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    SubjectRe: 2.6.16-rc1-mm2
    Date
    Summarizing all this.  There are two problems here.

    1. reserifs4 panics when it gets io errors - I remember this was an issue that
    needed to be fixed in the R4 code before it moves to mainline...

    2. Why does a drive which is fine with 2.6.15-rc5-mm3, return a -5 with 2.6.16-mm3
    and above? Smart reports no problems with the drive hardware. What has changed
    in the libata/scsi stacks?

    Thanks,
    Ed Tomlinson

    On Saturday 21 January 2006 16:36, Ed Tomlinson wrote:
    > On Saturday 21 January 2006 13:45, Barry K. Nathan wrote:
    > > On 1/21/06, Ed Tomlinson <edt@aei.ca> wrote:
    > > > grover:/var/log# smartctl -i -d ata /dev/sda
    > > [snip]
    > > > grover:/var/log# smartctl -H -d ata /dev/sda
    > > > smartctl version 5.34 [x86_64-unknown-linux-gnu] Copyright (C) 2002-5 Bruce Allen
    > > > Home page is http://smartmontools.sourceforge.net/
    > > >
    > > > === START OF READ SMART DATA SECTION ===
    > > > SMART overall-health self-assessment test result: PASSED
    > > >
    > > > ---
    > > >
    > > > Hope this helps and that I found the correct places to copy the info.
    > >
    > > How about:
    > > smartctl -a -d ata /dev/sdagrover:/poola/home/ed# smartctl -a -d ata /dev/sda
    > smartctl version 5.34 [x86_64-unknown-linux-gnu] Copyright (C) 2002-5 Bruce Allen
    > Home page is http://smartmontools.sourceforge.net/
    >
    > === START OF INFORMATION SECTION ===
    > Device Model: Maxtor 6L250S0
    > Serial Number: L50QDF3H
    > Firmware Version: BACE1G10
    > User Capacity: 251,000,193,024 bytes
    > Device is: Not in smartctl database [for details use: -P showall]
    > ATA Version is: 7
    > ATA Standard is: ATA/ATAPI-7 T13 1532D revision 0
    > Local Time is: Sat Jan 21 16:34:26 2006 EST
    > 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: (0x80) Offline data collection activity
    > was never started.
    > 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: (1922) 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: ( 99) minutes.
    >
    > 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
    > 3 Spin_Up_Time 0x0027 252 252 063 Pre-fail Always - 571
    > 4 Start_Stop_Count 0x0032 253 253 000 Old_age Always - 2
    > 5 Reallocated_Sector_Ct 0x0033 253 253 063 Pre-fail Always - 0
    > 6 Read_Channel_Margin 0x0001 253 253 100 Pre-fail Offline - 0
    > 7 Seek_Error_Rate 0x000a 253 252 000 Old_age Always - 0
    > 8 Seek_Time_Performance 0x0027 250 240 187 Pre-fail Always - 49844
    > 9 Power_On_Hours 0x0032 251 251 000 Old_age Always - 49644
    > 10 Spin_Retry_Count 0x002b 252 252 157 Pre-fail Always - 0
    > 11 Calibration_Retry_Count 0x002b 252 252 223 Pre-fail Always - 0
    > 12 Power_Cycle_Count 0x0032 253 253 000 Old_age Always - 4
    > 192 Power-Off_Retract_Count 0x0032 253 253 000 Old_age Always - 0
    > 193 Load_Cycle_Count 0x0032 253 253 000 Old_age Always - 0
    > 194 Temperature_Celsius 0x0032 028 253 000 Old_age Always - 29
    > 195 Hardware_ECC_Recovered 0x000a 253 252 000 Old_age Always - 8656
    > 196 Reallocated_Event_Count 0x0008 253 253 000 Old_age Offline - 0
    > 197 Current_Pending_Sector 0x0008 253 253 000 Old_age Offline - 0
    > 198 Offline_Uncorrectable 0x0008 253 253 000 Old_age Offline - 0
    > 199 UDMA_CRC_Error_Count 0x0008 199 199 000 Old_age Offline - 0
    > 200 Multi_Zone_Error_Rate 0x000a 253 252 000 Old_age Always - 0
    > 201 Soft_Read_Error_Rate 0x000a 253 252 000 Old_age Always - 1
    > 202 TA_Increase_Count 0x000a 253 252 000 Old_age Always - 0
    > 203 Run_Out_Cancel 0x000b 253 252 180 Pre-fail Always - 0
    > 204 Shock_Count_Write_Opern 0x000a 253 252 000 Old_age Always - 0
    > 205 Shock_Rate_Write_Opern 0x000a 253 252 000 Old_age Always - 0
    > 207 Spin_High_Current 0x002a 252 252 000 Old_age Always - 0
    > 208 Spin_Buzz 0x002a 252 252 000 Old_age Always - 0
    > 209 Offline_Seek_Performnce 0x0024 242 242 000 Old_age Offline - 143
    > 210 Unknown_Attribute 0x0032 253 252 000 Old_age Always - 0
    > 211 Unknown_Attribute 0x0032 253 252 000 Old_age Always - 0
    > 212 Unknown_Attribute 0x0032 253 252 000 Old_age Always - 0
    >
    > 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
    > 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.
    >
    >
    > > or, if that produces too much output, then at least the following two:
    > > smartctl -A -d ata /dev/sda
    > > smartctl -l error -d ata /dev/sda
    > grover:/poola/home/ed# smartctl -l error -d ata /dev/sda
    > smartctl version 5.34 [x86_64-unknown-linux-gnu] Copyright (C) 2002-5 Bruce Allen
    > Home page is http://smartmontools.sourceforge.net/
    >
    > === START OF READ SMART DATA SECTION ===
    > SMART Error Log Version: 1
    > No Errors Logged
    >
    >
    > > That way we might be able to figure out whether the disk
    > > coincidentally started going bad after you updated the kernel.
    >
    > I suspect the newer kernel (or kernels) since when I revert to 15-rc5-mm3 all is well.
    >
    > Thanks,
    > Ed Tomlinson
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