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strace on wonky mount problem

nrnrnr
Sep 13th, 2011
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  1. execve("/bin/mount", ["mount", "-v", "-t", "vfat", "-o", "uid=32074,gid=6202", "/dev/sde2", "/mnt"], [/* 18 vars */]) = 0
  2. brk(0) = 0x8cd4000
  3. access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
  4. mmap2(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb77ca000
  5. access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
  6. open("/etc/ld.so.cache", O_RDONLY) = 3
  7. fstat64(3, {st_mode=S_IFREG|0644, st_size=128075, ...}) = 0
  8. mmap2(NULL, 128075, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb77aa000
  9. close(3) = 0
  10. access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
  11. open("/lib/libblkid.so.1", O_RDONLY) = 3
  12. read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\0009\0\0004\0\0\0"..., 512) = 512
  13. fstat64(3, {st_mode=S_IFREG|0644, st_size=110452, ...}) = 0
  14. mmap2(NULL, 113224, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb778e000
  15. mmap2(0xb77a8000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x19) = 0xb77a8000
  16. close(3) = 0
  17. access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
  18. open("/lib/libuuid.so.1", O_RDONLY) = 3
  19. read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0@\20\0\0004\0\0\0"..., 512) = 512
  20. fstat64(3, {st_mode=S_IFREG|0644, st_size=13276, ...}) = 0
  21. mmap2(NULL, 15948, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb778a000
  22. mmap2(0xb778d000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2) = 0xb778d000
  23. close(3) = 0
  24. access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
  25. open("/lib/libselinux.so.1", O_RDONLY) = 3
  26. read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\0J\0\0004\0\0\0"..., 512) = 512
  27. fstat64(3, {st_mode=S_IFREG|0644, st_size=104276, ...}) = 0
  28. mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7789000
  29. mmap2(NULL, 109564, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb776e000
  30. mmap2(0xb7787000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x18) = 0xb7787000
  31. close(3) = 0
  32. access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
  33. open("/lib/libsepol.so.1", O_RDONLY) = 3
  34. read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0 6\0\0004\0\0\0"..., 512) = 512
  35. fstat64(3, {st_mode=S_IFREG|0644, st_size=215520, ...}) = 0
  36. mmap2(NULL, 215744, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7739000
  37. mmap2(0xb776d000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x34) = 0xb776d000
  38. close(3) = 0
  39. access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
  40. open("/lib/i686/cmov/libc.so.6", O_RDONLY) = 3
  41. read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\320m\1\0004\0\0\0"..., 512) = 512
  42. fstat64(3, {st_mode=S_IFREG|0755, st_size=1323460, ...}) = 0
  43. mmap2(NULL, 1333608, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb75f3000
  44. mmap2(0xb7733000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x13f) = 0xb7733000
  45. mmap2(0xb7736000, 10600, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb7736000
  46. close(3) = 0
  47. access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
  48. open("/lib/i686/cmov/libdl.so.2", O_RDONLY) = 3
  49. read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0@\n\0\0004\0\0\0"..., 512) = 512
  50. fstat64(3, {st_mode=S_IFREG|0644, st_size=9736, ...}) = 0
  51. mmap2(NULL, 12408, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb75ef000
  52. mmap2(0xb75f1000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1) = 0xb75f1000
  53. close(3) = 0
  54. mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb75ee000
  55. mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb75ed000
  56. set_thread_area({entry_number:-1 -> 6, base_addr:0xb75ed750, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0, useable:1}) = 0
  57. mprotect(0xb75f1000, 4096, PROT_READ) = 0
  58. mprotect(0xb7733000, 8192, PROT_READ) = 0
  59. mprotect(0xb7787000, 4096, PROT_READ) = 0
  60. mprotect(0xb77e8000, 4096, PROT_READ) = 0
  61. munmap(0xb77aa000, 128075) = 0
  62. statfs64("/selinux", 84, {f_type=0x58465342, f_bsize=4096, f_blocks=487607808, f_bfree=3634105, f_bavail=3634105, f_files=61409936, f_ffree=58152265, f_fsid={65024, 0}, f_namelen=255, f_frsize=4096}) = 0
  63. brk(0) = 0x8cd4000
  64. brk(0x8cf5000) = 0x8cf5000
  65. open("/proc/filesystems", O_RDONLY|O_LARGEFILE) = 3
  66. fstat64(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
  67. mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb77c9000
  68. read(3, "nodev\tsysfs\nnodev\trootfs\nnodev\tb"..., 1024) = 389
  69. read(3, "", 1024) = 0
  70. close(3) = 0
  71. munmap(0xb77c9000, 4096) = 0
  72. umask(022) = 022
  73. open("/dev/null", O_RDWR|O_LARGEFILE) = 3
  74. close(3) = 0
  75. getuid32() = 0
  76. geteuid32() = 0
  77. readlink("/dev", 0xbfba77df, 4096) = -1 EINVAL (Invalid argument)
  78. readlink("/dev/sde2", 0xbfba77df, 4096) = -1 EINVAL (Invalid argument)
  79. stat64("/sbin/mount.vfat", 0xbfba85b4) = -1 ENOENT (No such file or directory)
  80. rt_sigprocmask(SIG_BLOCK, ~[TRAP SEGV RTMIN RT_1], NULL, 8) = 0
  81. stat64("/sbin/mount.vfat", 0xbfba8584) = -1 ENOENT (No such file or directory)
  82. mount("/dev/sde2", "/mnt", "vfat", MS_MGC_VAL, "uid=32074,gid=6202") = 0
  83. readlink("/dev", 0xbfba761f, 4096) = -1 EINVAL (Invalid argument)
  84. readlink("/dev/sde2", 0xbfba761f, 4096) = -1 EINVAL (Invalid argument)
  85. readlink("/mnt", 0xbfba761f, 4096) = -1 EINVAL (Invalid argument)
  86. fstat64(1, {st_mode=S_IFSOCK|0200, st_size=0, ...}) = 0
  87. mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb77c9000
  88. lstat64("/etc/mtab", {st_mode=S_IFREG|0644, st_size=1126, ...}) = 0
  89. open("/etc/mtab", O_RDWR|O_CREAT|O_LARGEFILE, 0644) = 3
  90. close(3) = 0
  91. rt_sigaction(SIGHUP, {0x804f1f0, ~[RTMIN RT_1], 0}, NULL, 8) = 0
  92. rt_sigaction(SIGINT, {0x804f1f0, ~[RTMIN RT_1], 0}, NULL, 8) = 0
  93. rt_sigaction(SIGQUIT, {0x804f1f0, ~[RTMIN RT_1], 0}, NULL, 8) = 0
  94. rt_sigaction(SIGILL, {0x804f1f0, ~[RTMIN RT_1], 0}, NULL, 8) = 0
  95. rt_sigaction(SIGTRAP, {0x804f1f0, ~[RTMIN RT_1], 0}, NULL, 8) = 0
  96. rt_sigaction(SIGABRT, {0x804f1f0, ~[RTMIN RT_1], 0}, NULL, 8) = 0
  97. rt_sigaction(SIGBUS, {0x804f1f0, ~[RTMIN RT_1], 0}, NULL, 8) = 0
  98. rt_sigaction(SIGFPE, {0x804f1f0, ~[RTMIN RT_1], 0}, NULL, 8) = 0
  99. rt_sigaction(SIGKILL, {0x804f1f0, ~[RTMIN RT_1], 0}, NULL, 8) = -1 EINVAL (Invalid argument)
  100. rt_sigaction(SIGUSR1, {0x804f1f0, ~[RTMIN RT_1], 0}, NULL, 8) = 0
  101. rt_sigaction(SIGSEGV, {0x804f1f0, ~[RTMIN RT_1], 0}, NULL, 8) = 0
  102. rt_sigaction(SIGUSR2, {0x804f1f0, ~[RTMIN RT_1], 0}, NULL, 8) = 0
  103. rt_sigaction(SIGPIPE, {0x804f1f0, ~[RTMIN RT_1], 0}, NULL, 8) = 0
  104. rt_sigaction(SIGALRM, {0x804e7d0, ~[RTMIN RT_1], 0}, NULL, 8) = 0
  105. rt_sigaction(SIGTERM, {0x804f1f0, ~[RTMIN RT_1], 0}, NULL, 8) = 0
  106. rt_sigaction(SIGSTKFLT, {0x804f1f0, ~[RTMIN RT_1], 0}, NULL, 8) = 0
  107. getpid() = 438
  108. open("/etc/mtab~438", O_WRONLY|O_CREAT|O_LARGEFILE, 0600) = 3
  109. close(3) = 0
  110. gettimeofday({1315974721, 687042}, NULL) = 0
  111. link("/etc/mtab~438", "/etc/mtab~") = 0
  112. open("/etc/mtab~", O_WRONLY|O_LARGEFILE) = 3
  113. fcntl64(3, F_SETLK64, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0}, 0xbfba8610) = 0
  114. unlink("/etc/mtab~438") = 0
  115. umask(077) = 022
  116. open("/etc/mtab", O_RDWR|O_CREAT|O_APPEND|O_LARGEFILE, 0666) = 4
  117. umask(022) = 077
  118. fstat64(4, {st_mode=S_IFREG|0644, st_size=1126, ...}) = 0
  119. mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb77c8000
  120. fstat64(4, {st_mode=S_IFREG|0644, st_size=1126, ...}) = 0
  121. _llseek(4, 0, [0], SEEK_SET) = 0
  122. read(4, "/dev/mapper/homedog-hostroot / x"..., 1126) = 1126
  123. write(4, "/dev/sde2 /mnt vfat rw,uid=32074"..., 46) = 46
  124. close(4) = 0
  125. munmap(0xb77c8000, 4096) = 0
  126. close(3) = 0
  127. unlink("/etc/mtab~") = 0
  128. rt_sigprocmask(SIG_UNBLOCK, ~[TRAP SEGV RTMIN RT_1], NULL, 8) = 0
  129. open("/proc/filesystems", O_RDONLY|O_LARGEFILE) = 3
  130. fstat64(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
  131. mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb77c8000
  132. read(3, "nodev\tsysfs\nnodev\trootfs\nnodev\tb"..., 1024) = 389
  133. read(3, "", 1024) = 0
  134. close(3) = 0
  135. munmap(0xb77c8000, 4096) = 0
  136. write(1, "/dev/sde2 on /mnt type vfat (rw,"..., 52/dev/sde2 on /mnt type vfat (rw,uid=32074,gid=6202)
  137. ) = 52
  138. exit_group(0) = ?
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