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I know there are a lot of quite similar questions about standby/resume on natty here, but reading through all of these I think my issue is not directly related.

Standby/Resume used to work in 10.10, but after upgrading to 11.04 this issue occured. Going into standby works as expected but when resuming something completely occupies the harddisk - HDD LED keeps being on - and the computer (Thinkpad T500) is extremely slow. It takes ages to get the login screen, if it ever gets to that point. This state persists for at least half an hour.

I think that the something occupying the harddisk is the swap space. I managed to do a console login in that state and fire up "top". There I could see that swap space was at 2,5 GB (of 10 GB) while main memory usage was only at about 650 MB (of 4 GB). Before going into standby this normally is about vice versa, with swap being at 500 MB and main memory at about 3 GB.

Other maybe interesting data from top:

  • "Waiting for IO" value was mostly at 99%
  • Process "kswapd0" regularly took 1-2% of CPU

I can get the computer back to work regularly by by killing hard all processed that use very much virtual memory. These normally are firefox and a java instance running eclipse.

Other data about the system:

  • Ubuntu 11.04 64-Bit
  • Swappiness is at a default 60

Thanks for any insight on how to get to the cause of this annoying problem.

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Do you use remastersys? Also some info like cat /proc/swaps ? – nitstorm Aug 2 '11 at 13:52
Did you leave LibreOffice running? – RolandiXor♦ Aug 2 '11 at 14:39
Sorry, for the delay in answering. No, remastersys is not installed. And LibreOffice was not running. This is my /proc/swaps data with the system at normal state: Filename: /dev/sda6, Type: partition, Size: 10077444, Used: 0, Priority: -1 – Oliver Aug 5 '11 at 13:46
Hello, this question has no information and activity for a very long time. I am voting to close it for now. If by any reason you think this question is still viable or useful in anyways or that there is still a good chance it will be answered please flag it to a moderator or add a comment with the reasons why you want it open. Regards. – nitstorm Mar 3 '12 at 5:13
Same behaviour here ... – GabrieleV Jun 26 '12 at 6:18

closed as too localized by nitstorm, Bruno Pereira♦ Mar 3 '12 at 16:15

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