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Date:      Mon, 18 Feb 2019 12:37:45 +0100
From:      "Herbert J. Skuhra" <herbert@gojira.at>
To:        Konstantin Belousov <kostikbel@gmail.com>
Cc:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org
Subject:   Re: svn commit: r344157 - stable/12/lib/libc/x86/sys
Message-ID:  <20190218113745.skk5eoofarzsjbq6@mail.bsd4all.net>
In-Reply-To: <20190218075814.GE2420@kib.kiev.ua>
References:  <201902151133.x1FBXmHU060955@repo.freebsd.org> <87d0nqazuq.wl-herbert@gojira.at> <20190217211916.GD2420@kib.kiev.ua> <87bm3aawcn.wl-herbert@gojira.at> <20190218075814.GE2420@kib.kiev.ua>

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On Mon, Feb 18, 2019 at 09:58:14AM +0200, Konstantin Belousov wrote:
> On Sun, Feb 17, 2019 at 11:22:48PM +0100, Herbert J. Skuhra wrote:
> > On Sun, 17 Feb 2019 22:19:16 +0100, Konstantin Belousov wrote:
> > > 
> > > On Sun, Feb 17, 2019 at 10:07:09PM +0100, Herbert J. Skuhra wrote:
> > > > On Fri, 15 Feb 2019 12:33:48 +0100, Konstantin Belousov wrote:
> > > > > 
> > > > > Author: kib
> > > > > Date: Fri Feb 15 11:33:48 2019
> > > > > New Revision: 344157
> > > > > URL: https://svnweb.freebsd.org/changeset/base/344157
> > > > > 
> > > > > Log:
> > > > >   MFC r343855, r343859:
> > > > >   Use ifunc to select the barrier instruction for RDTSC.
> > > > > 
> > > > > Modified:
> > > > >   stable/12/lib/libc/x86/sys/__vdso_gettc.c
> > > > > Directory Properties:
> > > > >   stable/12/   (props changed)
> > > > 
> > > > After upgrading my Soekris Net 6501-70 (amd64) to this revision the
> > > > system is unusable. Basically all programs produce a "Segmentation
> > > > fault (core dumped)":
> > > > 
> > > > pid 856 (ls), jid 0, uid 1001: exited on signal 11 (core dumped)
> > > > pid 857 (ls), jid 0, uid 1001: exited on signal 11 (core dumped)
> > > > pid 858 (bsdtar), jid 0, uid 0: exited on signal 11 (core dumped)
> > > > pid 859 (sh), jid 0, uid 0: exited on signal 11 (core dumped)
> > > > pid 876 (dmesg), jid 0, uid 1001: exited on signal 11 (core dumped)
> > > > pid 877 (su), jid 0, uid 0: exited on signal 11
> > > > pid 880 (more), jid 0, uid 1001: exited on signal 11 (core dumped)
> > > > pid 885 (sudo), jid 0, uid 0: exited on signal 11
> > > 
> > > What do you have in your make.conf and src.conf ?
> > 
> > I am building on a faster machine with a Intel(R) Xeon(R) CPU.
> > 
> > /etc/src.conf:
> > 
> > WITHOUT_DEBUG_FILES=
> > WITHOUT_KERNEL_SYMBOLS=
> > WITHOUT_PROFILE=
> > WITH_KERNEL_RETPOLINE=
> 
> > WITH_RETPOLINE=
> ^^^^^^
> Remove this setting and rebuild the world.
> Is it still broken ?

No, without the line "WITH_RETPOLINE=" the system is OK.

Thanks.

-- 
Herbert



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