Control: tags -1 fixed-upstream On 07/02/17 13:03, James Cowgill wrote: > Control: reopen -1 > Control: retitle -1 valgrind: segfaults on MIPS Cavium Octeon boards > Control: severity -1 important > > Hi, > > On Tue, 7 Feb 2017 17:20:44 +0800 YunQiang Su <wzss...@gmail.com> wrote: >> On Sun, 05 Feb 2017 00:39:49 +0200 Adrian Bunk <b...@debian.org> wrote: >>> Package: valgrind >>> Version: 1:3.12.0~svn20160714-1+b1 >>> Severity: serious >>> >> >> It seems that 1:3.12.0-1.1 doesn't have this problem. >> I also test it on Loongson 3A. >> >> root@thor:/# valgrind /usr/bin/hello >> ==2085== Memcheck, a memory error detector >> ==2085== Copyright (C) 2002-2015, and GNU GPL'd, by Julian Seward et al. >> ==2085== Using Valgrind-3.12.0 and LibVEX; rerun with -h for copyright info >> ==2085== Command: /usr/bin/hello >> ==2085== >> >> VEX: Unsupported baseline >> Found: Loongson-baseline >> Cannot continue. Good-bye > > Well this just means that valgrind refuses to run on Loongson. The code > which triggers this bug hasn't yet run at this point. > > However, if I hack /proc/cpuinfo so that it pretends to be an Octeon > machine, then valgrind does work correctly on Loongson 3A machines (at > least ls works). I can also get valgrind to work correctly on the CI20. > > It seems this bug is Octeon specific. I'm downgrading the bug on that > basis since it doesn't affect mipsel in general. It just so happens that > the majority of the buildds and the 2 mips porterboxes are Octeons.
FYI this bug and a related bug causing hangs on Octeon have now been fixed in upstream SVN. See: https://bugs.kde.org/show_bug.cgi?id=376142 Thanks, James
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