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peetaur

btrfs dead root fs #2

peetaur
Jul 28th, 2012
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  1. linux:/mnt # mount -v -t btrfs /dev/sda3 root
  2. mount: wrong fs type, bad option, bad superblock on /dev/sda3,
  3. missing codepage or helper program, or other error
  4. In some cases useful info is found in syslog - try
  5. dmesg | tail or so
  6.  
  7.  
  8. dmesg
  9. --------
  10. [ 3873.356349] btrfs: open_ctree failed
  11. [ 3888.323419] device fsid 1e74b3ab-ee49-4741-9efb-ef1759459aa7 devid 1 transid 20299 /dev/sda3
  12. [ 3888.341594] parent transid verify failed on 903557120 wanted 20299 found 20300
  13. [ 3888.341600] parent transid verify failed on 903557120 wanted 20299 found 20300
  14. [ 3888.341605] parent transid verify failed on 903557120 wanted 20299 found 20300
  15. [ 3888.342026] btrfs: open_ctree failed
  16.  
  17.  
  18. messages
  19. --------
  20. Jul 28 12:12:12 linux kernel: [ 3888.323419] device fsid 1e74b3ab-ee49-4741-9efb-ef1759459aa7 devid 1 transid 20299 /dev/sda3
  21. Jul 28 12:12:12 linux kernel: [ 3888.341594] parent transid verify failed on 903557120 wanted 20299 found 20300
  22. Jul 28 12:12:12 linux kernel: [ 3888.341600] parent transid verify failed on 903557120 wanted 20299 found 20300
  23. Jul 28 12:12:12 linux kernel: [ 3888.341605] parent transid verify failed on 903557120 wanted 20299 found 20300
  24. Jul 28 12:12:12 linux kernel: [ 3888.342026] btrfs: open_ctree failed
  25.  
  26. =====================================
  27.  
  28. linux:/mnt # btrfs-zero-log /dev/sda3
  29. parent transid verify failed on 903557120 wanted 20299 found 20300
  30. parent transid verify failed on 903557120 wanted 20299 found 20300
  31. parent transid verify failed on 903557120 wanted 20299 found 20300
  32. parent transid verify failed on 903557120 wanted 20299 found 20300
  33. Ignoring transid failure
  34. Couldn't setup extent tree
  35. Segmentation fault
  36.  
  37.  
  38. messages
  39. --------
  40. Jul 28 12:16:43 linux kernel: [ 4159.041198] btrfs-zero-log[4765] general protection ip:41407e sp:7fff5f8a07e0 error:0 in btrfs-zero-log[400000+23000]
  41. Jul 28 12:16:43 linux dbus-daemon[2325]: **** CHANGING /sys/devices/pci0000:00/0000:00:11.0/host0/target0:0:0/0:0:0:0/block/sda/sda3
  42. Jul 28 12:16:43 linux dbus-daemon[2325]: **** UPDATING /sys/devices/pci0000:00/0000:00:11.0/host0/target0:0:0/0:0:0:0/block/sda/sda3
  43. Jul 28 12:16:43 linux dbus-daemon[2325]: **** EMITTING CHANGED for /sys/devices/pci0000:00/0000:00:11.0/host0/target0:0:0/0:0:0:0/block/sda/sda3
  44. Jul 28 12:16:43 linux dbus-daemon[2325]: **** CHANGED /sys/devices/pci0000:00/0000:00:11.0/host0/target0:0:0/0:0:0:0/block/sda/sda3
  45.  
  46. dmesg
  47. -----
  48. [ 4159.041198] btrfs-zero-log[4765] general protection ip:41407e sp:7fff5f8a07e0 error:0 in btrfs-zero-log[400000+23000]
  49.  
  50.  
  51. ===========
  52.  
  53. dmesg not sure what caused this. 01:00.0 is the video card
  54.  
  55. [ 4186.743095] AMD-Vi: Event logged [IO_PAGE_FAULT device=01:00.0 domain=0x0018 address=0x00000000d8000000 flags=0x0010]
  56. [ 4186.743111] AMD-Vi: Event logged [IO_PAGE_FAULT device=01:00.0 domain=0x0018 address=0x00000000d8000000 flags=0x0010]
  57. [ 4186.743122] AMD-Vi: Event logged [IO_PAGE_FAULT device=01:00.0 domain=0x0018 address=0x00000000d8000040 flags=0x0010]
  58. [ 4186.743132] AMD-Vi: Event logged [IO_PAGE_FAULT device=01:00.0 domain=0x0018 address=0x00000000d8000040 flags=0x0010]
  59. [ 4186.743141] AMD-Vi: Event logged [IO_PAGE_FAULT device=01:00.0 domain=0x0018 address=0x00000000d8000080 flags=0x0010]
  60. [ 4186.743150] AMD-Vi: Event logged [IO_PAGE_FAULT device=01:00.0 domain=0x0018 address=0x00000000d8000080 flags=0x0010]
  61. [ 4186.743159] AMD-Vi: Event logged [IO_PAGE_FAULT device=01:00.0 domain=0x0018 address=0x00000000d80000c0 flags=0x0010]
  62. [ 4186.743169] AMD-Vi: Event logged [IO_PAGE_FAULT device=01:00.0 domain=0x0018 address=0x00000000d80000c0 flags=0x0010]
  63. [ 4186.743178] AMD-Vi: Event logged [IO_PAGE_FAULT device=01:00.0 domain=0x0018 address=0x00000000d8000100 flags=0x0010]
  64. [ 4186.743187] AMD-Vi: Event logged [IO_PAGE_FAULT device=01:00.0 domain=0x0018 address=0x00000000d8000100 flags=0x0010]
  65. [ 4186.743196] AMD-Vi: Event logged [IO_PAGE_FAULT device=01:00.0 domain=0x0018 address=0x00000000d8000140 flags=0x0010]
  66. [ 4186.743206] AMD-Vi: Event logged [IO_PAGE_FAULT device=01:00.0 domain=0x0018 address=0x00000000d8000140 flags=0x0010]
  67. [ 4186.743215] AMD-Vi: Event logged [IO_PAGE_FAULT device=01:00.0 domain=0x0018 address=0x00000000d8000180 flags=0x0010]
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