From owner-freebsd-bugs@freebsd.org Thu Apr 26 16:39:54 2018 Return-Path: Delivered-To: freebsd-bugs@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 C0FA3FB2554 for ; Thu, 26 Apr 2018 16:39:54 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id 5308E6E69F for ; Thu, 26 Apr 2018 16:39:54 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.ysv.freebsd.org (Postfix) id 09EC8FB2553; Thu, 26 Apr 2018 16:39:54 +0000 (UTC) Delivered-To: bugs@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 DB749FB2552 for ; Thu, 26 Apr 2018 16:39:53 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.ysv.freebsd.org (mxrelay.ysv.freebsd.org [IPv6:2001:1900:2254:206a::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.ysv.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 754756E69B for ; Thu, 26 Apr 2018 16:39:53 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.ysv.freebsd.org (Postfix) with ESMTPS id A08F3171F7 for ; Thu, 26 Apr 2018 16:39:52 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id w3QGdqHK076183 for ; Thu, 26 Apr 2018 16:39:52 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id w3QGdqgJ076182 for bugs@FreeBSD.org; Thu, 26 Apr 2018 16:39:52 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 227552] w, uptime i386 cordeump Date: Thu, 26 Apr 2018 16:39:51 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: bin X-Bugzilla-Version: 11.1-STABLE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: dim@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 26 Apr 2018 16:39:55 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D227552 Dimitry Andric changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |dim@FreeBSD.org, | |emaste@freebsd.org --- Comment #10 from Dimitry Andric --- (In reply to Oleksandr Tymoshenko from comment #9) > xo_default_handle is passed as an argument to xo_init_handle so I added a > breakpoint and checked its content. Since it's static it's supposed to be > zero-initialized but instead there are a lot of garbage values. > xo_default_handle is thread-local variable so it might be a contributing > factor. ... > (gdb) p *xop > $1 =3D {xo_flags =3D 0, xo_iflags =3D 2883994737386192896, xo_style =3D 4= 5072, > xo_indent =3D 10246, xo_indent_by =3D 41472, xo_write =3D 0x1, > xo_close =3D 0x280601ef <__pthread_cleanup_push_imp_int+31>, xo_flush = =3D It definitely seems to have something to do with TLS. The libxo.so.0 file shipped in the FreeBSD-11.2-PRERELEASE-i386-20180420-r332802 snapshot has: Program Header: LOAD off 0x00000000 vaddr 0x00000000 paddr 0x00000000 align 2**12 filesz 0x00017160 memsz 0x00017160 flags r-x LOAD off 0x00017160 vaddr 0x00018160 paddr 0x00018160 align 2**12 filesz 0x00000604 memsz 0x00000654 flags rw- DYNAMIC off 0x00017264 vaddr 0x00018264 paddr 0x00018264 align 2**2 filesz 0x000000d8 memsz 0x000000d8 flags rw- TLS off 0x00017160 vaddr 0x00018764 paddr 0x00018764 align 2**3 filesz 0x00000000 memsz 0x00000050 flags r-- STACK off 0x00000000 vaddr 0x00000000 paddr 0x00000000 align 2**2 filesz 0x00000000 memsz 0x00000000 flags rw- but if I install this snapshot onto a machine, check out stable/11 r332802 = and rebuild lib/libxo, the resulting libxo.so.0 has: Program Header: LOAD off 0x00000000 vaddr 0x00000000 paddr 0x00000000 align 2**12 filesz 0x00017160 memsz 0x00017160 flags r-x LOAD off 0x00017160 vaddr 0x00018160 paddr 0x00018160 align 2**12 filesz 0x00000604 memsz 0x00000654 flags rw- DYNAMIC off 0x00017264 vaddr 0x00018264 paddr 0x00018264 align 2**2 filesz 0x000000d8 memsz 0x000000d8 flags rw- TLS off 0x00017160 vaddr 0x00018160 paddr 0x00018160 align 2**3 filesz 0x00000000 memsz 0x00000658 flags r-- STACK off 0x00000000 vaddr 0x00000000 paddr 0x00000000 align 2**2 filesz 0x00000000 memsz 0x00000000 flags rw- E.g. the shipped version has a TLS section of just 0x50 bytes, while the recompiled version has 0x658 bytes. The recompiled version also works just fine, with every test I throw at it. I don't know how the shipped versions are built, but I suspect there is something off there. --=20 You are receiving this mail because: You are the assignee for the bug.=