Help debugging DMA_READ errors

Wilko Bulte wb at freebie.xs4all.nl
Tue Sep 16 18:45:43 UTC 2008


Quoting Clint Olsen, who wrote on Tue, Sep 16, 2008 at 11:19:03AM -0700 ..
> Hi Jeremy:
> 
> Thanks for your detailed response.  Here are the answers I have thus far:
> 
> On Sep 16, Jeremy Chadwick wrote:
> > acd0 is a CD/DVD drive.  ad4 is a hard disk.  What exactly were you
> > doing with the system at the time these errors appeared?  Were you using
> > the CD/DVD drive?  Was there a disc in the drive that was mounted?
> > If none of these things, I'm baffled as to what would read acd0 and
> > cause what you see here.
> 
> I was not at the system at the time.  I never have had a disk in the drive
> nor is /cdrom mounted currently.  I have dump backups that run in the
> middle of the night on the various filesystems.


Taking a long shot:  you do not have cooling issues of the drives maybe?


Wilko



>  
> > Can you please provide full details of what these disks are connected
> > to?  I'd like to see dmesg output for ata0, ata2, and ata3, as well as
> > the atapci devices those ataX devices are attached to, ditto with
> > vmstat -i output.  Are there any other errors in your logs around
> > that time (e.g. watchdog timeouts of any kind on network devices, etc.?)
>  
> # dmesg | grep -i ata
> atapci0: <Intel ICH5 UDMA100 controller> port 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xfc00-0xfc0f at device 31.1 on pci0
> ata0: <ATA channel 0> on atapci0
> ata1: <ATA channel 1> on atapci0
> atapci1: <Intel ICH5 SATA150 controller> port 0xeff0-0xeff7,0xefe4-0xefe7,0xefa8-0xefaf,0xefe0-0xefe3,0xef60-0xef6f irq 18 at device 31.2 on pci0
> ata2: <ATA channel 0> on atapci1
> ata3: <ATA channel 1> on atapci1
> 
> I skipped the disks, of course.
> 
> > Additionally, it would be very useful if you could install
> > ports/sysutils/smartmontools and provide the following output:
> > 
> > # smartctl -a /dev/ad0
> > # smartctl -a /dev/ad4
>  
> See attached.
> 
> > http://wiki.freebsd.org/JeremyChadwick/ATA_issues_and_troubleshooting
> > 
> > The bottom line is that, if the problems you're seeing are the "same
> > thing" others are seeing, then you are not alone.  As I said initially,
> > finding the source of these problems is difficult, and they are often
> > "unique" to each individual's machine.  For some, replacing cables, the
> > entire motherboard, disk controller, or just the PSU helped; for others, 
> > the problem disappeared on its own; in other cases, the problem was
> > so severe that they ended up switching to Linux.
> 
> I'll take a look at this page.
> 
> Thanks,
> 
> -Clint
> 
> -- 
> This message has been scanned for viruses and
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> 

> smartctl version 5.38 [i386-portbld-freebsd6.3] Copyright (C) 2002-8 Bruce Allen
> Home page is http://smartmontools.sourceforge.net/
> 
> === START OF INFORMATION SECTION ===
> Model Family:     Western Digital Caviar SE family
> Device Model:     WDC WD1200JB-32EVA0
> Serial Number:    WD-WMAEL1302890
> Firmware Version: 15.05R15
> User Capacity:    120,034,123,776 bytes
> Device is:        In smartctl database [for details use: -P show]
> ATA Version is:   6
> ATA Standard is:  Exact ATA specification draft version not indicated
> Local Time is:    Tue Sep 16 11:11:04 2008 PDT
> 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: 		 (3801) seconds.
> Offline data collection
> capabilities: 			 (0x79) SMART execute Offline immediate.
> 					No Auto Offline data collection 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.
> 					No General Purpose Logging support.
> Short self-test routine 
> recommended polling time: 	 (   2) minutes.
> Extended self-test routine
> recommended polling time: 	 (  53) minutes.
> Conveyance self-test routine
> recommended polling time: 	 (   5) 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
>   1 Raw_Read_Error_Rate     0x000b   200   200   051    Pre-fail  Always       -       0
>   3 Spin_Up_Time            0x0007   162   148   021    Pre-fail  Always       -       2433
>   4 Start_Stop_Count        0x0032   100   100   040    Old_age   Always       -       79
>   5 Reallocated_Sector_Ct   0x0033   199   199   140    Pre-fail  Always       -       7
>   7 Seek_Error_Rate         0x000b   100   253   051    Pre-fail  Always       -       0
>   9 Power_On_Hours          0x0032   042   042   000    Old_age   Always       -       42740
>  10 Spin_Retry_Count        0x0013   100   253   051    Pre-fail  Always       -       0
>  11 Calibration_Retry_Count 0x0013   100   253   051    Pre-fail  Always       -       0
>  12 Power_Cycle_Count       0x0032   100   100   000    Old_age   Always       -       79
> 194 Temperature_Celsius     0x0022   111   253   000    Old_age   Always       -       39
> 196 Reallocated_Event_Count 0x0032   193   193   000    Old_age   Always       -       7
> 197 Current_Pending_Sector  0x0012   200   200   000    Old_age   Always       -       0
> 198 Offline_Uncorrectable   0x0012   200   200   000    Old_age   Always       -       0
> 199 UDMA_CRC_Error_Count    0x000a   200   253   000    Old_age   Always       -       0
> 200 Multi_Zone_Error_Rate   0x0009   200   155   051    Pre-fail  Offline      -       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.
> 

> smartctl version 5.38 [i386-portbld-freebsd6.3] Copyright (C) 2002-8 Bruce Allen
> Home page is http://smartmontools.sourceforge.net/
> 
> === START OF INFORMATION SECTION ===
> Model Family:     Western Digital Caviar SE Serial ATA family
> Device Model:     WDC WD1200JD-00GBB0
> Serial Number:    WD-WMAET1326141
> Firmware Version: 02.05D02
> User Capacity:    120,034,123,776 bytes
> Device is:        In smartctl database [for details use: -P show]
> ATA Version is:   6
> ATA Standard is:  Exact ATA specification draft version not indicated
> Local Time is:    Tue Sep 16 11:11:17 2008 PDT
> 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: 		 (3801) seconds.
> Offline data collection
> capabilities: 			 (0x79) SMART execute Offline immediate.
> 					No Auto Offline data collection 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.
> 					No General Purpose Logging support.
> Short self-test routine 
> recommended polling time: 	 (   2) minutes.
> Extended self-test routine
> recommended polling time: 	 (  53) minutes.
> Conveyance self-test routine
> recommended polling time: 	 (   5) 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
>   1 Raw_Read_Error_Rate     0x000b   200   200   051    Pre-fail  Always       -       0
>   3 Spin_Up_Time            0x0007   160   139   021    Pre-fail  Always       -       2508
>   4 Start_Stop_Count        0x0032   100   100   040    Old_age   Always       -       55
>   5 Reallocated_Sector_Ct   0x0033   200   200   140    Pre-fail  Always       -       0
>   7 Seek_Error_Rate         0x000b   200   200   051    Pre-fail  Always       -       0
>   9 Power_On_Hours          0x0032   051   051   000    Old_age   Always       -       36471
>  10 Spin_Retry_Count        0x0013   100   253   051    Pre-fail  Always       -       0
>  11 Calibration_Retry_Count 0x0013   100   253   051    Pre-fail  Always       -       0
>  12 Power_Cycle_Count       0x0032   100   100   000    Old_age   Always       -       55
> 194 Temperature_Celsius     0x0022   104   253   000    Old_age   Always       -       46
> 196 Reallocated_Event_Count 0x0032   200   200   000    Old_age   Always       -       0
> 197 Current_Pending_Sector  0x0012   200   200   000    Old_age   Always       -       0
> 198 Offline_Uncorrectable   0x0012   200   200   000    Old_age   Always       -       0
> 199 UDMA_CRC_Error_Count    0x000a   200   253   000    Old_age   Always       -       2
> 200 Multi_Zone_Error_Rate   0x0009   200   155   051    Pre-fail  Offline      -       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.
> 

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