kjournald and pdflush constantly writing to HD

Wed Jun 18 17:27:12 UTC 2008

I have a 2.5" 40GB HD (new) in my frontend for mythtv (using  
mythbuntu). I have before used 7.10 aswell. The following problem is  
new to the Hardy release.

The problem is that kjournald and pdflush is constantly writing to my  
HD. I'm talking maybe 1-2 times/sec. This will in the end dramaticly  
decrease the life of my HD (and its just plain irritating to watch).  
Now my system is fairly new with 1GB of RAM, so in theory I would easy  
fit the whole OS in there. Now I have tried mounting my ext3  
filesystem with "noatime" with no results at all.

Here is a output of my logs (just a few seconds) when I echo 1 >/proc/ 
sys/vm/block_dump:

[  644.768128] syslogd(4911): dirtied inode 1515680 (syslog) on sda1
[  644.768137] syslogd(4911): dirtied inode 1515668 (kern.log) on sda1
[  644.768145] syslogd(4911): dirtied inode 1515668 (kern.log) on sda1
[  644.768153] syslogd(4911): dirtied inode 1515663 (debug) on sda1
[  644.768160] syslogd(4911): dirtied inode 1515663 (debug) on sda1
[  644.769718] kjournald(2473): WRITE block 29096 on sda1
[  644.769824] kjournald(2473): WRITE block 29104 on sda1
[  644.769859] kjournald(2473): WRITE block 29112 on sda1
[  644.769883] kjournald(2473): WRITE block 29120 on sda1
[  644.770001] kjournald(2473): WRITE block 29128 on sda1
[  644.770553] kjournald(2473): WRITE block 29136 on sda1
[  649.756681] pdflush(174): WRITE block 48742856 on sda1
[  649.756706] pdflush(174): WRITE block 48742752 on sda1
[  649.756722] pdflush(174): WRITE block 48742640 on sda1
[  649.757104] syslogd(4911): dirtied inode 1515680 (syslog) on sda1
[  649.757114] syslogd(4911): dirtied inode 1515680 (syslog) on sda1
[  649.757119] syslogd(4911): dirtied inode 1515680 (syslog) on sda1
[  649.757128] syslogd(4911): dirtied inode 1515668 (kern.log) on sda1
[  649.757135] syslogd(4911): dirtied inode 1515668 (kern.log) on sda1
[  649.757139] syslogd(4911): dirtied inode 1515668 (kern.log) on sda1
[  649.757147] syslogd(4911): dirtied inode 1515663 (debug) on sda1
[  649.757153] syslogd(4911): dirtied inode 1515663 (debug) on sda1
[  649.757157] syslogd(4911): dirtied inode 1515663 (debug) on sda1
[  649.759031] kjournald(2473): WRITE block 29144 on sda1
[  649.759039] kjournald(2473): WRITE block 29152 on sda1
[  649.759250] kjournald(2473): WRITE block 29160 on sda1
[  674.706988] pdflush(174): WRITE block 48742688 on sda1
[  674.707320] kjournald(2473): WRITE block 48742752 on sda1
[  674.707331] kjournald(2473): WRITE block 48742856 on sda1
[  674.707337] kjournald(2473): WRITE block 48742640 on sda1
[  674.707441] kjournald(2473): WRITE block 48742864 on sda1
[  674.707498] kjournald(2473): WRITE block 48742648 on sda1
[  674.710272] kjournald(2473): WRITE block 29168 on sda1
[  674.710282] kjournald(2473): WRITE block 29176 on sda1
[  674.710288] kjournald(2473): WRITE block 29184 on sda1
[  674.710292] kjournald(2473): WRITE block 29192 on sda1
[  674.710297] kjournald(2473): WRITE block 29200 on sda1
[  674.710817] kjournald(2473): WRITE block 29208 on sda1
[  679.698030] pdflush(174): WRITE block 48742760 on sda1
[  679.698056] pdflush(174): WRITE block 48742864 on sda1
[  679.698073] pdflush(174): dirtied inode 1515663 (debug) on sda1
[  679.698077] kjournald(2473): WRITE block 48742752 on sda1
[  679.698086] kjournald(2473): WRITE block 48742648 on sda1
[  679.698452] syslogd(4911): dirtied inode 1515680 (syslog) on sda1
[  679.698464] syslogd(4911): dirtied inode 1515680 (syslog) on sda1
[  679.698473] syslogd(4911): dirtied inode 1515668 (kern.log) on sda1
[  679.698481] syslogd(4911): dirtied inode 1515668 (kern.log) on sda1
[  679.698489] syslogd(4911): dirtied inode 1515663 (debug) on sda1
[  679.698496] syslogd(4911): dirtied inode 1515663 (debug) on sda1
[  679.700527] kjournald(2473): WRITE block 29216 on sda1
[  679.700537] kjournald(2473): WRITE block 29224 on sda1
[  679.700558] kjournald(2473): WRITE block 29232 on sda1
[  679.700599] kjournald(2473): WRITE block 29240 on sda1
[  679.700640] kjournald(2473): WRITE block 29248 on sda1
[  679.701080] kjournald(2473): WRITE block 29256 on sda1
[  684.687099] pdflush(174): WRITE block 48742760 on sda1
[  684.687663] kjournald(2473): WRITE block 48742648 on sda1
[  684.687669] syslogd(4911): dirtied inode 1515680 (syslog) on sda1
[  684.687675] kjournald(2473): WRITE block 48742864 on sda1
[  684.687678] syslogd(4911): dirtied inode 1515680 (syslog) on sda1
[  684.687683] syslogd(4911): dirtied inode 1515680 (syslog) on sda1
[  684.687695] syslogd(4911): dirtied inode 1515668 (kern.log) on sda1
[  684.687702] syslogd(4911): dirtied inode 1515668 (kern.log) on sda1
[  684.687739] pdflush(174): dirtied inode 1515663 (debug) on sda1
[  684.688124] syslogd(4911): dirtied inode 1515663 (debug) on sda1
[  684.690001] kjournald(2473): WRITE block 29264 on sda1
[  684.690010] kjournald(2473): WRITE block 29272 on sda1
[  684.690325] kjournald(2473): WRITE block 29280 on sda1
[  707.379635] kjournald(2473): WRITE block 48742760 on sda1
[  707.379650] kjournald(2473): WRITE block 48742864 on sda1
[  707.379657] kjournald(2473): WRITE block 48742648 on sda1
[  707.379662] kjournald(2473): WRITE block 48742872 on sda1
[  707.379668] kjournald(2473): WRITE block 48743232 on sda1
[  707.379704] bash(6094): READ block 65253344 on sda1
[  707.382212] kjournald(2473): WRITE block 29288 on sda1
[  707.382221] kjournald(2473): WRITE block 29296 on sda1
[  707.382227] kjournald(2473): WRITE block 29304 on sda1
[  707.382231] kjournald(2473): WRITE block 29312 on sda1
[  707.382235] kjournald(2473): WRITE block 29320 on sda1
[  707.382240] kjournald(2473): WRITE block 29328 on sda1
[  707.382244] kjournald(2473): WRITE block 29336 on sda1
[  707.382248] kjournald(2473): WRITE block 29344 on sda1
[  707.382252] kjournald(2473): WRITE block 29352 on sda1
[  707.382256] kjournald(2473): WRITE block 29360 on sda1
[  707.414192] bash(6094): dirtied inode 2032503 (tail) on sda1
[  707.414384] tail(6094): READ block 65253376 on sda1
[  707.414457] tail(6094): READ block 65253384 on sda1
[  707.414463] tail(6094): READ block 65253392 on sda1
[  707.414470] tail(6094): READ block 65253400 on sda1
[  707.414474] tail(6094): READ block 65253408 on sda1
[  707.414479] tail(6094): READ block 65253416 on sda1
[  707.414483] tail(6094): READ block 65253424 on sda1
[  707.414488] tail(6094): READ block 65253432 on sda1
[  707.418243] kjournald(2473): WRITE block 29368 on sda1
[  709.637376] pdflush(174): WRITE block 48742816 on sda1
[  712.547577] kjournald(2473): WRITE block 48742760 on sda1
[  712.547591] kjournald(2473): WRITE block 48742872 on sda1
[  712.547598] kjournald(2473): WRITE block 48743232 on sda1
[  712.547603] kjournald(2473): WRITE block 48742768 on sda1
[  712.550071] kjournald(2473): WRITE block 29376 on sda1
[  712.550080] kjournald(2473): WRITE block 29384 on sda1
[  712.550085] kjournald(2473): WRITE block 29392 on sda1
[  712.550088] kjournald(2473): WRITE block 29400 on sda1
[  712.550093] kjournald(2473): WRITE block 29408 on sda1
[  712.550097] kjournald(2473): WRITE block 29416 on sda1
[  712.550437] kjournald(2473): WRITE block 29424 on sda1

There are a few posts on the same matter in the forums, however  
nothings seems to help me. As I said, 7.10 was no problem at all with  
this so something must have changed to the worse. All help is highly  
appreciated. Thanks.

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