On 2016-07-19 19:22 +0100, Wookey wrote: > On 2016-07-19 11:07 -0700, Martin Michlmayr wrote: > > * Wookey <wookey@wookware.org> [2016-07-19 18:51]: > > > I tried putting in the new debian u-boot as documented on https://wiki.debian.org/InstallingDebianOn/NVIDIA/Jetson-TK1 > > > > > > sudo ./flash.sh -L ../tmp/usr/lib/u-boot/jetson-tk1/u-boot-dtb-tegra.bin -S 14580MiB jetson-tk1 mmcblk0p1 > > > > > > (i.e to internal flash, not SD card), and all I got was a bricked > > > board that won't boot at all. > > > > > > So that's dull. > > > > Did you use R19.3? Newer versions don't work. > > No. I have R21.4. So the flash script/config file in the newer ones > can't flash a working uboot binary? Seems like it ought to be possible > to make it, (given that it can flash the uboot.bin it comes with) but one > would have to work out exactly what changed. > > Guess I'll try the old one. OK. after some faffage I have determined that you are right, and using the flash.sh script/config in R19.3 does indeed flash the debian uboot binary in a way that boots, unlike the R21.4 script/config. It would be good to get to the bottom of that. > > > But whilst this was fine with debian kernel 4.5, intalling 4.6 made it > > > fail to boot. See > > > https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=827557 for details. > > > > This is the http://permalink.gmane.org/gmane.linux.ports.tegra/26941 > > issue I mentioned. I'll respond to the bug soon. > > OK. Confirming that was why I was trying to change my (otherwise working fine) uboot... And indeed, I have also confirmed that a) the stretch-alpha7 di works nicely, and with the Debian uboot in place the 4.6 kernel boots rather than hangs. Wookey -- Principal hats: Linaro, Debian, Wookware, ARM http://wookware.org/
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