Date: Sat, 26 Jan 2008 22:54:17 +0100 From: Nikolaj Farrell <nixx@freebsd.se> To: freebsd-stable@freebsd.org Subject: ad8: TIMEOUT - WRITE_DMA errors UFS 7.0-RC1 Message-ID: <479BAC09.7040505@freebsd.se>
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After upgrading from RELENG_6_2 to 7.0-RC1 I am experiencing system
becoming unresponsive during intensive disk operations. Only solution is
a power off. These hangs occured pretty much within a few hours of first
running 7.0-RC1. 6.2R was fine. I am not running ZFS.
The hangs are easy to reproduce by an unrar of an archive ~4.4GB. The
system will not hang during "normal" operations.
Below are the errors I get, output from dmesg, atacontrol cap and
smartctl tests. (The long test is aborted below, but as indicated
previously completed without errors)
These are the errors:
---
Jan 26 19:55:36 athlon kernel: ad8: WARNING - SETFEATURES SET TRANSFER
MODE taskqueue timeout - completing request directly
Jan 26 19:55:36 athlon kernel: ad8: WARNING - SETFEATURES ENABLE RCACHE
taskqueue timeout - completing request directly
Jan 26 19:55:36 athlon kernel: ad8: WARNING - SETFEATURES ENABLE WCACHE
taskqueue timeout - completing request directly
Jan 26 19:55:36 athlon kernel: ad8: WARNING - SET_MULTI taskqueue
timeout - completing request directly
Jan 26 19:55:36 athlon kernel: ad8: TIMEOUT - WRITE_DMA retrying (1
retry left) LBA=55552415
Jan 26 19:55:36 athlon kernel: ad8: WARNING - SETFEATURES SET TRANSFER
MODE taskqueue timeout - completing request directly
Jan 26 19:55:36 athlon kernel: ad8: WARNING - SETFEATURES SET TRANSFER
MODE taskqueue timeout - completing request directly
Jan 26 19:55:36 athlon kernel: ad8: WARNING - SETFEATURES ENABLE RCACHE
taskqueue timeout - completing request directly
Jan 26 19:55:36 athlon kernel: ad8: WARNING - SETFEATURES ENABLE WCACHE
taskqueue timeout - completing request directly
Jan 26 19:55:36 athlon kernel: ad8: WARNING - SET_MULTI taskqueue
timeout - completing request directly
Jan 26 19:55:36 athlon kernel: ad8: TIMEOUT - WRITE_DMA retrying (1
retry left) LBA=55552543
---
and so on...
This computer has only the one SATA hard drive.
dmesg info:
atapci1: <VIA 8237A SATA150 controller> port
0xcc00-0xcc07,0xc880-0xc883,0xc800-0xc807,0xc480-0xc483,0xc400-0xc40f,0xc000-0xc0ff
irq 21 at device 15.0 on pci0
atapci1: [ITHREAD]
ata4: <ATA channel 0> on atapci1
ad8: 238475MB <SAMSUNG SP2504C VT100-50> at ata4-master SATA150
---
atacontrol cap ad8
Protocol Serial ATA II
device model SAMSUNG SP2504C
serial number S09QJ1CP201268
firmware revision VT100-50
cylinders 16383
heads 16
sectors/track 63
lba supported 268435455 sectors
lba48 supported 488397168 sectors
dma supported
overlap not supported
Feature Support Enable Value Vendor
write cache yes yes
read ahead yes yes
Native Command Queuing (NCQ) yes - 31/0x1F
Tagged Command Queuing (TCQ) no no 31/0x1F
SMART yes yes
microcode download yes yes
security yes no
power management yes yes
advanced power management no no 0/0x00
automatic acoustic management yes no 0/0x00 254/0xFE
---
smartctl -a /dev/ad8:
=== START OF INFORMATION SECTION ===
Model Family: SAMSUNG SpinPoint P120 series
Device Model: SAMSUNG SP2504C
Serial Number: S09QJ1CP201268
Firmware Version: VT100-50
User Capacity: 250 059 350 016 bytes
Device is: In smartctl database [for details use: -P show]
ATA Version is: 7
ATA Standard is: ATA/ATAPI-7 T13 1532D revision 4a
Local Time is: Sat Jan 26 22:44:43 2008 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: (0x02) Offline data collection activity
was completed without error.
Auto Offline Data Collection:
Disabled.
Self-test execution status: ( 25) The self-test routine was aborted by
the host.
Total time to complete Offline
data collection: (5028) 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: ( 1) minutes.
Extended self-test routine
recommended polling time: ( 83) 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 0x000f 100 100 051 Pre-fail
Always - 42
3 Spin_Up_Time 0x0007 253 253 025 Pre-fail
Always - 5824
4 Start_Stop_Count 0x0032 100 100 000 Old_age
Always - 267
5 Reallocated_Sector_Ct 0x0033 253 253 010 Pre-fail
Always - 0
7 Seek_Error_Rate 0x000f 253 253 051 Pre-fail
Always - 0
8 Seek_Time_Performance 0x0025 253 253 015 Pre-fail
Offline - 0
9 Power_On_Hours 0x0032 100 100 000 Old_age
Always - 1806
10 Spin_Retry_Count 0x0033 253 253 051 Pre-fail
Always - 0
11 Calibration_Retry_Count 0x0012 253 253 000 Old_age
Always - 0
12 Power_Cycle_Count 0x0032 100 100 000 Old_age
Always - 267
187 Unknown_Attribute 0x0032 253 253 000 Old_age Always
- 262144
190 Temperature_Celsius 0x0022 145 124 000 Old_age Always
- 31
194 Temperature_Celsius 0x0022 145 124 000 Old_age Always
- 31
195 Hardware_ECC_Recovered 0x001a 100 100 000 Old_age Always
- 264950591
196 Reallocated_Event_Count 0x0032 253 253 000 Old_age Always
- 0
197 Current_Pending_Sector 0x0012 253 253 000 Old_age Always
- 0
198 Offline_Uncorrectable 0x0030 253 253 000 Old_age
Offline - 0
199 UDMA_CRC_Error_Count 0x003e 200 200 000 Old_age Always
- 0
200 Multi_Zone_Error_Rate 0x000a 100 100 000 Old_age Always
- 0
201 Soft_Read_Error_Rate 0x000a 100 100 000 Old_age Always
- 0
202 TA_Increase_Count 0x0032 253 253 000 Old_age Always
- 0
SMART Error Log Version: 1
No Errors Logged
SMART Self-test log structure revision number 1
Num Test_Description Status Remaining
LifeTime(hours) LBA_of_first_error
# 1 Abort offline test Aborted by host 90% 1806
-
# 2 Extended offline Completed without error 00% 1806
-
# 3 Abort offline test Aborted by host 80% 1804
-
# 4 Short offline Completed without error 00% 57
-
If I have missed some important information, please advise me what you need.
Thank you
Nikolaj
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