On Thu, Mar 3, 2016 at 8:00 AM, Robert Nelson <[email protected]> wrote: > On Thu, Mar 3, 2016 at 1:11 AM, gnu gnu <[email protected]> wrote: >> >> Hi, >> >> I am trying to setup Jtag connection(with xds100v2) to debug Uboot and TI >> mainline kernel 4.1.y branch. >> I am following Robert nelson's instructions at this link: >> https://eewiki.net/display/linuxonarm/BeagleBone+Black and flash emmc with >> the uboot,kernel and filesystem. >> When I was on kernel_version 4.1.13-ti-r34, I was able to connect to target >> and debug uboot(I did not try Linux debug though o this version). Later I >> realized that I have forgot to include "build kernel with debug info", so I >> re-run build_kernel.sh, it moved kernel to 4.1.18-ti-r49, where I am unable >> to do any jtag debugging. >> Currently with the new build flashed to emmc, I halt uboot from booting >> linux kernel and then connect Jtag, it all works fine till this point. Next >> if I run the target using CCS UI, instead of resuming, uboot resets itself. >> I suspect on resume somehow the board is getting reset. >> >> I did not see this behaviour in the earlier version. But since I am not a >> git expert I do not know how can I move back to the previous tag. >> >> So two questions: >> 1. Is this a known bug on 4.1.y branch ?
and here's the easy workaround: https://github.com/RobertCNelson/ti-linux-kernel-dev/commit/94adc3cac2ac9d9ed16cff2d425acb92d7b243f0 ./build_kernel.sh stop build after menuconfig pop;s up: edit: KERNEL/arch/arm/boot/dts/am335x-boneblack.dts /* #include "am335x-bone-jtag.dtsi" */ -> #include "am335x-bone-jtag.dtsi" ./tools/rebuild.sh jtag back... Regards, -- Robert Nelson https://rcn-ee.com/ -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
