On 08/22/2018 01:05 AM, Auston Stewart wrote: > Greetings, > > As others have reported > (https://lists.denx.de/pipermail/u-boot/2018-July/334126.html), a 'data > abort' occurs when attempting to load the kernel with recent u-boot > compiled with recent GCC on Allwinner (Sunxi) H3 boards. I ran into this > issue when performing a bootstrap of Shedbuilt GNU/Linux with upstream > GCC 8.20, glibc 2.28 and binutils 2.31.1 on a Nano Pi Neo 512M board. > I brought up this issue in IRC and did some debugging with xypron, who > asked that I message the list. > > Configurations I've personally tested: > u-boot 2018.07 nanopi_neo_defconfig / GCC 8.2.0 + Kernel 4.17.14 / GCC > 8.2.0 = broken > u-boot 2018.09-rc2 nanopi_neo_defconfig / GCC 8.2.0 + Kernel 4.17.14 / > GCC 8.2.0 = broken > u-boot 2018.05 nanopi_neo_defconfig / GCC 7.3.0 + Kernel 4.17.14 / GCC > 8.2.0 = works > u-boot 2018.03 nanopi_neo_defconfig / GCC 7.2.0 + Kernel 4.17.14 / GCC > 8.2.0 = works > u-boot 2018.09-rc2 ARMv7 unaligned access patch > (https://lists.denx.de/pipermail/u-boot/2018-March/324202.html) / > nanopi_neo_defconfig / GCC 8.2.0 + Kernel 4.17.14 / GCC 8.2.0 = broken > > Error (captured on Nano Pi Neo 512M with 2018.09-rc2): > (for complete log, > see https://gist.github.com/austons/222c6f1fd304d0832bec9964a4f569f0) > Starting kernel ... > > data abort > pc : [<5ff9f16c>] lr : [<5ff76ed7>] > reloc pc : [<4a02916c>] lr : [<4a000ed7>] > sp : 5bf50588 ip : 5bf568da fp : 40008000 > r10: 5bf50698 r9 : 5bf55ee0 r8 : 00000400 > r7 : 00000000 r6 : 40008000 r5 : 49ff8000 r4 : 00000000 > r3 : 49ff8000 r2 : 49ff8000 r1 : 00000000 r0 : 00000000 > Flags: nZCv IRQs off FIQs off Mode UK6_32 > Code: e12fff1e e52de008 fa000001 e3a00000 (e49df008) > Resetting CPU ... > > I have access to a number of H3/sun8i test devices to assist in > diagnosis. There is some speculation in the earlier thread that USB > changes post-2018.07rc1 could be a cause, but the only confirmed > workaround is reverting to earlier GCC. > Thank you for your time. Please let me know if there are other details > I can provide. > > Auston Stewart > Shedbuilt GNU/Linux > http://shedbuilt.net
Hi Auston, I built Bananapi_defconfig with gcc 8.2 (Debian Buster) and had not problem to boot Linux. Best regards Heinrich _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
