Festplattenproblem: Puffer-E / A-Fehler bei dev

Eines meiner verschlüsselten Laufwerke (LUKS + cryptsetup) ext4 scheint beim Anzeigen von dmesg / syslog merkwürdige Fehler zu geben:

https://pastebin.com/RZdJK2qg

Und ich kann nicht ls hinein (aber ich kann cd hinein)

Wenn ich jedoch Badblocks ausführte, wurden 0 Fehler gefunden. Der kurze Test von smartctl ergab keine Fehler:

=== START OF INFORMATION SECTION === Model Family: Western Digital Red Device Model: WDC WD30EFRX-68EUZN0 Serial Number: WD-WMC4N0M4P6WH LU WWN Device Id: 5 0014ee 20cfa3693 Firmware Version: 82.00A82 User Capacity: 3,000,592,982,016 bytes [3.00 TB] Sector Sizes: 512 bytes logical, 4096 bytes physical Rotation Rate: 5400 rpm Device is: In smartctl database [for details use: -P show] ATA Version is: ACS-2 (minor revision not indicated) SATA Version is: SATA 3.0, 6.0 Gb/s (current: 6.0 Gb/s) Local Time is: Mon Nov 5 07:49:11 2018 UTC SMART support is: Available - device has SMART capability. SMART support is: Enabled  === START OF READ SMART DATA SECTION === SMART overall-health self-assessment test result: PASSED  General SMART Values: Offline data collection status: (0x00) Offline data collection activity was never started. Auto Offline Data Collection: Disabled. Self-test execution status: ( 248) Self-test routine in progress... 80% of test remaining. Total time to complete Offline data collection: (39060) seconds. Offline data collection capabilities: (0x7b) SMART execute Offline immediate. Auto Offline data collection on/off support. Suspend Offline collection upon new command. Offline surface scan supported. Self-test supported. Conveyance Self-test supported. Selective Self-test supported. SMART capabilities: (0x0003) Saves SMART data before entering power-saving mode. Supports SMART auto save timer. Error logging capability: (0x01) Error logging supported. General Purpose Logging supported. Short self-test routine recommended polling time: ( 2) minutes. Extended self-test routine recommended polling time: ( 392) minutes. Conveyance self-test routine recommended polling time: ( 5) minutes. SCT capabilities: (0x703d) SCT Status supported. SCT Error Recovery Control supported. SCT Feature Control supported. SCT Data Table supported.  SMART Attributes Data Structure revision number: 16 Vendor Specific SMART Attributes with Thresholds: ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE 1 Raw_Read_Error_Rate 0x002f 200 200 051 Pre-fail Always - 0 3 Spin_Up_Time 0x0027 217 181 021 Pre-fail Always - 4133 4 Start_Stop_Count 0x0032 100 100 000 Old_age Always - 50 5 Reallocated_Sector_Ct 0x0033 200 200 140 Pre-fail Always - 0 7 Seek_Error_Rate 0x002e 200 200 000 Old_age Always - 0 9 Power_On_Hours 0x0032 069 069 000 Old_age Always - 22665 10 Spin_Retry_Count 0x0032 100 253 000 Old_age Always - 0 11 Calibration_Retry_Count 0x0032 100 253 000 Old_age Always - 0 12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 50 192 Power-Off_Retract_Count 0x0032 200 200 000 Old_age Always - 47 193 Load_Cycle_Count 0x0032 196 196 000 Old_age Always - 12280 194 Temperature_Celsius 0x0022 115 110 000 Old_age Always - 35 196 Reallocated_Event_Count 0x0032 200 200 000 Old_age Always - 0 197 Current_Pending_Sector 0x0032 200 200 000 Old_age Always - 0 198 Offline_Uncorrectable 0x0030 100 253 000 Old_age Offline - 0 199 UDMA_CRC_Error_Count 0x0032 200 200 000 Old_age Always - 0 200 Multi_Zone_Error_Rate 0x0008 100 253 000 Old_age Offline - 0  SMART Error Log Version: 1 No Errors Logged  SMART Self-test log structure revision number 1 Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error # 1 Short offline Completed without error 00% 22665 - # 2 Short offline Completed without error 00% 22626 -  SMART Selective self-test log data structure revision number 1 SPAN MIN_LBA MAX_LBA CURRENT_TEST_STATUS 1 0 0 Not_testing 2 0 0 Not_testing 3 0 0 Not_testing 4 0 0 Not_testing 5 0 0 Not_testing Selective self-test flags (0x0): After scanning selected spans, do NOT read-scan remainder of disk. If Selective self-test is pending on power-up, resume after 0 minute delay. 

Und es gibt keine anderen Superblöcke gemäß dumpe2fs.