Failure with the ADC.setup() file.

strace.log

1086  execve("/usr/bin/python", ["python", "adctest1.py"], [/* 18 vars */]) = 0
1086  brk(NULL)                         = 0x22c0000
1086  uname({sysname="Linux", nodename="beaglebone", ...}) = 0
1086  access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
1086  mmap2(NULL, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb6fe9000
1086  access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
1086  open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
1086  fstat64(3, {st_mode=S_IFREG|0644, st_size=35228, ...}) = 0
1086  mmap2(NULL, 35228, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb6fe0000
1086  close(3)                          = 0
1086  access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
1086  open("/lib/arm-linux-gnueabihf/libpthread.so.0", O_RDONLY|O_CLOEXEC) = 3
1086  read(3, "\177ELF\1\1\1\3\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0\345F\0\0004\0\0\0"..., 512) = 512
1086  lseek(3, 105412, SEEK_SET)        = 105412
1086  read(3, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 1560) = 1560
1086  lseek(3, 70056, SEEK_SET)         = 70056
1086  read(3, "A2\0\0\0aeabi\0\1(\0\0\0\0057-A\0\6\n\7A\10\1\t\2\n\4\22"..., 51) = 51
1086  fstat64(3, {st_mode=S_IFREG|0755, st_size=106972, ...}) = 0
1086  mmap2(NULL, 143952, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb6fa1000
1086  mprotect(0xb6fb2000, 61440, PROT_NONE) = 0
1086  mmap2(0xb6fc1000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x10000) = 0xb6fc1000
1086  mmap2(0xb6fc3000, 4688, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb6fc3000
1086  close(3)                          = 0
1086  access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
1086  open("/lib/arm-linux-gnueabihf/libdl.so.2", O_RDONLY|O_CLOEXEC) = 3
1086  read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0`\t\0\0004\0\0\0"..., 512) = 512
1086  lseek(3, 8684, SEEK_SET)          = 8684
1086  read(3, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 1120) = 1120
1086  lseek(3, 8328, SEEK_SET)          = 8328
1086  read(3, "A2\0\0\0aeabi\0\1(\0\0\0\0057-A\0\6\n\7A\10\1\t\2\n\4\22"..., 51) = 51
1086  fstat64(3, {st_mode=S_IFREG|0644, st_size=9804, ...}) = 0
1086  mmap2(NULL, 73912, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb6f8e000
1086  mprotect(0xb6f90000, 61440, PROT_NONE) = 0
1086  mmap2(0xb6f9f000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1000) = 0xb6f9f000
1086  close(3)                          = 0
1086  access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
1086  open("/lib/arm-linux-gnueabihf/libutil.so.1", O_RDONLY|O_CLOEXEC) = 3
1086  read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0\24\n\0\0004\0\0\0"..., 512) = 512
1086  lseek(3, 8720, SEEK_SET)          = 8720
1086  read(3, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 1120) = 1120
1086  lseek(3, 8364, SEEK_SET)          = 8364
1086  read(3, "A2\0\0\0aeabi\0\1(\0\0\0\0057-A\0\6\n\7A\10\1\t\2\n\4\22"..., 51) = 51
1086  fstat64(3, {st_mode=S_IFREG|0644, st_size=9840, ...}) = 0
1086  mmap2(NULL, 73904, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb6f7b000
1086  mprotect(0xb6f7d000, 61440, PROT_NONE) = 0
1086  mmap2(0xb6f8c000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1000) = 0xb6f8c000
1086  close(3)                          = 0
1086  access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
1086  open("/lib/arm-linux-gnueabihf/libexpat.so.1", O_RDONLY|O_CLOEXEC) = 3
-UU-:----F1  strace.log     Top L1     (Fundamental) ------------------------------------------------------------------------------------------------------------------------------------------------