Here's a little more info, the end of the output running mythfrontend
under strace:
open("/usr/X11R6/lib/libXmu.so.6", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\270J\0"...,
1024) = 1024
fstat64(3, {st_mode=S_IFREG|0755, st_size=102187, ...}) = 0
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS,
-1, 0) = 0x40c0f000
old_mmap(NULL, 81160, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0x40c10000
mprotect(0x40c23000, 3336, PROT_NONE) = 0
old_mmap(0x40c23000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED,
3, 0x13000) = 0x40c23000
close(3) = 0
open("/usr/X11R6/lib/libICE.so.6", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\0105\0"...,
1024) = 1024
fstat64(3, {st_mode=S_IFREG|0755, st_size=90779, ...}) = 0
old_mmap(NULL, 82512, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0x40c24000
mprotect(0x40c36000, 8784, PROT_NONE) = 0
old_mmap(0x40c36000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED,
3, 0x12000) = 0x40c36000
old_mmap(0x40c37000, 4688, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x40c37000
close(3) = 0
open("/usr/X11R6/lib/libSM.so.6", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\310!\0"...,
1024) = 1024
fstat64(3, {st_mode=S_IFREG|0755, st_size=38226, ...}) = 0
old_mmap(NULL, 30292, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0x40c39000
mprotect(0x40c40000, 1620, PROT_NONE) = 0
old_mmap(0x40c40000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED,
3, 0x7000) = 0x40c40000
close(3) = 0
open("/usr/X11R6/lib/libXrender.so.1", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\300\16"...,
1024) = 1024
fstat64(3, {st_mode=S_IFREG|0755, st_size=21587, ...}) = 0
old_mmap(NULL, 20160, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0x40c41000
mprotect(0x40c45000, 3776, PROT_NONE) = 0
old_mmap(0x40c45000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED,
3, 0x3000) = 0x40c45000
close(3) = 0
open("/usr/lib/libXft.so.2", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\3009\0"...,
1024) = 1024
fstat64(3, {st_mode=S_IFREG|0755, st_size=82333, ...}) = 0
old_mmap(NULL, 72132, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0x40c46000
mprotect(0x40c57000, 2500, PROT_NONE) = 0
old_mmap(0x40c57000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED,
3, 0x10000) = 0x40c57000
close(3) = 0
open("/usr/lib/libfontconfig.so.1", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0p{\0\000"...,
1024) = 1024
fstat64(3, {st_mode=S_IFREG|0755, st_size=178771, ...}) = 0
old_mmap(NULL, 148664, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0x40c58000
mprotect(0x40c79000, 13496, PROT_NONE) = 0
old_mmap(0x40c79000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED,
3, 0x21000) = 0x40c79000
old_mmap(0x40c7c000, 1208, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x40c7c000
close(3) = 0
open("/usr/lib/i686/mmx/libssl.so.2", O_RDONLY) = -1 ENOENT (No such
file or directory)
stat64("/usr/lib/i686/mmx", 0xbfffe830) = -1 ENOENT (No such file or
directory)
open("/usr/lib/i686/libssl.so.2", O_RDONLY) = -1 ENOENT (No such file or
directory)
stat64("/usr/lib/i686", 0xbfffe830) = -1 ENOENT (No such file or
directory)
open("/usr/lib/mmx/libssl.so.2", O_RDONLY) = -1 ENOENT (No such file or
directory)
stat64("/usr/lib/mmx", 0xbfffe830) = -1 ENOENT (No such file or
directory)
open("/usr/lib/libssl.so.2", O_RDONLY) = -1 ENOENT (No such file or
directory)
stat64("/usr/lib", {st_mode=S_IFDIR|0755, st_size=16384, ...}) = 0
open("/lib/libssl.so.2", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\360\220"...,
1024) = 1024
fstat64(3, {st_mode=S_IFREG|0755, st_size=224721, ...}) = 0
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS,
-1, 0) = 0x40c7d000
old_mmap(NULL, 195076, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0x40c7e000
mprotect(0x40cab000, 10756, PROT_NONE) = 0
old_mmap(0x40cab000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED,
3, 0x2d000) = 0x40cab000
close(3) = 0
open("/usr/lib/libcrypto.so.2", O_RDONLY) = -1 ENOENT (No such file or
directory)
open("/lib/libcrypto.so.2", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0p9\2\000"...,
1024) = 1024
fstat64(3, {st_mode=S_IFREG|0755, st_size=995632, ...}) = 0
old_mmap(NULL, 875620, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0x40cae000
mprotect(0x40d75000, 60516, PROT_NONE) = 0
old_mmap(0x40d75000, 49152, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED,
3, 0xc7000) = 0x40d75000
old_mmap(0x40d81000, 11364, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x40d81000
close(3) = 0
open("/usr/lib/libGLcore.so.1", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\220\207"...,
1024) = 1024
fstat64(3, {st_mode=S_IFREG|0755, st_size=4897592, ...}) = 0
old_mmap(NULL, 4912904, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0x40d84000
mprotect(0x4121f000, 83720, PROT_NONE) = 0
old_mmap(0x4121f000, 45056, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED,
3, 0x49a000) = 0x4121f000
old_mmap(0x4122a000, 38664, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x4122a000
close(3) = 0
open("/usr/X11R6/lib/libXt.so.6", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0<\277\0"...,
1024) = 1024
fstat64(3, {st_mode=S_IFREG|0755, st_size=349226, ...}) = 0
old_mmap(NULL, 300676, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0x41234000
mprotect(0x4127a000, 13956, PROT_NONE) = 0
old_mmap(0x4127a000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED,
3, 0x46000) = 0x4127a000
old_mmap(0x4127d000, 1668, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x4127d000
close(3) = 0
open("/usr/lib/libexpat.so.0", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0 \0\000"...,
1024) = 1024
fstat64(3, {st_mode=S_IFREG|0755, st_size=162799, ...}) = 0
old_mmap(NULL, 129568, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0x4127e000
mprotect(0x4129a000, 14880, PROT_NONE) = 0
old_mmap(0x4129a000, 16384, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED,
3, 0x1b000) = 0x4129a000
close(3) = 0
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS,
-1, 0) = 0x4129e000
mprotect(0x40d84000, 4829184, PROT_READ|PROT_WRITE) = 0
--- SIGSEGV (Segmentation fault) ---
+++ killed by SIGSEGV +++
Eni Gma wrote:
> One of my frontend machines which was running MythTV 0.8 perfectly
> until today, will not start mythfrontend any more. It just gives a
> segmentation fault when executed. I recompiled myth (from a newly
> extracted tree) to have DEBUG support and ran it in GDB according to
> the instructions, but it does not seem to give any useful information.
> This problem also occurs with mythbackend and setup. The machine
> seems to be running fine in all other respects. It compiled Myth
> without any problems. Here is a sample session from gdb: