Here's a diff of the objdumps. Looks like different glibc versions as well? < = big, > = small 6c6 < start address 0x0001c810 --- > start address 0x00001480 10,16c10,16 < filesz 0x00119e0c memsz 0x00119e0c flags r-x < LOAD off 0x0011a000 vaddr 0x0011a000 paddr 0x0011a000 align 2**12 < filesz 0x000250c0 memsz 0x0002b90c flags rw- < DYNAMIC off 0x0011a0ec vaddr 0x0011a0ec paddr 0x0011a0ec align 2**2 < filesz 0x000000d0 memsz 0x000000d0 flags rw- < EH_FRAME off 0x001001c8 vaddr 0x001001c8 paddr 0x001001c8 align 2**2 < filesz 0x000052cc memsz 0x000052cc flags r-- --- > filesz 0x0000843c memsz 0x0000843c flags r-x > LOAD off 0x00009000 vaddr 0x00009000 paddr 0x00009000 align 2**12 > filesz 0x000005f0 memsz 0x00000ea4 flags rw- > DYNAMIC off 0x00009018 vaddr 0x00009018 paddr 0x00009018 align 2**2 > filesz 0x000000d8 memsz 0x000000d8 flags rw- > EH_FRAME off 0x00007bac vaddr 0x00007bac paddr 0x00007bac align 2**2 > filesz 0x000001cc memsz 0x000001cc flags r-- 20a21 > NEEDED libpython2.5.so.1.0 24,25c25,26 < INIT 0x18d78 < FINI 0xdf334 --- > INIT 0x1118 > FINI 0x7104 27,29c28,30 < STRTAB 0x75f8 < SYMTAB 0x25a8 < STRSZ 0x5203 --- > STRTAB 0x878 > SYMTAB 0x2a8 > STRSZ 0x383 31,32c32,33 < PLTGOT 0x11a528 < PLTRELSZ 0x1d38 --- > PLTGOT 0x917c > PLTRELSZ 0x1a0 34,36c35,37 < JMPREL 0x17040 < REL 0xd2e8 < RELSZ 0x9d58 --- > JMPREL 0xf78 > REL 0xd18 > RELSZ 0x260 38,41c39,42 < VERNEED 0xd208 < VERNEEDNUM 0x3 < VERSYM 0xc7fc < RELCOUNT 0x11fb --- > VERNEED 0xcb8 > VERNEEDNUM 0x2 > VERSYM 0xbfc > RELCOUNT 0x29 44,46c45,46 < required from libpthread.so.0: < 0x0d696912 0x00 09 GLIBC_2.2 < 0x0d696911 0x00 08 GLIBC_2.1 --- > required from libc.so.6: > 0x09691f73 0x00 05 GLIBC_2.1.3 47a48 > 0x09691974 0x00 03 GLIBC_2.3.4 49,56d49 < 0x0d696910 0x00 03 GLIBC_2.0 < required from libc.so.6: < 0x09691f73 0x00 12 GLIBC_2.1.3 < 0x0d696914 0x00 11 GLIBC_2.4 < 0x0d696913 0x00 10 GLIBC_2.3 < 0x09691974 0x00 07 GLIBC_2.3.4 < 0x0d696912 0x00 06 GLIBC_2.2 < 0x0d696911 0x00 05 GLIBC_2.1 61c54 < 0 .gnu.hash 000024d4 000000d4 000000d4 000000d4 2**2 --- > 0 .gnu.hash 000001d4 000000d4 000000d4 000000d4 2**2 63c56 < 1 .dynsym 00005050 000025a8 000025a8 000025a8 2**2 --- > 1 .dynsym 000005d0 000002a8 000002a8 000002a8 2**2 65c58 < 2 .dynstr 00005203 000075f8 000075f8 000075f8 2**0 --- > 2 .dynstr 00000383 00000878 00000878 00000878 2**0 67c60 < 3 .gnu.version 00000a0a 0000c7fc 0000c7fc 0000c7fc 2**1 --- > 3 .gnu.version 000000ba 00000bfc 00000bfc 00000bfc 2**1 69c62 < 4 .gnu.version_r 000000e0 0000d208 0000d208 0000d208 2**2 --- > 4 .gnu.version_r 00000060 00000cb8 00000cb8 00000cb8 2**2 71c64 < 5 .rel.dyn 00009d58 0000d2e8 0000d2e8 0000d2e8 2**2 --- > 5 .rel.dyn 00000260 00000d18 00000d18 00000d18 2**2 73c66 < 6 .rel.plt 00001d38 00017040 00017040 00017040 2**2 --- > 6 .rel.plt 000001a0 00000f78 00000f78 00000f78 2**2 75c68 < 7 .init 00000017 00018d78 00018d78 00018d78 2**2 --- > 7 .init 00000017 00001118 00001118 00001118 2**2 77c70 < 8 .plt 00003a80 00018d90 00018d90 00018d90 2**2 --- > 8 .plt 00000350 00001130 00001130 00001130 2**2 79c72 < 9 .text 000c2b24 0001c810 0001c810 0001c810 2**4 --- > 9 .text 00005c84 00001480 00001480 00001480 2**4 81c74 < 10 .fini 0000001c 000df334 000df334 000df334 2**2 --- > 10 .fini 0000001c 00007104 00007104 00007104 2**2 83c76 < 11 .rodata 00020e68 000df360 000df360 000df360 2**5 --- > 11 .rodata 00000a8a 00007120 00007120 00007120 2**5 85c78 < 12 .eh_frame_hdr 000052cc 001001c8 001001c8 001001c8 2**2 --- > 12 .eh_frame_hdr 000001cc 00007bac 00007bac 00007bac 2**2 87c80 < 13 .eh_frame 00014978 00105494 00105494 00105494 2**2 --- > 13 .eh_frame 000006c4 00007d78 00007d78 00007d78 2**2 89c82 < 14 .ctors 00000008 0011a000 0011a000 0011a000 2**2 --- > 14 .ctors 00000008 00009000 00009000 00009000 2**2 91c84 < 15 .dtors 00000008 0011a008 0011a008 0011a008 2**2 --- > 15 .dtors 00000008 00009008 00009008 00009008 2**2 93c86 < 16 .jcr 00000004 0011a010 0011a010 0011a010 2**2 --- > 16 .jcr 00000004 00009010 00009010 00009010 2**2 95c88 < 17 .data.rel.ro 000000cc 0011a020 0011a020 0011a020 2**5 --- > 17 .data.rel.ro 00000004 00009014 00009014 00009014 2**2 97c90 < 18 .dynamic 000000d0 0011a0ec 0011a0ec 0011a0ec 2**2 --- > 18 .dynamic 000000d8 00009018 00009018 00009018 2**2 99c92 < 19 .got 0000036c 0011a1bc 0011a1bc 0011a1bc 2**2 --- > 19 .got 0000008c 000090f0 000090f0 000090f0 2**2 101c94 < 20 .got.plt 00000ea8 0011a528 0011a528 0011a528 2**2 --- > 20 .got.plt 000000dc 0000917c 0000917c 0000917c 2**2 103c96 < 21 .data 00023ce0 0011b3e0 0011b3e0 0011b3e0 2**5 --- > 21 .data 00000390 00009260 00009260 00009260 2**5 105c98 < 22 .bss 0000684c 0013f0c0 0013f0c0 0013f0c0 2**5 --- > 22 .bss 000008a4 00009600 00009600 000095f0 2**5 107c100 < 23 .gnu_debuglink 00000018 00000000 00000000 0013f0c0 2**2 --- > 23 .gnu_debuglink 00000018 00000000 00000000 000095f0 2**2 -- Orion Poplawski Technical Manager 303-415-9701 x222 NWRA/CoRA Division FAX: 303-415-9702 3380 Mitchell Lane orion@xxxxxxxxxxxxx Boulder, CO 80301 http://www.cora.nwra.com -- 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