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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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