CC: ARM SUNXI maintainers On 08/22/2018 01:31 AM, Heinrich Schuchardt wrote: > 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 > >
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