Date: Sat, 8 Dec 2018 02:43:17 +0200 From: Konstantin Belousov <kostikbel@gmail.com> To: Steve Kargl <sgk@troutmask.apl.washington.edu> Cc: freebsd-current@freebsd.org, freebsd-hackers@freebsd.org Subject: Re: HEADSUP: Something has gone south with -current Message-ID: <20181208004317.GN52540@kib.kiev.ua> In-Reply-To: <20181208002539.GC23410@troutmask.apl.washington.edu> References: <20181207230622.GA22163@troutmask.apl.washington.edu> <20181207233019.GA22981@troutmask.apl.washington.edu> <20181207235233.GA23410@troutmask.apl.washington.edu> <20181208000820.GM52540@kib.kiev.ua> <20181208002539.GC23410@troutmask.apl.washington.edu>
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On Fri, Dec 07, 2018 at 04:25:39PM -0800, Steve Kargl wrote: > On Sat, Dec 08, 2018 at 02:08:20AM +0200, Konstantin Belousov wrote: > > On Fri, Dec 07, 2018 at 03:52:33PM -0800, Steve Kargl wrote: > > > On Fri, Dec 07, 2018 at 03:30:19PM -0800, Steve Kargl wrote: > > > > On Fri, Dec 07, 2018 at 03:06:22PM -0800, Steve Kargl wrote: > > > > > > > > > > make core dumps. > > > > > devd core dumps. > > > > > init core dumps. > > > > > cc core dumps. > > > > > c++ core dumps. > > > > > > > > > > Something seems to be broken. > > > > > > > > > > > > > Further investigation, > > > > as core dumps. > > > > cpp core dumps. > > > > /rescue/vi core dumps. > > > > > > > > All of these programs are statically linked. Note, ar and ranlib > > > > have static linkage, and appear to still work but these were not > > > > replaced by the failing 'make installworld'. > > > > > > > > Ah, so if I go into /usr/obj/usr/src/amd64.amd64/ar, this ar > > > > is static and not stripped and works! But, if I do > > > > > > > > cp ar ar.new > > > > strip ar > > > > ./ar > > > > > > > > This ar core dumps. So, stripping static binaries seems to > > > > break the binary. > > > > > > > > > > Yep, definitely, a problem with stripping static binaries. > > > > > > I copied both init and devd from /usr/obj to /sbin without > > > stripping the binaries. System rebooted as expected. > > > > Most likely this is an issue fixed by r339350. > > My tree is at r341703. The last paragraph of the commit > message for r339350 is Which tree ? The strip that is used by install should be past this revision. > > Just remove filter_reloc. This fixes certain cases including statically > linked binaries containing ifuncs. Stripping binaries with relocations > referencing removed symbols was already broken, and after this change > may still be broken in a different way. > > So, I guess I'm hitting the "broken in a different way". > > The gdb82 backtrace ends up in jemalloc. I do build world with > MALLOC_PRODUCTION="YES". Perhaps, ifuncs+jemalloc aren't at > production level. I have few more broken static binaries that > I need to replace before I can rebuild without MALLOC_PRODUCTION. > > -- > Steve
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