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Date: Mon, 28 Oct 2013 23:01:07 +0000
From: bugzilla-daemon@...zilla.kernel.org
To: linux-ext4@...r.kernel.org
Subject: [Bug 63981] Bad: Buffer I/O errors make disk unusable
https://bugzilla.kernel.org/show_bug.cgi?id=63981
--- Comment #2 from Giuseppe Scalzi <scalg1@....ch> ---
(In reply to Theodore Tso from comment #1)
> From the errors listed in the dmesg, looks like it is a hardware problem
> with the SSD, not an ext4 bug.
>
> I'd suggest doing a full backup of your disk while you still can, and try
> replacing the SSD....
That's strange because I bought the laptop two weeks ago and for one week I
used windows and all worked fine. I have this problem since the first day after
installing Linux.
Is it possible to check if there are some hardware errors from smartctl?
=== START OF INFORMATION SECTION ===
Device Model: SAMSUNG MZNTD256HAGL-00000
Serial Number: S15ZNYAD730814
LU WWN Device Id: 5 002538 5000648f8
Firmware Version: DXT2300Q
User Capacity: 256,060,514,304 bytes [256 GB]
Sector Size: 512 bytes logical/physical
Device is: Not in smartctl database [for details use: -P showall]
ATA Version is: 8
ATA Standard is: ATA-8-ACS revision 4c
Local Time is: Mon Oct 28 23:47:51 2013 CET
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: ( 0) The previous self-test routine
completed
without error or no self-test has ever
been run.
Total time to complete Offline
data collection: (53956) seconds.
Offline data collection
capabilities: (0x53) SMART execute Offline immediate.
Auto Offline data collection on/off
support.
Suspend Offline collection upon new
command.
No Offline surface scan supported.
Self-test supported.
No 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: ( 40) minutes.
SCT capabilities: (0x003d) SCT Status supported.
SCT Error Recovery Control supported.
SCT Feature Control supported.
SCT Data Table supported.
SMART Attributes Data Structure revision number: 1
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED
WHEN_FAILED RAW_VALUE
5 Reallocated_Sector_Ct 0x0033 100 100 010 Pre-fail Always
- 0
9 Power_On_Hours 0x0032 099 099 000 Old_age Always
- 118
12 Power_Cycle_Count 0x0032 099 099 000 Old_age Always
- 143
177 Wear_Leveling_Count 0x0013 099 099 000 Pre-fail Always
- 1
179 Used_Rsvd_Blk_Cnt_Tot 0x0013 100 100 010 Pre-fail Always
- 0
181 Program_Fail_Cnt_Total 0x0032 100 100 010 Old_age Always
- 0
182 Erase_Fail_Count_Total 0x0032 100 100 010 Old_age Always
- 0
183 Runtime_Bad_Block 0x0013 100 100 010 Pre-fail Always
- 0
187 Reported_Uncorrect 0x0032 100 100 000 Old_age Always
- 0
190 Airflow_Temperature_Cel 0x0032 061 030 000 Old_age Always
- 39
195 Hardware_ECC_Recovered 0x001a 200 200 000 Old_age Always
- 0
199 UDMA_CRC_Error_Count 0x003e 100 100 000 Old_age Always
- 0
235 Unknown_Attribute 0x0012 099 099 000 Old_age Always
- 52
241 Total_LBAs_Written 0x0032 099 099 000 Old_age Always
- 851312137
SMART Error Log Version: 1
No Errors Logged
SMART Self-test log structure revision number 1
No self-tests have been logged. [To run self-tests, use: smartctl -t]
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
255 0 65535 Read_scanning was never started
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.
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