From owner-svn-src-stable-12@freebsd.org Mon Feb 18 07:58:24 2019 Return-Path: Delivered-To: svn-src-stable-12@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 1BD9814F681D; Mon, 18 Feb 2019 07:58:24 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from kib.kiev.ua (kib.kiev.ua [IPv6:2001:470:d5e7:1::1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4B5DA8299F; Mon, 18 Feb 2019 07:58:23 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from tom.home (kib@localhost [127.0.0.1]) by kib.kiev.ua (8.15.2/8.15.2) with ESMTPS id x1I7wFtC025189 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Mon, 18 Feb 2019 09:58:18 +0200 (EET) (envelope-from kostikbel@gmail.com) DKIM-Filter: OpenDKIM Filter v2.10.3 kib.kiev.ua x1I7wFtC025189 Received: (from kostik@localhost) by tom.home (8.15.2/8.15.2/Submit) id x1I7wEwA025188; Mon, 18 Feb 2019 09:58:14 +0200 (EET) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: tom.home: kostik set sender to kostikbel@gmail.com using -f Date: Mon, 18 Feb 2019 09:58:14 +0200 From: Konstantin Belousov To: "Herbert J. Skuhra" 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: <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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87bm3aawcn.wl-herbert@gojira.at> User-Agent: Mutt/1.11.2 (2019-01-07) X-Spam-Status: No, score=-1.0 required=5.0 tests=ALL_TRUSTED,BAYES_00, DKIM_ADSP_CUSTOM_MED,FORGED_GMAIL_RCVD,FREEMAIL_FROM, NML_ADSP_CUSTOM_MED autolearn=no autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on tom.home X-BeenThere: svn-src-stable-12@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for only the 12-stable src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 18 Feb 2019 07:58:24 -0000 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 ? > INSTALL_NODEBUG= > WITHOUT_TESTS= > WITHOUT_GAMES= > > /etc/make.conf contains only a line for KERNCONF and DEFAULT_VERSIONS. > > > Can you show me CPU identification lines from dmesg for a verbose boot ? > > CPU: Genuine Intel(R) CPU @ 1.60GHz (1600.06-MHz K8-class CPU) > Origin="GenuineIntel" Id=0x20661 Family=0x6 Model=0x26 Stepping=1 > Features=0xbfe9fbff > Features2=0x40e3bd > AMD Features=0x20100800 > AMD Features2=0x1 > VT-x: (disabled in BIOS) Basic Features=0x5a0400 > Pin-Based Controls=0x3f > Primary Processor Controls=0x77f9fffe MSRmap,MONITOR,PAUSE> > Exit Controls=0x5a0400 > Entry Controls=0x5a0400 > TSC: P-state invariant, performance statistics > Data TLB0: 4 KByte pages, fully associative, 16 entries > Data TLB1: 4 KByte pages, 4-way associative, 64 entries > Instruction TLB: 4 KByte pages, 32 entries > Data TLB: 4 KByte and 4 MByte pages, 4-way associative, 8 entries > 2nd-level cache: 512 KByte, 8-way set associative, 64-byte line size > 1st-level instruction cache: 32 KB, 8-way set associative, 64 byte line size > 1st-level data cache: 24 KBytes, 6-way set associative, 64 byte line size > L2 cache: 512 kbytes, 8-way associative, 64 bytes/line > > > I suspect that you can take /lib/libc.so.7 from 12.0 RELEASE and restore > > the system. If it helps, please move your existing libc.so.7 into some > > directory, reproduce the problem with 'LD_LIBRARY_PATH= > bad libc.so.7> /bin/ls' and load the core into gdb. I want to see > > the backtrace for start. > > Yes, restoring /lib/libc.so.7 from previous build (r344152) works. > > #0 0x0000000800487800 in *ABS*@plt () from /home/herbert/broken_libc/libc.so.7 > #1 0x000000080048781c in *ABS*@plt () from /home/herbert/broken_libc/libc.so.7 > #2 0x00000008003f2e6a in xdr_ypresponse () from /home/herbert/broken_libc/libc.so.7 > #3 0x0000000800464849 in access () from /home/herbert/broken_libc/libc.so.7 > #4 0x0000000800464938 in access () from /home/herbert/broken_libc/libc.so.7 > #5 0x0000000800429ad1 in clock_gettime () from /home/herbert/broken_libc/libc.so.7 > #6 0x00000008003b574f in madvise () from /home/herbert/broken_libc/libc.so.7 > #7 0x00000008003da262 in _pthread_mutex_init_calloc_cb () from /home/herbert/broken_libc/libc.so.7 > #8 0x00000008003dc4ba in _pthread_mutex_init_calloc_cb () from /home/herbert/broken_libc/libc.so.7 > #9 0x00000008003e958c in _malloc_first_thread () from /home/herbert/broken_libc/libc.so.7 > #10 0x00000008003e7ba8 in nallocm () from /home/herbert/broken_libc/libc.so.7 > #11 0x0000000800214479 in r_debug_state () from /libexec/ld-elf.so.1 > #12 0x000000080021305a in __tls_get_addr () from /libexec/ld-elf.so.1 > #13 0x0000000800211019 in ?? () from /libexec/ld-elf.so.1 > #14 0x0000000000000000 in ?? () > > -- > Herbert