Date: Sat, 25 Nov 2017 13:58:11 -0800 From: Mark Millard <markmi@dsl-only.net> To: Pedro Giffuni <pfg@FreeBSD.org> Cc: FreeBSD Current <freebsd-current@freebsd.org>, FreeBSD Toolchain <freebsd-toolchain@freebsd.org> Subject: Re: ARM broken since a while Message-ID: <1A30D197-8194-4596-BC10-09F748C9915C@dsl-only.net> In-Reply-To: <96795c0d-5b7f-2ebc-ac39-59061a57aeec@FreeBSD.org> References: <5E1C6F4E-C573-4B99-AF96-FCB756B0A75B@dsl-only.net> <5D3C8011-1B5F-45CB-8390-9A6E9862FB47@dsl-only.net> <79bca8ee-7961-8e51-10bd-a65154ecd430@FreeBSD.org> <96795c0d-5b7f-2ebc-ac39-59061a57aeec@FreeBSD.org>
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=== Mark Millard markmi at dsl-only.net On 2017-Nov-25, at 1:10 PM, Pedro Giffuni <pfg at FreeBSD.org> wrote: > On 11/25/17 15:28, Pedro Giffuni wrote: >> >> ... >> >> I have seen problems on arm with zstd though. >> > For the record: > arm.armv6 buildworld failed, check _.arm.armv6.buildworld for details > .... > ===> lib/libzstd (all) > Assertion failed: (LiveCPSR && "CPSR liveness tracking is wrong!"), function UpdateCPSRUse, file /usr/src/contrib/llvm/lib/Target/ARM/Thumb2SizeReduction.cpp, line 961. > cc: error: unable to execute command: Abort trap (core dumped) > cc: error: clang frontend command failed due to signal (use -v to see invocation) > FreeBSD clang version 5.0.0 (tags/RELEASE_500/final 312559) (based on LLVM 5.0.0svn) > Target: armv6--freebsd12.0-gnueabihf > Thread model: posix > InstalledDir: /usr/bin > cc: note: diagnostic msg: PLEASE submit a bug report to https://bugs.freebsd.org/submit/ and include the crash backtrace, preprocessed source, and associated run script. > cc: note: diagnostic msg: > ******************** > > PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT: > Preprocessed source(s) and associated run script(s) are located at: > cc: note: diagnostic msg: /tmp/zstd_compress-3f783c.c > cc: note: diagnostic msg: /tmp/zstd_compress-3f783c.sh > cc: note: diagnostic msg: > > ******************** > --- zstd_compress.o --- > *** [zstd_compress.o] Error code 254 > > make[7]: stopped in /scratch/tmp/pfg/head/lib/libzstd > .... For this there is: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=223072 and: https://bugs.llvm.org/show_bug.cgi?id=35023 The detailed error message has changed over time but the above tracks that. I've not seen this problem (before armv7 or after I switched), possibly because I use -mcpu=cortex-a7 explicitly. (For aarch64: -mcpu=cortex-a53 .) === Mark Millard markmi at dsl-only.net
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