:ad52:3201:5054:ff:fe00:4ec]:54906) by pandora.armlinux.org.uk with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1h03Gk-0005os-KM; Sat, 02 Mar 2019 11:57:30 +0000 Received: from linux by shell.armlinux.org.uk with local (Exim 4.89) (envelope-from ) id 1h03Gj-0000da-Qy; Sat, 02 Mar 2019 11:57:29 +0000 Date: Sat, 2 Mar 2019 11:57:29 +0000 From: Russell King - ARM Linux admin To: Embedded Engineer Subject: Re: Unstable Kernel behavior on an ARM based board Message-ID: <20190302115729.zbowssfwf4j7jf22@shell.armlinux.org.uk> References: <20190302110112.GA13405@1wt.eu> <20190302113651.zerdonykcvv5ex3e@shell.armlinux.org.uk> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20170113 (1.7.2) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190302_035735_522228_A97FA822 X-CRM114-Status: GOOD ( 12.85 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Willy Tarreau , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sat, Mar 02, 2019 at 04:52:54PM +0500, Embedded Engineer wrote: > On Sat, Mar 2, 2019 at 4:36 PM Russell King - ARM Linux admin > wrote: > > Please explain what you mean by "crashing even worse". With 4.9.x, > > there's the possibility to help with a currently maintained kernel. > > Sorry, the kernel version is 4.8.0-rc7. I have copied the zImage (v > 4.8.0-rc7) and the dtb generated with this build to my board again but > the board is not getting past "Starting kernel ...". Please find below > logs: > > Hit any key to stop autoboot: 0 > MMC: no card present > switch to partitions #0, OK > mmc0(part 0) is current device > Scanning mmc 0... > Found /boot/extlinux/extlinux.conf > Retrieving file: /boot/extlinux/extlinux.conf > 820 bytes read in 222 ms (2.9 KiB/s) > Jetson-TK1 eMMC boot options > 1: primary kernel > Enter choice: 1 > 1: primary kernel > Retrieving file: /boot/zImage > 3655400 bytes read in 193 ms (18.1 MiB/s) > append: console=ttyS0,115200n8 console=tty1 no_console_suspend=1 > lp0_vec=2064@0xf46ff000 mem=2015M@2048M memtype=255 > ddr_die=2048M@2048M section=256M pmuboard=0x0177:0x0000:0x02:0x43:0x00 > tsec=32M@3913M otf_key=c75e5bb91eb3bd947560357b64422f85 > usbcore.old_scheme_first=1 core_edp_mv=1150 core_edp_ma=4000 > tegraid=40.1.1.0.0 debug_uartport=lsport,3 power_supply=Adapter > audio_codec=rt5640 modem_id=0 android.kerneltype=normal fbcon=map:1 > commchip_id=0 usb_port_owner_info=0 lane_owner_info=1 emc_max_dvfs=0 > touch_id=0@0 board_info=0x0177:0x0000:0x02:0x43:0x00 net.ifnames=0 > root=/dev/mmcblk0p1 rw rootwait tegraboot=sdmmc gpt maxcpus=0 > Retrieving file: /boot/tegra124-jetson-tk1.dtb > 66405 bytes read in 308 ms (210 KiB/s) > Kernel image @ 0x81000000 [ 0x000000 - 0x37c6e8 ] > ## Flattened Device Tree blob at 82000000 > Booting using the fdt blob at 0x82000000 > Using Device Tree in place at 82000000, end 82013364 > > Starting kernel ... Okay, please try enabling DEBUG_LL, SERIAL_EARLYCON and select the correct serial port. Then arrange for u-boot to pass "earlycon" in addition to your other kernel arguments (shown in the "append" line above.) Thanks. -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTC broadband for 0.8mile line in suburbia: sync at 12.1Mbps down 622kbps up According to speedtest.net: 11.9Mbps down 500kbps up _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel