[Bug 1394716] [NEW] empty files (zero bytes)

Saddy sadmail at gmx.de
Thu Nov 20 18:48:29 UTC 2014 

Public bug reported:

After a year of usage or so many files on my encrypted hdd are now empty
(zero bytes). Since there are many of them in different (random) folders
I'm pretty sure I did not empty them myself accidently. SMART values of
the drive seem o.k. (5 months usage).  I notived that when there are
empty files, then the whole directory is affected, so all files in this
dir are empty. If you need further details please let me know.

=== START OF READ SMART DATA SECTION ===
SMART Attributes Data Structure revision number: 10
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE
  1 Raw_Read_Error_Rate     0x000f   113   099   006    Pre-fail  Always       -       56966640
  3 Spin_Up_Time            0x0003   094   094   000    Pre-fail  Always       -       0
  4 Start_Stop_Count        0x0032   100   100   020    Old_age   Always       -       672
  5 Reallocated_Sector_Ct   0x0033   100   100   036    Pre-fail  Always       -       0
  7 Seek_Error_Rate         0x000f   067   060   030    Pre-fail  Always       -       6142791
  9 Power_On_Hours          0x0032   097   097   000    Old_age   Always       -       3451
 10 Spin_Retry_Count        0x0013   100   100   097    Pre-fail  Always       -       0
 12 Power_Cycle_Count       0x0032   100   100   020    Old_age   Always       -       671
183 Runtime_Bad_Block       0x0032   100   100   000    Old_age   Always       -       0
184 End-to-End_Error        0x0032   100   100   099    Old_age   Always       -       0
187 Reported_Uncorrect      0x0032   007   007   000    Old_age   Always       -       93
188 Command_Timeout         0x0032   100   100   000    Old_age   Always       -       0 0 0
189 High_Fly_Writes         0x003a   100   100   000    Old_age   Always       -       0
190 Airflow_Temperature_Cel 0x0022   070   060   045    Old_age   Always       -       30 (Min/Max 21/30)
191 G-Sense_Error_Rate      0x0032   100   100   000    Old_age   Always       -       0
192 Power-Off_Retract_Count 0x0032   100   100   000    Old_age   Always       -       10
193 Load_Cycle_Count        0x0032   100   100   000    Old_age   Always       -       867
194 Temperature_Celsius     0x0022   030   040   000    Old_age   Always       -       30 (0 16 0 0 0)
197 Current_Pending_Sector  0x0012   100   100   000    Old_age   Always       -       0
198 Offline_Uncorrectable   0x0010   100   100   000    Old_age   Offline      -       0
199 UDMA_CRC_Error_Count    0x003e   200   200   000    Old_age   Always       -       0
240 Head_Flying_Hours       0x0000   100   253   000    Old_age   Offline      -       3494h+16m+40.778s
241 Total_LBAs_Written      0x0000   100   253   000    Old_age   Offline      -       37713646382758
242 Total_LBAs_Read         0x0000   100   253   000    Old_age   Offline      -       81502538966889

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: cryptsetup 2:1.6.1-1ubuntu1
ProcVersionSignature: Ubuntu 3.13.0-39.66-generic 3.13.11.8
Uname: Linux 3.13.0-39-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3.5
Architecture: amd64
CurrentDesktop: Unity
Date: Thu Nov 20 19:34:21 2014
InstallationDate: Installed on 2014-05-19 (184 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
SourcePackage: cryptsetup
UpgradeStatus: No upgrade log present (probably fresh install)
crypttab: # <target name>	<source device>		<key file>	<options>

** Affects: cryptsetup (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug trusty

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https://bugs.launchpad.net/bugs/1394716

Title:
  empty files (zero bytes)

Status in “cryptsetup” package in Ubuntu:
  New

Bug description:
  After a year of usage or so many files on my encrypted hdd are now
  empty (zero bytes). Since there are many of them in different (random)
  folders I'm pretty sure I did not empty them myself accidently. SMART
  values of the drive seem o.k. (5 months usage).  I notived that when
  there are empty files, then the whole directory is affected, so all
  files in this dir are empty. If you need further details please let me
  know.

  === START OF READ SMART DATA SECTION ===
  SMART Attributes Data Structure revision number: 10
  Vendor Specific SMART Attributes with Thresholds:
  ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE
    1 Raw_Read_Error_Rate     0x000f   113   099   006    Pre-fail  Always       -       56966640
    3 Spin_Up_Time            0x0003   094   094   000    Pre-fail  Always       -       0
    4 Start_Stop_Count        0x0032   100   100   020    Old_age   Always       -       672
    5 Reallocated_Sector_Ct   0x0033   100   100   036    Pre-fail  Always       -       0
    7 Seek_Error_Rate         0x000f   067   060   030    Pre-fail  Always       -       6142791
    9 Power_On_Hours          0x0032   097   097   000    Old_age   Always       -       3451
   10 Spin_Retry_Count        0x0013   100   100   097    Pre-fail  Always       -       0
   12 Power_Cycle_Count       0x0032   100   100   020    Old_age   Always       -       671
  183 Runtime_Bad_Block       0x0032   100   100   000    Old_age   Always       -       0
  184 End-to-End_Error        0x0032   100   100   099    Old_age   Always       -       0
  187 Reported_Uncorrect      0x0032   007   007   000    Old_age   Always       -       93
  188 Command_Timeout         0x0032   100   100   000    Old_age   Always       -       0 0 0
  189 High_Fly_Writes         0x003a   100   100   000    Old_age   Always       -       0
  190 Airflow_Temperature_Cel 0x0022   070   060   045    Old_age   Always       -       30 (Min/Max 21/30)
  191 G-Sense_Error_Rate      0x0032   100   100   000    Old_age   Always       -       0
  192 Power-Off_Retract_Count 0x0032   100   100   000    Old_age   Always       -       10
  193 Load_Cycle_Count        0x0032   100   100   000    Old_age   Always       -       867
  194 Temperature_Celsius     0x0022   030   040   000    Old_age   Always       -       30 (0 16 0 0 0)
  197 Current_Pending_Sector  0x0012   100   100   000    Old_age   Always       -       0
  198 Offline_Uncorrectable   0x0010   100   100   000    Old_age   Offline      -       0
  199 UDMA_CRC_Error_Count    0x003e   200   200   000    Old_age   Always       -       0
  240 Head_Flying_Hours       0x0000   100   253   000    Old_age   Offline      -       3494h+16m+40.778s
  241 Total_LBAs_Written      0x0000   100   253   000    Old_age   Offline      -       37713646382758
  242 Total_LBAs_Read         0x0000   100   253   000    Old_age   Offline      -       81502538966889

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: cryptsetup 2:1.6.1-1ubuntu1
  ProcVersionSignature: Ubuntu 3.13.0-39.66-generic 3.13.11.8
  Uname: Linux 3.13.0-39-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.1-0ubuntu3.5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Thu Nov 20 19:34:21 2014
  InstallationDate: Installed on 2014-05-19 (184 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  SourcePackage: cryptsetup
  UpgradeStatus: No upgrade log present (probably fresh install)
  crypttab: # <target name>	<source device>		<key file>	<options>

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