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[Bug 1417751] [NEW] Frequent hard-drive writes, perhaps 2 every second.

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Tchalvak <tchalvakspam@xxxxxxxxx>
Date: Tue, 03 Feb 2015 20:33:37 -0000
Reply-to: Bug 1417751 <1417751@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
*** This bug is a duplicate of bug 607560 ***
    https://bugs.launchpad.net/bugs/607560

Public bug reported:

Recently multiple hard-drive writes started happening on a continuous
basis, even while my desktop is just sitting idle and not in use.
Running "sudo iotop" gives frequent writes multiple times a second
(perhaps 2 per second on average).

Running "sudo iotop -obtqqq" for 30 seconds or so gives the following
frequent offenders:

15:13:33 13270 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.39 % [kworker/u8:0]
15:13:33   150 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.19 % [kworker/u8:3]
15:13:33 31926 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.11 % [kworker/u8:4]
15:13:35   169 be/3 root        0.00 B/s   30.67 K/s  0.00 %  4.31 % [jbd2/sda1-8]
15:13:35   150 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.37 % [kworker/u8:3]
15:13:35 31926 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.18 % [kworker/u8:4]
15:13:35 13270 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.11 % [kworker/u8:0]
15:13:35   680 be/3 root        0.00 B/s    0.00 B/s  0.00 %  0.04 % [jbd2/sda5-8]
15:13:35 10342 be/4 kzqai       3.83 K/s   15.34 K/s  0.00 %  0.01 % af026e00-abd5-11e4-af1a-d485646cd9a4?field.title=package+postgres-xc+%28not+installed%29+failed+to+install%2Fupgrade%3A+subprocess+installed+pre-removal+script+returned+error+exit+status+1 [Chrome_CacheThr]
15:13:36   680 be/3 root        0.00 B/s    7.65 K/s  0.00 %  4.04 % [jbd2/sda5-8]
15:13:37   680 be/3 root        0.00 B/s    0.00 B/s  0.00 %  5.05 % [jbd2/sda5-8]
15:13:37 13270 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.37 % [kworker/u8:0]
15:13:37 31926 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.18 % [kworker/u8:4]
15:13:37   150 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.11 % [kworker/u8:3]
15:13:37 10339 be/4 kzqai       0.00 B/s   80.50 K/s  0.00 %  0.05 % af026e00-abd5-11e4-af1a-d485646cd9a4?field.title=package+postgres-xc+%28not+installed%29+failed+to+install%2Fupgrade%3A+subprocess+installed+pre-removal+script+returned+error+exit+status+1 [Chrome_FileThre]
15:13:37 10342 be/4 kzqai       0.00 B/s   26.83 K/s  0.00 %  0.00 % af026e00-abd5-11e4-af1a-d485646cd9a4?field.title=package+postgres-xc+%28not+installed%29+failed+to+install%2Fupgrade%3A+subprocess+installed+pre-removal+script+returned+error+exit+status+1 [Chrome_CacheThr]
15:13:38 10342 be/4 kzqai       0.00 B/s    3.83 K/s  0.00 %  0.00 % af026e00-abd5-11e4-af1a-d485646cd9a4?field.title=package+postgres-xc+%28not+installed%29+failed+to+install%2Fupgrade%3A+subprocess+installed+pre-removal+script+returned+error+exit+status+1 [Chrome_CacheThr]
15:13:39   150 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.38 % [kworker/u8:3]
15:13:39 31926 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.19 % [kworker/u8:4]
15:13:39 13270 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.12 % [kworker/u8:0]
15:13:41 13270 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.37 % [kworker/u8:0]
15:13:41 31926 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.19 % [kworker/u8:4]
15:13:41   150 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.11 % [kworker/u8:3]
15:13:42   680 be/3 root        0.00 B/s   11.55 K/s  0.00 %  2.79 % [jbd2/sda5-8]
15:13:43   150 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.36 % [kworker/u8:3]
15:13:43 31926 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.18 % [kworker/u8:4]
15:13:43 13270 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.11 % [kworker/u8:0]
15:13:45 13270 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.36 % [kworker/u8:0]
15:13:45 31926 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.18 % [kworker/u8:4]
15:13:45   150 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.11 % [kworker/u8:3]
15:13:45 10342 be/4 kzqai       3.84 K/s    7.69 K/s  0.00 %  0.01 % af026e00-abd5-11e4-af1a-d485646cd9a4?field.title=package+postgres-xc+%28not+installed%29+failed+to+install%2Fupgrade%3A+subprocess+installed+pre-removal+script+returned+error+exit+status+1 [Chrome_CacheThr]
15:13:46   680 be/3 root        0.00 B/s    3.82 K/s  0.00 %  3.01 % [jbd2/sda5-8]
15:13:46 10337 be/4 kzqai       0.00 B/s   26.75 K/s  0.00 %  0.14 % af026e00-abd5-11e4-af1a-d485646cd9a4?field.title=package+postgres-xc+%28not+installed%29+failed+to+install%2Fupgrade%3A+subprocess+installed+pre-removal+script+returned+error+exit+status+1 [BrowserBlocking]
15:13:47   150 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.36 % [kworker/u8:3]
15:13:47 31926 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.18 % [kworker/u8:4]
15:13:47 13270 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.11 % [kworker/u8:0]
15:13:47 10339 be/4 kzqai       0.00 B/s    3.84 K/s  0.00 %  0.00 % af026e00-abd5-11e4-af1a-d485646cd9a4?field.title=package+postgres-xc+%28not+installed%29+failed+to+install%2Fupgrade%3A+subprocess+installed+pre-removal+script+returned+error+exit+status+1 [Chrome_FileThre]
15:13:47 10342 be/4 kzqai       0.00 B/s   11.52 K/s  0.00 %  0.00 % af026e00-abd5-11e4-af1a-d485646cd9a4?field.title=package+postgres-xc+%28not+installed%29+failed+to+install%2Fupgrade%3A+subprocess+installed+pre-removal+script+returned+error+exit+status+1 [Chrome_CacheThr]
15:13:49 10342 be/4 kzqai       3.83 K/s    7.67 K/s  0.00 %  1.35 % af026e00-abd5-11e4-af1a-d485646cd9a4?field.title=package+postgres-xc+%28not+installed%29+failed+to+install%2Fupgrade%3A+subprocess+installed+pre-removal+script+returned+error+exit+status+1 [Chrome_CacheThr]
15:13:49  1669 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.08 % X -core :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
15:13:50 31926 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.38 % [kworker/u8:4]
15:13:50 13270 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.19 % [kworker/u8:0]
15:13:50   150 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.11 % [kworker/u8:3]
15:13:51 15759 be/4 kzqai       0.00 B/s   11.50 K/s  0.00 %  0.00 % gnome-terminal
15:13:52   169 be/3 root        0.00 B/s   19.17 K/s  0.00 %  4.29 % [jbd2/sda1-8]
15:13:52   150 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.38 % [kworker/u8:3]
15:13:52 13270 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.18 % [kworker/u8:0]
15:13:52 31926 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.11 % [kworker/u8:4]
15:13:53   680 be/3 root        0.00 B/s    0.00 B/s  0.00 %  5.10 % [jbd2/sda5-8]
15:13:53 15759 be/4 kzqai       0.00 B/s    3.83 K/s  0.00 %  0.00 % gnome-terminal
15:13:54   680 be/3 root        0.00 B/s    0.00 B/s  0.00 %  4.66 % [jbd2/sda5-8]
15:13:54 31926 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.36 % [kworker/u8:4]
15:13:54 13270 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.18 % [kworker/u8:0]
15:13:54 10365 be/4 kzqai       0.00 B/s  258.09 K/s  0.00 %  0.13 % af026e00-abd5-11e4-af1a-d485646cd9a4?field.title=package+postgres-xc+%28not+installed%29+failed+to+install%2Fupgrade%3A+subprocess+installed+pre-removal+script+returned+error+exit+status+1 [BrowserBlocking]
15:13:54   150 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.11 % [kworker/u8:3]
15:13:55  1306 be/4 postgres    0.00 B/s   19.22 K/s  0.00 %  0.00 % postgres: stats collector process
15:13:56   150 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.37 % [kworker/u8:3]
15:13:56 13270 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.19 % [kworker/u8:0]
15:13:56 31926 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.11 % [kworker/u8:4]
15:13:57   680 be/3 root        0.00 B/s    3.83 K/s  0.00 %  4.09 % [jbd2/sda5-8]
15:13:57 10339 be/4 kzqai       0.00 B/s   80.49 K/s  0.00 %  0.05 % af026e00-abd5-11e4-af1a-d485646cd9a4?field.title=package+postgres-xc+%28not+installed%29+failed+to+install%2Fupgrade%3A+subprocess+installed+pre-removal+script+returned+error+exit+status+1 [Chrome_FileThre]
15:13:57 10342 be/4 kzqai       3.83 K/s   15.33 K/s  0.00 %  0.02 % af026e00-abd5-11e4-af1a-d485646cd9a4?field.title=package+postgres-xc+%28not+installed%29+failed+to+install%2Fupgrade%3A+subprocess+installed+pre-removal+script+returned+error+exit+status+1 [Chrome_CacheThr]
15:13:58   169 be/3 root        0.00 B/s   26.82 K/s  0.00 %  3.46 % [jbd2/sda1-8]
15:13:58 13270 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.38 % [kworker/u8:0]
15:13:58   150 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.20 % [kworker/u8:3]
15:13:58 31926 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.11 % [kworker/u8:4]

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-45-generic 3.13.0-45.74
ProcVersionSignature: Ubuntu 3.13.0-45.74-generic 3.13.11-ckt13
Uname: Linux 3.13.0-45-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.6
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  kzqai      5499 F.... pulseaudio
                      kzqai     14786 F.... pulseaudio
CurrentDesktop: Unity
Date: Tue Feb  3 15:00:00 2015
HibernationDevice: RESUME=UUID=a4f1b47d-1d75-41f5-a59f-27bfdd225cd3
InstallationDate: Installed on 2012-09-04 (881 days ago)
InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120823.1)
IwConfig:
 eth0      no wireless extensions.

 lo        no wireless extensions.
MachineType: LENOVO IdeaCentre K410
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-45-generic root=UUID=2e00a86e-6f61-4f49-9a4d-0b577855efa9 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-3.13.0-45-generic N/A
 linux-backports-modules-3.13.0-45-generic  N/A
 linux-firmware                             1.127.11
RfKill:

SourcePackage: linux
UpgradeStatus: Upgraded to trusty on 2014-12-01 (64 days ago)
dmi.bios.date: 04/06/2012
dmi.bios.vendor: LENOVO
dmi.bios.version: ECKT16A
dmi.board.name: MAHOBAY
dmi.board.vendor: LENOVO
dmi.board.version: To be filled by O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias: dmi:bvnLENOVO:bvrECKT16A:bd04/06/2012:svnLENOVO:pnIdeaCentreK410:pvrLenovoProduct:rvnLENOVO:rnMAHOBAY:rvrTobefilledbyO.E.M.:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: IdeaCentre K410
dmi.product.version: Lenovo Product
dmi.sys.vendor: LENOVO

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug hard-drive-writes third-party-packages trusty

** Description changed:

  Recently multiple hard-drive writes started happening on a continuous
  basis, even while my desktop is just sitting idle and not in use.
  Running "sudo iotop" gives frequent writes multiple times a second
  (perhaps 2 per second on average).
  
- Running "sudo iotop -obtqqq" gives the following frequent offenders:
+ Running "sudo iotop -obtqqq" for 30 seconds or so gives the following
+ frequent offenders:
  
  15:13:33 13270 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.39 % [kworker/u8:0]
  15:13:33   150 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.19 % [kworker/u8:3]
  15:13:33 31926 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.11 % [kworker/u8:4]
  15:13:35   169 be/3 root        0.00 B/s   30.67 K/s  0.00 %  4.31 % [jbd2/sda1-8]
  15:13:35   150 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.37 % [kworker/u8:3]
  15:13:35 31926 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.18 % [kworker/u8:4]
  15:13:35 13270 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.11 % [kworker/u8:0]
  15:13:35   680 be/3 root        0.00 B/s    0.00 B/s  0.00 %  0.04 % [jbd2/sda5-8]
  15:13:35 10342 be/4 kzqai       3.83 K/s   15.34 K/s  0.00 %  0.01 % af026e00-abd5-11e4-af1a-d485646cd9a4?field.title=package+postgres-xc+%28not+installed%29+failed+to+install%2Fupgrade%3A+subprocess+installed+pre-removal+script+returned+error+exit+status+1 [Chrome_CacheThr]
  15:13:36   680 be/3 root        0.00 B/s    7.65 K/s  0.00 %  4.04 % [jbd2/sda5-8]
  15:13:37   680 be/3 root        0.00 B/s    0.00 B/s  0.00 %  5.05 % [jbd2/sda5-8]
  15:13:37 13270 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.37 % [kworker/u8:0]
  15:13:37 31926 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.18 % [kworker/u8:4]
  15:13:37   150 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.11 % [kworker/u8:3]
  15:13:37 10339 be/4 kzqai       0.00 B/s   80.50 K/s  0.00 %  0.05 % af026e00-abd5-11e4-af1a-d485646cd9a4?field.title=package+postgres-xc+%28not+installed%29+failed+to+install%2Fupgrade%3A+subprocess+installed+pre-removal+script+returned+error+exit+status+1 [Chrome_FileThre]
  15:13:37 10342 be/4 kzqai       0.00 B/s   26.83 K/s  0.00 %  0.00 % af026e00-abd5-11e4-af1a-d485646cd9a4?field.title=package+postgres-xc+%28not+installed%29+failed+to+install%2Fupgrade%3A+subprocess+installed+pre-removal+script+returned+error+exit+status+1 [Chrome_CacheThr]
  15:13:38 10342 be/4 kzqai       0.00 B/s    3.83 K/s  0.00 %  0.00 % af026e00-abd5-11e4-af1a-d485646cd9a4?field.title=package+postgres-xc+%28not+installed%29+failed+to+install%2Fupgrade%3A+subprocess+installed+pre-removal+script+returned+error+exit+status+1 [Chrome_CacheThr]
  15:13:39   150 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.38 % [kworker/u8:3]
  15:13:39 31926 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.19 % [kworker/u8:4]
  15:13:39 13270 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.12 % [kworker/u8:0]
  15:13:41 13270 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.37 % [kworker/u8:0]
  15:13:41 31926 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.19 % [kworker/u8:4]
  15:13:41   150 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.11 % [kworker/u8:3]
  15:13:42   680 be/3 root        0.00 B/s   11.55 K/s  0.00 %  2.79 % [jbd2/sda5-8]
  15:13:43   150 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.36 % [kworker/u8:3]
  15:13:43 31926 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.18 % [kworker/u8:4]
  15:13:43 13270 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.11 % [kworker/u8:0]
  15:13:45 13270 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.36 % [kworker/u8:0]
  15:13:45 31926 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.18 % [kworker/u8:4]
  15:13:45   150 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.11 % [kworker/u8:3]
  15:13:45 10342 be/4 kzqai       3.84 K/s    7.69 K/s  0.00 %  0.01 % af026e00-abd5-11e4-af1a-d485646cd9a4?field.title=package+postgres-xc+%28not+installed%29+failed+to+install%2Fupgrade%3A+subprocess+installed+pre-removal+script+returned+error+exit+status+1 [Chrome_CacheThr]
  15:13:46   680 be/3 root        0.00 B/s    3.82 K/s  0.00 %  3.01 % [jbd2/sda5-8]
  15:13:46 10337 be/4 kzqai       0.00 B/s   26.75 K/s  0.00 %  0.14 % af026e00-abd5-11e4-af1a-d485646cd9a4?field.title=package+postgres-xc+%28not+installed%29+failed+to+install%2Fupgrade%3A+subprocess+installed+pre-removal+script+returned+error+exit+status+1 [BrowserBlocking]
  15:13:47   150 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.36 % [kworker/u8:3]
  15:13:47 31926 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.18 % [kworker/u8:4]
  15:13:47 13270 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.11 % [kworker/u8:0]
  15:13:47 10339 be/4 kzqai       0.00 B/s    3.84 K/s  0.00 %  0.00 % af026e00-abd5-11e4-af1a-d485646cd9a4?field.title=package+postgres-xc+%28not+installed%29+failed+to+install%2Fupgrade%3A+subprocess+installed+pre-removal+script+returned+error+exit+status+1 [Chrome_FileThre]
  15:13:47 10342 be/4 kzqai       0.00 B/s   11.52 K/s  0.00 %  0.00 % af026e00-abd5-11e4-af1a-d485646cd9a4?field.title=package+postgres-xc+%28not+installed%29+failed+to+install%2Fupgrade%3A+subprocess+installed+pre-removal+script+returned+error+exit+status+1 [Chrome_CacheThr]
  15:13:49 10342 be/4 kzqai       3.83 K/s    7.67 K/s  0.00 %  1.35 % af026e00-abd5-11e4-af1a-d485646cd9a4?field.title=package+postgres-xc+%28not+installed%29+failed+to+install%2Fupgrade%3A+subprocess+installed+pre-removal+script+returned+error+exit+status+1 [Chrome_CacheThr]
  15:13:49  1669 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.08 % X -core :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
  15:13:50 31926 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.38 % [kworker/u8:4]
  15:13:50 13270 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.19 % [kworker/u8:0]
  15:13:50   150 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.11 % [kworker/u8:3]
  15:13:51 15759 be/4 kzqai       0.00 B/s   11.50 K/s  0.00 %  0.00 % gnome-terminal
  15:13:52   169 be/3 root        0.00 B/s   19.17 K/s  0.00 %  4.29 % [jbd2/sda1-8]
  15:13:52   150 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.38 % [kworker/u8:3]
  15:13:52 13270 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.18 % [kworker/u8:0]
  15:13:52 31926 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.11 % [kworker/u8:4]
  15:13:53   680 be/3 root        0.00 B/s    0.00 B/s  0.00 %  5.10 % [jbd2/sda5-8]
  15:13:53 15759 be/4 kzqai       0.00 B/s    3.83 K/s  0.00 %  0.00 % gnome-terminal
  15:13:54   680 be/3 root        0.00 B/s    0.00 B/s  0.00 %  4.66 % [jbd2/sda5-8]
  15:13:54 31926 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.36 % [kworker/u8:4]
  15:13:54 13270 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.18 % [kworker/u8:0]
  15:13:54 10365 be/4 kzqai       0.00 B/s  258.09 K/s  0.00 %  0.13 % af026e00-abd5-11e4-af1a-d485646cd9a4?field.title=package+postgres-xc+%28not+installed%29+failed+to+install%2Fupgrade%3A+subprocess+installed+pre-removal+script+returned+error+exit+status+1 [BrowserBlocking]
  15:13:54   150 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.11 % [kworker/u8:3]
  15:13:55  1306 be/4 postgres    0.00 B/s   19.22 K/s  0.00 %  0.00 % postgres: stats collector process
  15:13:56   150 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.37 % [kworker/u8:3]
  15:13:56 13270 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.19 % [kworker/u8:0]
  15:13:56 31926 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.11 % [kworker/u8:4]
  15:13:57   680 be/3 root        0.00 B/s    3.83 K/s  0.00 %  4.09 % [jbd2/sda5-8]
  15:13:57 10339 be/4 kzqai       0.00 B/s   80.49 K/s  0.00 %  0.05 % af026e00-abd5-11e4-af1a-d485646cd9a4?field.title=package+postgres-xc+%28not+installed%29+failed+to+install%2Fupgrade%3A+subprocess+installed+pre-removal+script+returned+error+exit+status+1 [Chrome_FileThre]
  15:13:57 10342 be/4 kzqai       3.83 K/s   15.33 K/s  0.00 %  0.02 % af026e00-abd5-11e4-af1a-d485646cd9a4?field.title=package+postgres-xc+%28not+installed%29+failed+to+install%2Fupgrade%3A+subprocess+installed+pre-removal+script+returned+error+exit+status+1 [Chrome_CacheThr]
  15:13:58   169 be/3 root        0.00 B/s   26.82 K/s  0.00 %  3.46 % [jbd2/sda1-8]
  15:13:58 13270 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.38 % [kworker/u8:0]
  15:13:58   150 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.20 % [kworker/u8:3]
  15:13:58 31926 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.11 % [kworker/u8:4]
  
  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-45-generic 3.13.0-45.74
  ProcVersionSignature: Ubuntu 3.13.0-45.74-generic 3.13.11-ckt13
  Uname: Linux 3.13.0-45-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.6
  Architecture: amd64
  AudioDevicesInUse:
-  USER        PID ACCESS COMMAND
-  /dev/snd/controlC0:  kzqai      5499 F.... pulseaudio
-                       kzqai     14786 F.... pulseaudio
+  USER        PID ACCESS COMMAND
+  /dev/snd/controlC0:  kzqai      5499 F.... pulseaudio
+                       kzqai     14786 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Tue Feb  3 15:00:00 2015
  HibernationDevice: RESUME=UUID=a4f1b47d-1d75-41f5-a59f-27bfdd225cd3
  InstallationDate: Installed on 2012-09-04 (881 days ago)
  InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120823.1)
  IwConfig:
-  eth0      no wireless extensions.
-  
-  lo        no wireless extensions.
+  eth0      no wireless extensions.
+ 
+  lo        no wireless extensions.
  MachineType: LENOVO IdeaCentre K410
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-45-generic root=UUID=2e00a86e-6f61-4f49-9a4d-0b577855efa9 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
-  linux-restricted-modules-3.13.0-45-generic N/A
-  linux-backports-modules-3.13.0-45-generic  N/A
-  linux-firmware                             1.127.11
+  linux-restricted-modules-3.13.0-45-generic N/A
+  linux-backports-modules-3.13.0-45-generic  N/A
+  linux-firmware                             1.127.11
  RfKill:
-  
+ 
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2014-12-01 (64 days ago)
  dmi.bios.date: 04/06/2012
  dmi.bios.vendor: LENOVO
  dmi.bios.version: ECKT16A
  dmi.board.name: MAHOBAY
  dmi.board.vendor: LENOVO
  dmi.board.version: To be filled by O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: To Be Filled By O.E.M.
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: dmi:bvnLENOVO:bvrECKT16A:bd04/06/2012:svnLENOVO:pnIdeaCentreK410:pvrLenovoProduct:rvnLENOVO:rnMAHOBAY:rvrTobefilledbyO.E.M.:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.name: IdeaCentre K410
  dmi.product.version: Lenovo Product
  dmi.sys.vendor: LENOVO

** Tags added: hard-drive-writes

** This bug has been marked a duplicate of bug 607560
   jbd2 writing block every 5 - 10 seconds, preventing disk spin-down and making noise

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1417751

Title:
  Frequent hard-drive writes, perhaps 2 every second.

Status in linux package in Ubuntu:
  New

Bug description:
  Recently multiple hard-drive writes started happening on a continuous
  basis, even while my desktop is just sitting idle and not in use.
  Running "sudo iotop" gives frequent writes multiple times a second
  (perhaps 2 per second on average).

  Running "sudo iotop -obtqqq" for 30 seconds or so gives the following
  frequent offenders:

  15:13:33 13270 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.39 % [kworker/u8:0]
  15:13:33   150 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.19 % [kworker/u8:3]
  15:13:33 31926 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.11 % [kworker/u8:4]
  15:13:35   169 be/3 root        0.00 B/s   30.67 K/s  0.00 %  4.31 % [jbd2/sda1-8]
  15:13:35   150 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.37 % [kworker/u8:3]
  15:13:35 31926 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.18 % [kworker/u8:4]
  15:13:35 13270 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.11 % [kworker/u8:0]
  15:13:35   680 be/3 root        0.00 B/s    0.00 B/s  0.00 %  0.04 % [jbd2/sda5-8]
  15:13:35 10342 be/4 kzqai       3.83 K/s   15.34 K/s  0.00 %  0.01 % af026e00-abd5-11e4-af1a-d485646cd9a4?field.title=package+postgres-xc+%28not+installed%29+failed+to+install%2Fupgrade%3A+subprocess+installed+pre-removal+script+returned+error+exit+status+1 [Chrome_CacheThr]
  15:13:36   680 be/3 root        0.00 B/s    7.65 K/s  0.00 %  4.04 % [jbd2/sda5-8]
  15:13:37   680 be/3 root        0.00 B/s    0.00 B/s  0.00 %  5.05 % [jbd2/sda5-8]
  15:13:37 13270 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.37 % [kworker/u8:0]
  15:13:37 31926 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.18 % [kworker/u8:4]
  15:13:37   150 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.11 % [kworker/u8:3]
  15:13:37 10339 be/4 kzqai       0.00 B/s   80.50 K/s  0.00 %  0.05 % af026e00-abd5-11e4-af1a-d485646cd9a4?field.title=package+postgres-xc+%28not+installed%29+failed+to+install%2Fupgrade%3A+subprocess+installed+pre-removal+script+returned+error+exit+status+1 [Chrome_FileThre]
  15:13:37 10342 be/4 kzqai       0.00 B/s   26.83 K/s  0.00 %  0.00 % af026e00-abd5-11e4-af1a-d485646cd9a4?field.title=package+postgres-xc+%28not+installed%29+failed+to+install%2Fupgrade%3A+subprocess+installed+pre-removal+script+returned+error+exit+status+1 [Chrome_CacheThr]
  15:13:38 10342 be/4 kzqai       0.00 B/s    3.83 K/s  0.00 %  0.00 % af026e00-abd5-11e4-af1a-d485646cd9a4?field.title=package+postgres-xc+%28not+installed%29+failed+to+install%2Fupgrade%3A+subprocess+installed+pre-removal+script+returned+error+exit+status+1 [Chrome_CacheThr]
  15:13:39   150 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.38 % [kworker/u8:3]
  15:13:39 31926 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.19 % [kworker/u8:4]
  15:13:39 13270 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.12 % [kworker/u8:0]
  15:13:41 13270 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.37 % [kworker/u8:0]
  15:13:41 31926 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.19 % [kworker/u8:4]
  15:13:41   150 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.11 % [kworker/u8:3]
  15:13:42   680 be/3 root        0.00 B/s   11.55 K/s  0.00 %  2.79 % [jbd2/sda5-8]
  15:13:43   150 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.36 % [kworker/u8:3]
  15:13:43 31926 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.18 % [kworker/u8:4]
  15:13:43 13270 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.11 % [kworker/u8:0]
  15:13:45 13270 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.36 % [kworker/u8:0]
  15:13:45 31926 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.18 % [kworker/u8:4]
  15:13:45   150 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.11 % [kworker/u8:3]
  15:13:45 10342 be/4 kzqai       3.84 K/s    7.69 K/s  0.00 %  0.01 % af026e00-abd5-11e4-af1a-d485646cd9a4?field.title=package+postgres-xc+%28not+installed%29+failed+to+install%2Fupgrade%3A+subprocess+installed+pre-removal+script+returned+error+exit+status+1 [Chrome_CacheThr]
  15:13:46   680 be/3 root        0.00 B/s    3.82 K/s  0.00 %  3.01 % [jbd2/sda5-8]
  15:13:46 10337 be/4 kzqai       0.00 B/s   26.75 K/s  0.00 %  0.14 % af026e00-abd5-11e4-af1a-d485646cd9a4?field.title=package+postgres-xc+%28not+installed%29+failed+to+install%2Fupgrade%3A+subprocess+installed+pre-removal+script+returned+error+exit+status+1 [BrowserBlocking]
  15:13:47   150 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.36 % [kworker/u8:3]
  15:13:47 31926 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.18 % [kworker/u8:4]
  15:13:47 13270 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.11 % [kworker/u8:0]
  15:13:47 10339 be/4 kzqai       0.00 B/s    3.84 K/s  0.00 %  0.00 % af026e00-abd5-11e4-af1a-d485646cd9a4?field.title=package+postgres-xc+%28not+installed%29+failed+to+install%2Fupgrade%3A+subprocess+installed+pre-removal+script+returned+error+exit+status+1 [Chrome_FileThre]
  15:13:47 10342 be/4 kzqai       0.00 B/s   11.52 K/s  0.00 %  0.00 % af026e00-abd5-11e4-af1a-d485646cd9a4?field.title=package+postgres-xc+%28not+installed%29+failed+to+install%2Fupgrade%3A+subprocess+installed+pre-removal+script+returned+error+exit+status+1 [Chrome_CacheThr]
  15:13:49 10342 be/4 kzqai       3.83 K/s    7.67 K/s  0.00 %  1.35 % af026e00-abd5-11e4-af1a-d485646cd9a4?field.title=package+postgres-xc+%28not+installed%29+failed+to+install%2Fupgrade%3A+subprocess+installed+pre-removal+script+returned+error+exit+status+1 [Chrome_CacheThr]
  15:13:49  1669 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.08 % X -core :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
  15:13:50 31926 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.38 % [kworker/u8:4]
  15:13:50 13270 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.19 % [kworker/u8:0]
  15:13:50   150 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.11 % [kworker/u8:3]
  15:13:51 15759 be/4 kzqai       0.00 B/s   11.50 K/s  0.00 %  0.00 % gnome-terminal
  15:13:52   169 be/3 root        0.00 B/s   19.17 K/s  0.00 %  4.29 % [jbd2/sda1-8]
  15:13:52   150 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.38 % [kworker/u8:3]
  15:13:52 13270 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.18 % [kworker/u8:0]
  15:13:52 31926 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.11 % [kworker/u8:4]
  15:13:53   680 be/3 root        0.00 B/s    0.00 B/s  0.00 %  5.10 % [jbd2/sda5-8]
  15:13:53 15759 be/4 kzqai       0.00 B/s    3.83 K/s  0.00 %  0.00 % gnome-terminal
  15:13:54   680 be/3 root        0.00 B/s    0.00 B/s  0.00 %  4.66 % [jbd2/sda5-8]
  15:13:54 31926 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.36 % [kworker/u8:4]
  15:13:54 13270 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.18 % [kworker/u8:0]
  15:13:54 10365 be/4 kzqai       0.00 B/s  258.09 K/s  0.00 %  0.13 % af026e00-abd5-11e4-af1a-d485646cd9a4?field.title=package+postgres-xc+%28not+installed%29+failed+to+install%2Fupgrade%3A+subprocess+installed+pre-removal+script+returned+error+exit+status+1 [BrowserBlocking]
  15:13:54   150 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.11 % [kworker/u8:3]
  15:13:55  1306 be/4 postgres    0.00 B/s   19.22 K/s  0.00 %  0.00 % postgres: stats collector process
  15:13:56   150 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.37 % [kworker/u8:3]
  15:13:56 13270 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.19 % [kworker/u8:0]
  15:13:56 31926 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.11 % [kworker/u8:4]
  15:13:57   680 be/3 root        0.00 B/s    3.83 K/s  0.00 %  4.09 % [jbd2/sda5-8]
  15:13:57 10339 be/4 kzqai       0.00 B/s   80.49 K/s  0.00 %  0.05 % af026e00-abd5-11e4-af1a-d485646cd9a4?field.title=package+postgres-xc+%28not+installed%29+failed+to+install%2Fupgrade%3A+subprocess+installed+pre-removal+script+returned+error+exit+status+1 [Chrome_FileThre]
  15:13:57 10342 be/4 kzqai       3.83 K/s   15.33 K/s  0.00 %  0.02 % af026e00-abd5-11e4-af1a-d485646cd9a4?field.title=package+postgres-xc+%28not+installed%29+failed+to+install%2Fupgrade%3A+subprocess+installed+pre-removal+script+returned+error+exit+status+1 [Chrome_CacheThr]
  15:13:58   169 be/3 root        0.00 B/s   26.82 K/s  0.00 %  3.46 % [jbd2/sda1-8]
  15:13:58 13270 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.38 % [kworker/u8:0]
  15:13:58   150 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.20 % [kworker/u8:3]
  15:13:58 31926 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.11 % [kworker/u8:4]

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-45-generic 3.13.0-45.74
  ProcVersionSignature: Ubuntu 3.13.0-45.74-generic 3.13.11-ckt13
  Uname: Linux 3.13.0-45-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.6
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  kzqai      5499 F.... pulseaudio
                        kzqai     14786 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Tue Feb  3 15:00:00 2015
  HibernationDevice: RESUME=UUID=a4f1b47d-1d75-41f5-a59f-27bfdd225cd3
  InstallationDate: Installed on 2012-09-04 (881 days ago)
  InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120823.1)
  IwConfig:
   eth0      no wireless extensions.

   lo        no wireless extensions.
  MachineType: LENOVO IdeaCentre K410
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-45-generic root=UUID=2e00a86e-6f61-4f49-9a4d-0b577855efa9 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-45-generic N/A
   linux-backports-modules-3.13.0-45-generic  N/A
   linux-firmware                             1.127.11
  RfKill:

  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2014-12-01 (64 days ago)
  dmi.bios.date: 04/06/2012
  dmi.bios.vendor: LENOVO
  dmi.bios.version: ECKT16A
  dmi.board.name: MAHOBAY
  dmi.board.vendor: LENOVO
  dmi.board.version: To be filled by O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: To Be Filled By O.E.M.
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: dmi:bvnLENOVO:bvrECKT16A:bd04/06/2012:svnLENOVO:pnIdeaCentreK410:pvrLenovoProduct:rvnLENOVO:rnMAHOBAY:rvrTobefilledbyO.E.M.:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.name: IdeaCentre K410
  dmi.product.version: Lenovo Product
  dmi.sys.vendor: LENOVO

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Follow ups

[Bug 1417751] Re: Frequent hard-drive writes, perhaps 2 every second.
From: Launchpad Bug Tracker, 2015-04-06
[Bug 1417751] Re: Frequent hard-drive writes, perhaps 2 every second.
From: Christopher M. Penalver, 2015-02-04
[Bug 1417751] [NEW] Frequent hard-drive writes, perhaps 2 every second.
From: Tchalvak, 2015-02-03
References

[Bug 1417751] [NEW] Frequent hard-drive writes, perhaps 2 every second.
From: Tchalvak, 2015-02-03