> Am 07.02.2020 um 15:54 schrieb Merlijn Wajer <merlijn@xxxxxxxxxx>: > > Hi, > > I've tried to build 5.4.18 and 5.5.2 for the Nokia N900, using > omap2plus_defconfig. Using appended DTB, like so: > > $ cat arch/arm/boot/zImage arch/arm/boot/dts/omap3-n900.dtb > zImage.dtb > $ mkimage -A arm -O linux -T kernel -C none -a 80008000 -e 80008000 -n > zImage -d zImage.dtb uImage > > But they both fail to boot for me - the device resets almost instantly: > >> data abort >> >> MAYBE you should read doc/README.arm-unaligned-accesses >> >> pc : [<8000c878>] lr : [<80008160>] >> sp : 803c46c8 ip : 003a1870 fp : 003a1848 >> r10: 803ba890 r9 : 00caa42c r8 : 80000100 >> r7 : 000007a3 r6 : 803a9878 r5 : 80000100 r4 : 80008000 >> r3 : 00004e6c r2 : 00019fa8 r1 : 803a9878 r0 : 00000000 >> Flags: nZcv IRQs off FIQs on Mode SVC_32 >> Resetting CPU ... >> >> resetting ... > > Full log below. I tried the same with "-Os" instead of "-O2" ; to no avail. > > Any clue what could be up? I can only tell that I have successfully running 5.5.2 on GTA04A5 (dm3730 but with our own defconfig). This may reduce the number of problem areas a little. BR, Nikolaus