On Thu, 02 Jul 2009, David Brown wrote: David,
I noticed some differences in the readelf output between the broken executable and the test program. Can you make sure that the build process for nwchem and the test program are exactly the same. I am suspecting that something in the nwchem build process is not using all the correct options for segment remapping. Specifically the hash style is different, while that shouldn't cause the problem it might point to something being left out of the build for nwchem. Eric <snip> > here's the ld version: > # ld --version > GNU ld version 2.17.50.0.6-9.el5 20061020 > Copyright 2005 Free Software Foundation, Inc. > This program is free software; you may redistribute it under the terms of > the GNU General Public License. This program has absolutely no warranty. This version of ld should work fine with the -zcommon-page-size and -zmax-page-size linker options. > > here's the readelf output of the binary that's producing the > segmentation fault in libhugetlbfs > # readelf -S nwchem-5.1.1/bin/LINUX64/nwchem > There are 41 section headers, starting at offset 0x51a2f38: > > Section Headers: > [Nr] Name Type Address Offset > Size EntSize Flags Link Info Align > [ 0] NULL 0000000000000000 00000000 > 0000000000000000 0000000000000000 0 0 0 > [ 1] .interp PROGBITS 0000000000400200 00000200 > 000000000000001c 0000000000000000 A 0 0 1 > [ 2] .note.ABI-tag NOTE 000000000040021c 0000021c > 0000000000000020 0000000000000000 A 0 0 4 > [ 3] .hash HASH 0000000000400240 00000240 > 0000000000021edc 0000000000000004 A 4 0 8 > [ 4] .dynsym DYNSYM 0000000000422120 00022120 > 000000000006b670 0000000000000018 A 5 1 8 > [ 5] .dynstr STRTAB 000000000048d790 0008d790 > 00000000000418a3 0000000000000000 A 0 0 1 > [ 6] .gnu.version VERSYM 00000000004cf034 000cf034 > 0000000000008f34 0000000000000002 A 4 0 2 > [ 7] .gnu.version_r VERNEED 00000000004d7f68 000d7f68 > 00000000000001a0 0000000000000000 A 5 11 8 > [ 8] .rela.dyn RELA 00000000004d8108 000d8108 > 0000000000000078 0000000000000018 A 4 0 8 > [ 9] .rela.plt RELA 00000000004d8180 000d8180 > 0000000000002880 0000000000000018 A 4 11 8 > [10] .init PROGBITS 00000000004daa00 000daa00 > 0000000000000018 0000000000000000 AX 0 0 4 > [11] .plt PROGBITS 00000000004daa18 000daa18 > 0000000000001b10 0000000000000010 AX 0 0 4 > [12] .text PROGBITS 00000000004dc530 000dc530 > 0000000002a4a778 0000000000000000 AX 0 0 16 > [13] .fini PROGBITS 0000000002f26ca8 02b26ca8 > 000000000000000e 0000000000000000 AX 0 0 4 > [14] .rodata PROGBITS 0000000002f26cc0 02b26cc0 > 00000000005df8f0 0000000000000000 A 0 0 32 > [15] .eh_frame_hdr PROGBITS 00000000035065b0 031065b0 > 000000000000a27c 0000000000000000 A 0 0 4 > [16] .eh_frame PROGBITS 0000000003510830 03110830 > 0000000000031674 0000000000000000 A 0 0 8 > [17] .ctors PROGBITS 0000000003741ea8 03141ea8 > 0000000000000010 0000000000000000 WA 0 0 8 > [18] .dtors PROGBITS 0000000003741eb8 03141eb8 > 0000000000000010 0000000000000000 WA 0 0 8 > [19] .jcr PROGBITS 0000000003741ec8 03141ec8 > 0000000000000008 0000000000000000 WA 0 0 8 > [20] .dynamic DYNAMIC 0000000003741ed0 03141ed0 > 0000000000000290 0000000000000010 WA 5 0 8 > [21] .got PROGBITS 0000000003742160 03142160 > 0000000000000008 0000000000000008 WA 0 0 8 > [22] .got.plt PROGBITS 0000000003742168 03142168 > 0000000000000d98 0000000000000008 WA 0 0 8 > [23] .data PROGBITS 0000000003742f00 03142f00 > 0000000000de2218 0000000000000000 WA 0 0 32 > [24] .bss NOBITS 0000000004525120 03f25118 > 00000000050b7ab0 0000000000000000 WA 0 0 32 > [25] .comment PROGBITS 0000000000000000 03f25118 > 00000000000ca909 0000000000000000 0 0 1 > [26] .debug_aranges PROGBITS 0000000000000000 03fefa21 > 0000000000009cc0 0000000000000000 0 0 1 > [27] .debug_pubnames PROGBITS 0000000000000000 03ff96e1 > 0000000000015c7f 0000000000000000 0 0 1 > [28] .debug_info PROGBITS 0000000000000000 0400f360 > 00000000009bdfa6 0000000000000000 0 0 1 > [29] .debug_abbrev PROGBITS 0000000000000000 049cd306 > 00000000000358a6 0000000000000000 0 0 1 > [30] .debug_line PROGBITS 0000000000000000 04a02bac > 0000000000371fa5 0000000000000000 0 0 1 > [31] .debug_frame PROGBITS 0000000000000000 04d74b58 > 000000000003dc48 0000000000000000 0 0 8 > [32] .debug_str PROGBITS 0000000000000000 04db27a0 > 0000000000015802 0000000000000001 MS 0 0 1 > [33] .debug_loc PROGBITS 0000000000000000 04dc7fa2 > 00000000001d0d5c 0000000000000000 0 0 1 > [34] .debug_funcnames PROGBITS 0000000000000000 04f98cfe > 000000000000049c 0000000000000000 0 0 1 > [35] .debug_typenames PROGBITS 0000000000000000 04f9919a > 000000000007e2bf 0000000000000000 0 0 1 > [36] .debug_varnames PROGBITS 0000000000000000 05017459 > 000000000013662b 0000000000000000 0 0 1 > [37] .debug_ranges PROGBITS 0000000000000000 0514da84 > 0000000000055320 0000000000000000 0 0 1 > [38] .shstrtab STRTAB 0000000000000000 051a2da4 > 000000000000018f 0000000000000000 0 0 1 > [39] .symtab SYMTAB 0000000000000000 051a3978 > 00000000000fdbd8 0000000000000018 40 24977 8 > [40] .strtab STRTAB 0000000000000000 052a1550 > 000000000008bc72 0000000000000000 0 0 1 > Key to Flags: > W (write), A (alloc), X (execute), M (merge), S (strings) > I (info), L (link order), G (group), x (unknown) > O (extra OS processing required) o (OS specific), p (processor specific) > > And here's the readelf output of the test program that I finally got working. > > # readelf -S test > There are 29 section headers, starting at offset 0xcc0: > > Section Headers: > [Nr] Name Type Address Offset > Size EntSize Flags Link Info Align > [ 0] NULL 0000000000000000 00000000 > 0000000000000000 0000000000000000 0 0 0 > [ 1] .interp PROGBITS 0000000000400200 00000200 > 000000000000001c 0000000000000000 A 0 0 1 > [ 2] .note.ABI-tag NOTE 000000000040021c 0000021c > 0000000000000020 0000000000000000 A 0 0 4 > [ 3] .gnu.hash GNU_HASH 0000000000400240 00000240 > 000000000000003c 0000000000000000 A 4 0 8 > [ 4] .dynsym DYNSYM 0000000000400280 00000280 > 0000000000000138 0000000000000018 A 5 1 8 > [ 5] .dynstr STRTAB 00000000004003b8 000003b8 > 00000000000000a4 0000000000000000 A 0 0 1 > [ 6] .gnu.version VERSYM 000000000040045c 0000045c > 000000000000001a 0000000000000002 A 4 0 2 > [ 7] .gnu.version_r VERNEED 0000000000400478 00000478 > 0000000000000020 0000000000000000 A 5 1 8 > [ 8] .rela.dyn RELA 0000000000400498 00000498 > 0000000000000018 0000000000000018 A 4 0 8 > [ 9] .rela.plt RELA 00000000004004b0 000004b0 > 0000000000000060 0000000000000018 A 4 11 8 > [10] .init PROGBITS 0000000000400510 00000510 > 0000000000000018 0000000000000000 AX 0 0 4 > [11] .plt PROGBITS 0000000000400528 00000528 > 0000000000000050 0000000000000010 AX 0 0 4 > [12] .text PROGBITS 0000000000400580 00000580 > 0000000000000248 0000000000000000 AX 0 0 16 > [13] .fini PROGBITS 00000000004007c8 000007c8 > 000000000000000e 0000000000000000 AX 0 0 4 > [14] .rodata PROGBITS 00000000004007d8 000007d8 > 0000000000000016 0000000000000000 A 0 0 8 > [15] .eh_frame_hdr PROGBITS 00000000004007f0 000007f0 > 0000000000000024 0000000000000000 A 0 0 4 > [16] .eh_frame PROGBITS 0000000000400818 00000818 > 0000000000000094 0000000000000000 A 0 0 8 > [17] .ctors PROGBITS 00000000008008b0 000008b0 > 0000000000000010 0000000000000000 WA 0 0 8 > [18] .dtors PROGBITS 00000000008008c0 000008c0 > 0000000000000010 0000000000000000 WA 0 0 8 > [19] .jcr PROGBITS 00000000008008d0 000008d0 > 0000000000000008 0000000000000000 WA 0 0 8 > [20] .dynamic DYNAMIC 00000000008008d8 000008d8 > 00000000000001a0 0000000000000010 WA 5 0 8 > [21] .got PROGBITS 0000000000800a78 00000a78 > 0000000000000008 0000000000000008 WA 0 0 8 > [22] .got.plt PROGBITS 0000000000800a80 00000a80 > 0000000000000038 0000000000000008 WA 0 0 8 > [23] .data PROGBITS 0000000000800ab8 00000ab8 > 0000000000000004 0000000000000000 WA 0 0 4 > [24] .bss NOBITS 0000000000800ac0 00000abc > 0000000080000020 0000000000000000 WA 0 0 32 > [25] .comment PROGBITS 0000000000000000 00000abc > 0000000000000114 0000000000000000 0 0 1 > [26] .shstrtab STRTAB 0000000000000000 00000bd0 > 00000000000000eb 0000000000000000 0 0 1 > [27] .symtab SYMTAB 0000000000000000 00001400 > 00000000000006a8 0000000000000018 28 50 8 > [28] .strtab STRTAB 0000000000000000 00001aa8 > 000000000000027d 0000000000000000 0 0 1 > Key to Flags: > W (write), A (alloc), X (execute), M (merge), S (strings) > I (info), L (link order), G (group), x (unknown) > O (extra OS processing required) o (OS specific), p (processor specific) > > Any help would be nice. > > Thanks, > - David Brown > > -- Eric B Munson IBM Linux Technology Center ebmun...@us.ibm.com
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