[Bug 486666] Re: 9.10 amd 64 - Very slow swapoff performance (0.5 MB/s) on encrypted device (but fast CPU)

2010-05-25 Thread Jeremy Foshee
This bug report was marked as Incomplete and has not had any updated comments for quite some time. As a result this bug is being closed. Please reopen if this is still an issue in the current Ubuntu release http://www.ubuntu.com/getubuntu/download . Also, please be sure to provide any requested in

[Bug 486666] Re: 9.10 amd 64 - Very slow swapoff performance (0.5 MB/s) on encrypted device (but fast CPU)

2010-04-24 Thread Jeremy Foshee
Hi LimCore, If you could also please test the latest upstream kernel available that would be great. It will allow additional upstream developers to examine the issue. Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Once you've tested the upstream kernel, please remove the 'needs-upst

[Bug 486666] Re: 9.10 amd 64 - Very slow swapoff performance (0.5 MB/s) on encrypted device (but fast CPU)

2010-04-05 Thread Rafal-maj-it
Although it is said this shamefully slow performance is a problem in vanilla kernel... http://kerneltrap.org/Linux/Swapoff_Performance -- 9.10 amd 64 - Very slow swapoff performance (0.5 MB/s) on encrypted device (but fast CPU) https://bugs.launchpad.net/bugs/48 You received this bug notific

[Bug 486666] Re: 9.10 amd 64 - Very slow swapoff performance (0.5 MB/s) on encrypted device (but fast CPU)

2010-04-05 Thread Rafal-maj-it
This bug still exists in 9.10; And this is not normal to have 0.5 MB/s on 2.5 GHz quadcore, because writting/reading normal partition, also using same encryption, is x100 times faster (50 Mb/s) ** Changed in: linux (Ubuntu) Status: Invalid => New -- 9.10 amd 64 - Very slow swapoff perfor

[Bug 486666] Re: 9.10 amd 64 - Very slow swapoff performance (0.5 MB/s) on encrypted device (but fast CPU)

2009-11-23 Thread Scott James Remnant
It takes a long time to sort out because it has to rearrange and flush the memory, as well as go through multiple decrypt cycles, etc. This is quite normal ** Changed in: util-linux (Ubuntu) Status: New => Invalid ** Package changed: util-linux (Ubuntu) => linux (Ubuntu) -- 9.10 amd 64

[Bug 486666] Re: 9.10 amd 64 - Very slow swapoff performance (0.5 MB/s)

2009-11-22 Thread LimCore
** Attachment added: "Dependencies.txt" http://launchpadlibrarian.net/35945838/Dependencies.txt ** Attachment added: "XsessionErrors.txt" http://launchpadlibrarian.net/35945839/XsessionErrors.txt ** Description changed: Binary package hint: util-linux Swapoff takes very long to dis