From: Petr Hracek <phracek@redhat.com>
To: Eli Zaretskii <eliz@gnu.org>, 20614@debbugs.gnu.org
Subject: bug#20614: Segmentation fault when building on Power8 Little Endian
Date: Tue, 6 Oct 2015 13:52:52 +0200 [thread overview]
Message-ID: <5613B614.4090805@redhat.com> (raw)
In-Reply-To: <5613894B.9070902@redhat.com>
On 10/06/2015 10:41 AM, Petr Hracek wrote:
> On 10/05/2015 06:52 PM, Eli Zaretskii wrote:
>>> Cc: 20614@debbugs.gnu.org
>>> From: Petr Hracek <phracek@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@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@redhat.com
next prev parent reply other threads:[~2015-10-06 11:52 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-20 7:56 bug#20614: Segmentation fault when building on Power8 Little Endian Petr Hracek
2015-05-20 14:45 ` Eli Zaretskii
2015-05-20 16:12 ` Glenn Morris
2015-05-21 12:55 ` Petr Hracek
2015-07-13 11:27 ` Petr Hracek
2015-07-13 13:16 ` Andreas Schwab
2015-07-14 7:52 ` Petr Hracek
2015-07-14 8:14 ` Andreas Schwab
2015-09-16 11:28 ` Petr Hracek
2015-09-22 10:17 ` Petr Hracek
2015-09-23 8:06 ` Petr Hracek
2015-09-23 9:34 ` Eli Zaretskii
2015-09-23 11:00 ` Petr Hracek
2015-09-23 11:14 ` Eli Zaretskii
2015-09-23 12:11 ` Petr Hracek
2015-09-23 12:23 ` Eli Zaretskii
2015-09-24 11:04 ` Petr Hracek
2015-09-24 15:32 ` Eli Zaretskii
2015-09-24 17:56 ` Petr Hracek
2015-09-26 7:58 ` Eli Zaretskii
2015-09-30 10:39 ` Petr Hracek
2015-10-01 7:43 ` Eli Zaretskii
2015-10-01 8:46 ` Petr Hracek
2015-10-01 11:44 ` Petr Hracek
2015-10-01 11:53 ` Petr Hracek
2015-10-01 12:22 ` Eli Zaretskii
2015-10-01 14:05 ` Petr Hracek
2015-10-01 16:01 ` Eli Zaretskii
2015-10-02 8:36 ` Petr Hracek
2015-10-02 8:49 ` Eli Zaretskii
2015-10-02 12:58 ` Petr Hracek
2015-10-02 13:46 ` Eli Zaretskii
2015-10-05 7:40 ` Petr Hracek
2015-10-05 8:27 ` Eli Zaretskii
2015-10-05 9:16 ` Petr Hracek
2015-10-05 9:39 ` Eli Zaretskii
2015-10-05 11:23 ` Petr Hracek
2015-10-05 11:40 ` Eli Zaretskii
2015-10-05 14:07 ` Petr Hracek
2015-10-05 16:52 ` Eli Zaretskii
2015-10-06 8:41 ` Petr Hracek
2015-10-06 11:52 ` Petr Hracek [this message]
2015-10-06 14:55 ` Eli Zaretskii
2015-10-07 8:17 ` Petr Hracek
2015-10-07 10:56 ` YAMAMOTO Mitsuharu
2015-10-07 12:26 ` Petr Hracek
2015-10-08 0:54 ` YAMAMOTO Mitsuharu
2015-10-08 13:27 ` Jaromir Capik
2015-10-10 1:40 ` YAMAMOTO Mitsuharu
2015-10-10 15:44 ` Andreas Schwab
2015-10-13 7:30 ` Petr Hracek
2015-10-13 8:30 ` Andreas Schwab
2015-10-16 15:24 ` Jaromir Capik
2015-10-19 7:20 ` Andreas Schwab
2015-09-23 12:10 ` Petr Hracek
2015-09-23 12:21 ` Eli Zaretskii
2015-09-23 13:10 ` Petr Hracek
2015-09-23 13:38 ` Petr Hracek
2015-09-23 13:57 ` Eli Zaretskii
2015-09-23 17:25 ` Glenn Morris
2015-09-23 17:47 ` Glenn Morris
2015-09-29 8:15 ` Florian Weimer
2015-07-13 12:17 ` bug#20614: Segmentation fault when building on Power8 Little Endian (ppc64le) Petr Hracek
2015-11-17 1:59 ` bug#20614: alignment problem with recent Emacs unexelf.c changes Paul Eggert
2015-11-17 9:03 ` Alan Modra
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