Package: emacs;
Reported by: Petr Hracek <phracek <at> redhat.com>
Date: Wed, 20 May 2015 07:59:01 UTC
Severity: important
Tags: patch
Done: Lars Ingebrigtsen <larsi <at> gnus.org>
Bug is archived. No further changes may be made.
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From: Petr Hracek <phracek <at> redhat.com> To: Eli Zaretskii <eliz <at> gnu.org>, 20614 <at> debbugs.gnu.org Subject: bug#20614: Segmentation fault when building on Power8 Little Endian Date: Tue, 6 Oct 2015 13:52:52 +0200
On 10/06/2015 10:41 AM, Petr Hracek wrote: > On 10/05/2015 06:52 PM, Eli Zaretskii wrote: >>> Cc: 20614 <at> debbugs.gnu.org >>> From: Petr Hracek <phracek <at> redhat.com> >>> Date: Mon, 5 Oct 2015 16:07:43 +0200 >>> >>> cd ../lisp; make -w compile-first >>> EMACS=/home/phracek/rpmbuild/BUILD/emacs-24.3/src/bootstrap-emacs >>> make[3]: Entering directory >>> `/home/phracek/rpmbuild/BUILD/emacs-24.3/lisp' >>> Compiling >>> /home/phracek/rpmbuild/BUILD/emacs-24.3/lisp/emacs-lisp/macroexp.el >>> /bin/sh: /home/phracek/rpmbuild/BUILD/emacs-24.3/src/bootstrap-emacs: >>> cannot execute binary file >>> make[3]: *** >>> [/home/phracek/rpmbuild/BUILD/emacs-24.3/lisp/emacs-lisp/macroexp.elc] >>> Error 126 >>> make[3]: Leaving directory >>> `/home/phracek/rpmbuild/BUILD/emacs-24.3/lisp' >>> make[2]: *** [bootstrap-emacs] Error 2 >>> make[2]: Leaving directory >>> `/home/phracek/rpmbuild/BUILD/emacs-24.3/src' >>> make[1]: *** [src] Error 2 >>> make[1]: Leaving directory `/home/phracek/rpmbuild/BUILD/emacs-24.3' >>> >>> Some information about bootstrap-emacs binary: >>> $ file /home/phracek/rpmbuild/BUILD/emacs-24.3/src/bootstrap-emacs >>> /home/phracek/rpmbuild/BUILD/emacs-24.3/src/bootstrap-emacs: ELF 64-bit >>> LSB executable, 64-bit PowerPC or cisco 7500, version 1 (SYSV), >>> corrupted program header size, stripped >>> $ >>> >>> If condition valid_pointer_p is set to >= 0 then it segfaults again. >>> Where can be a problem now? >> I don't know, sorry. This requires help from someone who knows about >> the structure of ELF executables. I suggested to ask some of Binutils >> maintainers to help. > > Reason of the failure is probably caused by if valid_pointer_p. > [phracek <at> ibm-p8-generic-01-le02 emacs]$ readelf -a > /home/phracek/rpmbuild/BUILD/emacs-24.3/src/bootstrap-emacs > ELF Header: > Magic: 7f 45 4c 46 02 01 01 00 00 00 00 00 00 00 00 00 > Class: ELF64 > Data: 2's complement, little endian > Version: 1 (current) > OS/ABI: UNIX - System V > ABI Version: 0 > Type: EXEC (Executable file) > Machine: PowerPC64 > Version: 0x1 > Entry point address: 0x10016100 > Start of program headers: 64 (bytes into file) > Start of section headers: 23502592 (bytes into file) > Flags: 0x1669f00 > Size of this header: 0 (bytes) > Size of program headers: 0 (bytes) > Number of program headers: 9 > Size of section headers: 64 (bytes) > Number of section headers: 35 > Section header string table index: 32 > > Section Headers: > [Nr] Name Type Address Offset > Size EntSize Flags Link Info Align > [ 0] <no-name> NULL 0000000000000000 00000000 > 0000000000000000 0000000000000000 0 0 0 > [ 1] <no-name> NULL 0000000000000000 00000000 > 0000000000000000 0000000000000000 0 0 0 > [ 2] <no-name> NULL 0000000000000000 00000000 > 0000000000000000 0000000000000000 0 0 0 > [ 3] <no-name> NULL 0000000000000000 00000000 > 0000000000000000 0000000000000000 0 0 0 > [ 4] <no-name> NULL 0000000000000000 00000000 > 0000000000000000 0000000000000000 0 0 0 > [ 5] <no-name> NULL 0000000000000000 00000000 > 0000000000000000 0000000000000000 0 0 0 > [ 6] <no-name> NULL 0000000000000000 00000000 > 0000000000000000 0000000000000000 0 0 0 > [ 7] <no-name> NULL 0000000000000000 00000000 > 0000000000000000 0000000000000000 0 0 0 > [ 8] <no-name> NULL 0000000000000000 00000000 > 0000000000000000 0000000000000000 0 0 0 > [ 9] <no-name> NULL 0000000000000000 00000000 > 0000000000000000 0000000000000000 0 0 0 > [10] <no-name> NULL 0000000000000000 00000000 > 0000000000000000 0000000000000000 0 0 0 > [11] <no-name> NULL 0000000000000000 00000000 > 0000000000000000 0000000000000000 0 0 0 > [12] <no-name> NULL 0000000000000000 00000000 > 0000000000000000 0000000000000000 0 0 0 > [13] <no-name> NULL 0000000000000000 00000000 > 0000000000000000 0000000000000000 0 0 0 > [14] <no-name> NULL 0000000000000000 00000000 > 0000000000000000 0000000000000000 0 0 0 > [15] <no-name> NULL 0000000000000000 00000000 > 0000000000000000 0000000000000000 0 0 0 > [16] <no-name> NULL 0000000000000000 00000000 > 0000000000000000 0000000000000000 0 0 0 > [17] <no-name> NULL 0000000000000000 00000000 > 0000000000000000 0000000000000000 0 0 0 > [18] <no-name> NULL 0000000000000000 00000000 > 0000000000000000 0000000000000000 0 0 0 > [19] <no-name> NULL 0000000000000000 00000000 > 0000000000000000 0000000000000000 0 0 0 > [20] <no-name> NULL 0000000000000000 00000000 > 0000000000000000 0000000000000000 0 0 0 > [21] <no-name> NULL 0000000000000000 00000000 > 0000000000000000 0000000000000000 0 0 0 > [22] <no-name> NULL 0000000000000000 00000000 > 0000000000000000 0000000000000000 0 0 0 > [23] <no-name> NULL 0000000000000000 00000000 > 0000000000000000 0000000000000000 0 0 0 > [24] <no-name> NULL 0000000000000000 00000000 > 0000000000000000 0000000000000000 0 0 0 > [25] <no-name> NULL 0000000000000000 00000000 > 0000000000000000 0000000000000000 0 0 0 > [26] <no-name> NULL 0000000000000000 00000000 > 0000000000000000 0000000000000000 0 0 0 > [27] <no-name> NULL 0000000000000000 00000000 > 0000000000000000 0000000000000000 0 0 0 > [28] <no-name> NULL 0000000000000000 00000000 > 0000000000000000 0000000000000000 0 0 0 > [29] <no-name> NULL 0000000000000000 00000000 > 0000000000000000 0000000000000000 0 0 0 > [30] <no-name> NULL 0000000000000000 00000000 > 0000000000000000 0000000000000000 0 0 0 > [31] <no-name> NULL 0000000000000000 00000000 > 0000000000000000 0000000000000000 0 0 0 > [32] <no-name> NULL 0000000000000000 00000000 > 0000000000000000 0000000000000000 0 0 0 > [33] <no-name> NULL 0000000000000000 00000000 > 0000000000000000 0000000000000000 0 0 0 > [34] <no-name> NULL 0000000000000000 00000000 > 0000000000000000 0000000000000000 0 0 0 > Key to Flags: > W (write), A (alloc), X (execute), M (merge), S (strings) > I (info), L (link order), G (group), T (TLS), E (exclude), x (unknown) > O (extra OS processing required) o (OS specific), p (processor > specific) > > There are no section groups in this file. > > There are no relocations in this file. > > The decoding of unwind sections for machine type PowerPC64 is not > currently supported. > > No version information found in this file. > > I have a question unexec part is called always? Even when make bootstrap is not called? What is bootstrap used for? -- Petr Hracek Software Engineer Developer Experience Red Hat, Inc Mob: +420777056169 email: phracek <at> redhat.com
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