Hi Nicholas, First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git test head: 6f13ef67fa45546813f6a7f798d95a27ba469f29 commit: 5bbf2094b13af5f9253a607681a51e27de249ab8 [88/124] powerpc/64s: consolidate Machine Check 0x200 interrupt config: powerpc-g5_defconfig (attached as .config) compiler: powerpc64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 5bbf2094b13af5f9253a607681a51e27de249ab8 # save the attached .config to linux build tree make.cross ARCH=powerpc Note: the powerpc/test HEAD 6f13ef67fa45546813f6a7f798d95a27ba469f29 builds fine. It only hurts bisectibility. All errors (new ones prefixed by >>): arch/powerpc/kernel/exceptions-64s.S: Assembler messages: >> arch/powerpc/kernel/exceptions-64s.S:1493: Error: attempt to move .org >> backwards vim +1493 arch/powerpc/kernel/exceptions-64s.S 087aa036 Chen Gang 2013-03-25 1487 ld r10,_LINK(r1) /* make idle task do the */ 087aa036 Chen Gang 2013-03-25 1488 std r10,_NIP(r1) /* equivalent of a blr */ 087aa036 Chen Gang 2013-03-25 1489 blr 00f29fdb Nicholas Piggin 2016-09-21 1490 TRAMP_HANDLER_END(power4_fixup_nap) 087aa036 Chen Gang 2013-03-25 1491 #endif 087aa036 Chen Gang 2013-03-25 1492 fe06bbba Nicholas Piggin 2016-09-21 @1493 CLOSE_FIXED_SECTION(real_vectors); fe06bbba Nicholas Piggin 2016-09-21 1494 CLOSE_FIXED_SECTION(real_trampolines); fe06bbba Nicholas Piggin 2016-09-21 1495 CLOSE_FIXED_SECTION(virt_vectors); fe06bbba Nicholas Piggin 2016-09-21 1496 CLOSE_FIXED_SECTION(virt_trampolines); :::::: The code at line 1493 was first introduced by commit :::::: fe06bbbaa8c7b8b2600e08af1aeb105e6f0c10f3 powerpc/64: use gas sections for arranging exception vectors :::::: TO: Nicholas Piggin <npig...@gmail.com> :::::: CC: Michael Ellerman <m...@ellerman.id.au> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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