Tried with vm.swappiness=60, but the only improvement is that now the mouse input is less choppy than before, but still the problem remains - the computer is not usable at all, one could not even stop the program, causing the problem.
Best, Ivan -- On 04/04/13 17:16, Michal Hocko wrote: > On Thu 04-04-13 16:10:06, Ivan Danov wrote: >> Hi Michal, >> >> Yes, I use swap partition (2GB), but I have applied some things for >> keeping the life of the SSD hard drive longer. All the things I have >> done are under point 3. at >> http://www.rileybrandt.com/2012/11/18/linux-ultrabook/. > OK, I guess I know what's going on here. > So you did set vm.swappiness=0 which (for some time) means that there is > almost no swapping going on (although you have plenty of swap as you are > mentioning above). > This shouldn't be a big deal normally but you are also backing your > /tmp on tmpfs which is in-memory filesystem. This means that if you > are writing to /tmp a lot then this content will fill up your memory > which is not swapped out until the memory reclaim is getting into real > troubles - most of the page cache is dropped by that time so your system > starts trashing. > > I would encourage you to set swappiness to a more reasonable value (I > would use the default value which is 60). I understand that you are > concerned about your SSD lifetime but your user experience sounds like a > bigger priority ;) > >> By system freezes, I mean that the desktop environment doesn't react >> on my input. Just sometimes the mouse is reacting very very choppy >> and slowly, but most of the times it is not reacting at all. In the >> attached file, I have the output of the script and the content of >> dmesg for all levels from warn to emerg, as well as my kernel config. > I haven't checked your attached data but you should get an overview from > Shmem line from /proc/meminfo which tells you how much shmem/tmpfs > memory you are using and grep "^Swap" /proc/meminfo will tell you more > about your swap usage. > >> Best, >> Ivan > HTH -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1162073 Title: System freeze on high memory usage To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1162073/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
