Hello, On Tue, Jun 16, 2015 at 07:58:06AM +0000, Marcus lu wrote: > I try kernel version 3.2.0 and RT patch patch-3.2-rt10.patch.gz on TI > AM335x EVM(Cortex A8), I find out a problem. Is there a reason you're not using the latest and greatest 3.2-stable plust the matching lates -rt patch? Also 3.2 is already old and the am335x support in mainline is good, so better use a more recent release. > My test steps as below : > > 1. In pure linux directory, I use zcat ../../patch-3.2-rt10.patch.gz | > patch -p1 command. (pure means I install TI’s SDK : ti-sdk-am335x-evm- > 0.6.00.00.00-linux-x86-install.bin without changing anything) > > In linux directory : > 2. make ARCH=arm CROSS_COMPILE=/home/marcus/ti-sdk-am335x-evm- > 06.00.00.00/linux-devkit/sysroots/i686-arago-linux/usr/bin/arm-linux- > gnueabihf- tisdk_am335x-evm_defconfig > 3. make ARCH=arm CROSS_COMPILE=/home/marcus/ti-sdk-am335x-evm- > 06.00.00.00/linux-devkit/sysroots/i686-arago-linux/usr/bin/arm-linux- > gnueabihf- menuconfig > 4. Select kernel Features and preemption Model Fully Preemptible > Kernel(RT) > 5. Save .config > 6. make ARCH=arm CROSS_COMPILE=/home/marcus/ti-sdk-am335x-evm- > 06.00.00.00/linux-devkit/sysroots/i686-arago-linux/usr/bin/arm-linux- > gnueabihf- uImage > 7. After building successfully, copy uImage to SD card and power on the > EVM board. > > 8. Executing iperf -s on linux platform and execute iperf.exe –c > 10.0.0.180 –w 100M –t 1200 –I 10 on win 7 platform. > 9. Ethernet module on linux platform hangs up.(I can’t ping my PC in > linux platform even though I use ipconfig eth0 down and ipconfig eth0 up > command) > > Could you give me some suggestion? Try a vanilla kernel. Vendor kernel tend to use non-optimal stuff that stands in your way when you start to do things. Best regards Uwe -- Pengutronix e.K. | Uwe Kleine-König | Industrial Linux Solutions | http://www.pengutronix.de/ | -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
