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    SubjectRe: git pull on linux-next makes my system crawl to its knees and beg for mercy
    On Fri, Dec 18, 2009 at 9:38 AM, Bartlomiej Zolnierkiewicz
    <bzolnier@gmail.com> wrote:
    > On Friday 18 December 2009 06:26:29 pm Luis R. Rodriguez wrote:
    >
    >> on my kernel logs. Bewildered with this issue I set out to prove to
    >> myself this issue was not a 2.6.32 issue and booted other kernels,
    >> including Ubuntu's distro kernel on 2.6.31 and then later my own built
    >> fresh 2.6.27.41 kernel. The issue was reproducible on all three
    >> kernels!
    >>
    >> This lead me to believe this was a system / hard drive issue and
    >> embraced myself for a system fix. I yet needed to prove this was
    >
    > Just some hints for ruling out the system / hard drive problem.
    >
    > smartctl -a /dev/sdx is your friend for checking your disk (keep an eye
    > on anything suspicious like re-allocated sector count going up etc.)

    Sweet thanks, here's my current output, I'll try later after I get
    some day work done to pull linux-next and make it moan. Let me know if
    you see anything fishy.

    smartctl version 5.38 [x86_64-unknown-linux-gnu] Copyright (C) 2002-8
    Bruce Allen
    Home page is http://smartmontools.sourceforge.net/

    === START OF INFORMATION SECTION ===
    Device Model: HITACHI HTS722010K9SA00
    Serial Number: 080109DP0210DPG8DUEP
    Firmware Version: DC2ZC75A
    User Capacity: 100,030,242,816 bytes
    Device is: Not in smartctl database [for details use: -P showall]
    ATA Version is: 8
    ATA Standard is: ATA-8-ACS revision 3f
    Local Time is: Fri Dec 18 11:16:12 2009 PST
    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: (0x82) Offline data collection activity
    was completed without error.
    Auto Offline Data Collection: Enabled.
    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: ( 645) seconds.
    Offline data collection
    capabilities: (0x5b) SMART execute Offline immediate.
    Auto Offline data collection on/off support.
    Suspend Offline collection upon new
    command.
    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: ( 39) minutes.
    SCT capabilities: (0x003d) SCT Status 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 0x000b 100 100 062 Pre-fail
    Always - 0
    2 Throughput_Performance 0x0005 116 116 040 Pre-fail
    Offline - 3380
    3 Spin_Up_Time 0x0007 253 253 033 Pre-fail
    Always - 0
    4 Start_Stop_Count 0x0012 098 098 000 Old_age
    Always - 3314
    5 Reallocated_Sector_Ct 0x0033 100 100 005 Pre-fail
    Always - 0
    7 Seek_Error_Rate 0x000b 100 100 067 Pre-fail
    Always - 0
    8 Seek_Time_Performance 0x0005 128 128 040 Pre-fail
    Offline - 29
    9 Power_On_Hours 0x0012 081 081 000 Old_age
    Always - 8401
    10 Spin_Retry_Count 0x0013 100 100 060 Pre-fail
    Always - 0
    12 Power_Cycle_Count 0x0032 100 100 000 Old_age
    Always - 1571
    191 G-Sense_Error_Rate 0x000a 100 100 000 Old_age
    Always - 65536
    192 Power-Off_Retract_Count 0x0032 100 100 000 Old_age
    Always - 3932351
    193 Load_Cycle_Count 0x0012 045 045 000 Old_age
    Always - 559592
    194 Temperature_Celsius 0x0002 134 134 000 Old_age
    Always - 41 (Lifetime Min/Max 13/48)
    196 Reallocated_Event_Count 0x0032 100 100 000 Old_age
    Always - 0
    197 Current_Pending_Sector 0x0022 100 100 000 Old_age
    Always - 0
    198 Offline_Uncorrectable 0x0008 100 100 000 Old_age
    Offline - 0
    199 UDMA_CRC_Error_Count 0x000a 200 200 000 Old_age
    Always - 0
    223 Load_Retry_Count 0x000a 100 100 000 Old_age
    Always - 0

    SMART Error Log Version: 1
    ATA Error Count: 8 (device log contains only the most recent five errors)
    CR = Command Register [HEX]
    FR = Features Register [HEX]
    SC = Sector Count Register [HEX]
    SN = Sector Number Register [HEX]
    CL = Cylinder Low Register [HEX]
    CH = Cylinder High Register [HEX]
    DH = Device/Head Register [HEX]
    DC = Device Command Register [HEX]
    ER = Error register [HEX]
    ST = Status register [HEX]
    Powered_Up_Time is measured from power on, and printed as
    DDd+hh:mm:SS.sss where DD=days, hh=hours, mm=minutes,
    SS=sec, and sss=millisec. It "wraps" after 49.710 days.

    Error 8 occurred at disk power-on lifetime: 0 hours (0 days + 0 hours)
    When the command that caused the error occurred, the device was
    active or idle.

    After command completion occurred, registers were:
    ER ST SC SN CL CH DH
    -- -- -- -- -- -- --
    10 51 01 9f 45 a5 e0 Error: IDNF at LBA = 0x00a5459f = 10831263

    Commands leading to the command that caused the error were:
    CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name
    -- -- -- -- -- -- -- -- ---------------- --------------------
    24 ff 01 9f 45 a5 e0 00 00:04:06.200 READ SECTOR(S) EXT
    25 ff 01 9f 45 a5 e0 00 00:04:06.100 READ DMA EXT
    34 ff 01 00 00 00 e0 00 00:04:04.100 WRITE SECTORS(S) EXT
    25 ff 01 00 00 00 e0 00 00:04:04.100 READ DMA EXT
    25 ff 01 c0 17 fa e0 00 00:04:04.100 READ DMA EXT

    Error 7 occurred at disk power-on lifetime: 0 hours (0 days + 0 hours)
    When the command that caused the error occurred, the device was
    active or idle.

    After command completion occurred, registers were:
    ER ST SC SN CL CH DH
    -- -- -- -- -- -- --
    10 51 01 9f 45 a5 e0 Error: IDNF 1 sectors at LBA = 0x00a5459f = 10831263

    Commands leading to the command that caused the error were:
    CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name
    -- -- -- -- -- -- -- -- ---------------- --------------------
    25 ff 01 9f 45 a5 e0 00 00:04:06.100 READ DMA EXT
    34 ff 01 00 00 00 e0 00 00:04:04.100 WRITE SECTORS(S) EXT
    25 ff 01 00 00 00 e0 00 00:04:04.100 READ DMA EXT
    25 ff 01 c0 17 fa e0 00 00:04:04.100 READ DMA EXT
    25 ff 01 3f 00 00 e0 00 00:04:04.100 READ DMA EXT

    Error 6 occurred at disk power-on lifetime: 0 hours (0 days + 0 hours)
    When the command that caused the error occurred, the device was
    active or idle.

    After command completion occurred, registers were:
    ER ST SC SN CL CH DH
    -- -- -- -- -- -- --
    10 51 01 9f 45 a5 e0 Error: IDNF at LBA = 0x00a5459f = 10831263

    Commands leading to the command that caused the error were:
    CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name
    -- -- -- -- -- -- -- -- ---------------- --------------------
    24 ff 01 9f 45 a5 e0 00 00:04:04.000 READ SECTOR(S) EXT
    25 ff 01 9f 45 a5 e0 00 00:04:04.000 READ DMA EXT
    34 ff 01 00 00 00 e0 00 00:04:02.000 WRITE SECTORS(S) EXT
    35 ff 01 cf 17 fa e0 00 00:04:02.000 WRITE DMA EXT
    35 ff 01 ce 17 fa e0 00 00:04:02.000 WRITE DMA EXT

    Error 5 occurred at disk power-on lifetime: 0 hours (0 days + 0 hours)
    When the command that caused the error occurred, the device was
    active or idle.

    After command completion occurred, registers were:
    ER ST SC SN CL CH DH
    -- -- -- -- -- -- --
    10 51 01 9f 45 a5 e0 Error: IDNF 1 sectors at LBA = 0x00a5459f = 10831263

    Commands leading to the command that caused the error were:
    CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name
    -- -- -- -- -- -- -- -- ---------------- --------------------
    25 ff 01 9f 45 a5 e0 00 00:04:04.000 READ DMA EXT
    34 ff 01 00 00 00 e0 00 00:04:02.000 WRITE SECTORS(S) EXT
    35 ff 01 cf 17 fa e0 00 00:04:02.000 WRITE DMA EXT
    35 ff 01 ce 17 fa e0 00 00:04:02.000 WRITE DMA EXT
    35 ff 01 cd 17 fa e0 00 00:04:02.000 WRITE DMA EXT

    Error 4 occurred at disk power-on lifetime: 0 hours (0 days + 0 hours)
    When the command that caused the error occurred, the device was
    active or idle.

    After command completion occurred, registers were:
    ER ST SC SN CL CH DH
    -- -- -- -- -- -- --
    10 51 01 9f 45 a5 e0 Error: IDNF at LBA = 0x00a5459f = 10831263

    Commands leading to the command that caused the error were:
    CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name
    -- -- -- -- -- -- -- -- ---------------- --------------------
    24 ff 01 9f 45 a5 e0 00 00:04:01.900 READ SECTOR(S) EXT
    25 ff 01 9f 45 a5 e0 00 00:04:01.800 READ DMA EXT
    34 ff 01 00 00 00 e0 00 00:03:59.900 WRITE SECTORS(S) EXT
    35 ff 01 4e 00 00 e0 00 00:03:59.900 WRITE DMA EXT
    35 ff 01 4d 00 00 e0 00 00:03:59.900 WRITE DMA EXT

    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
    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.

    Also available at:

    http://bombadil.infradead.org/~mcgrof/logs/2009/12/smart-ctl-sda2.txt

    > It could be also fs related issue that shows up only under specific
    > conditions

    OK -- I see, I used a fresh new ext3, did not make the jump to ext4.

    > (i.e. almost full partition -- some file-systems starts to
    > crawl when the amount of available free space gets low).

    Got it, thanks, so partition has a lot of room.

    mcgrof@tux ~ $ df -h
    Filesystem Size Used Avail Use% Mounted on
    /dev/sda2 91G 43G 44G 50% /

    Also ony have one partition.

    Luis


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