Out of memory (oom) issues

[Chris]

On Fri, 2016-09-02 at 16:09 -0500, Chris wrote:
> On Fri, 2016-09-02 at 15:23 -0500, Chris wrote:
> > 
> > On Fri, 2016-09-02 at 19:36 +0200, Oliver Grawert wrote:
> > > 
> > > 
> > > hi,
> > > On Fr, 2016-09-02 at 19:25 +0200, Ralf Mardorf wrote:
> > > > 
> > > > 
> > > > 
> > > > On Fri, 02 Sep 2016 11:38:21 -0500, Chris wrote:
> > > > > 
> > > > > 
> > > > > 
> > > > > 
> > > > > Memory Size: 3 GB + 768 MB
> > > > > https://pastebin.com/YzP3Uq0y
> > > > I guess you need to run  top  "after about 4hrs of uptime",
> > > > around
> > > > the
> > > > time you expect an oom killer.
> > > > 
> > > the OOM killer actually dumps the top output into syslog when it
> > > kicks
> > > in, as you can see in the different pastes that chris posted on
> > > the
> > > LP
> > > question at:
> > > 
> > > https://answers.launchpad.net/ubuntu/+question/376296
> > > 
> > > ;)
> > > 
> > > ciao
> > > 	oli
> > Once I get up in the morning I open a terminal and run tail on the
> > syslog. The system is on 24/7 though without the load of Evo or
> > Firefox. The latest oom, see the link, happened 5h 3m after
> > starting
> > it
> > this morning after I ran memtest for 11hr 20m. 
> > 
> > https://pastebin.com/HKbiB3Ud
> > 
> > Logically the next one should happen somewhere between 5 and 6pm
> > tonight.
> > 
> > Though I stopped clamav earlier freshclam ran and restarted it.
> > I've
> > not stopped the clamav-daemon and clamav-freshclam. 
> > 
> > I believe I mentioned this earlier that as time gets close for the
> > oom
> > the system will slow way down. For instance if I'm installing a new
> > application or doing an update or sometimes even opening nautilus
> > the
> > system will 'freeze' the seconds on the clock will stop, the mouse
> > will
> > stop being movable. Eventually it will unfreeze however at times 3+
> > minutes will have passed. Since I also have top running in another
> > desktop I'll see that the 1m load average will be up about 17+%
> > though
> > I can't see anything in syslog causing this.
> > 
> As I was using Nautilus to load up some photos from my camera the
> clock
> froze. I managed go get to the desktop I had top running in and stop
> it
> 
> top - 15:59:18 up  8:05,  1 user,  load average: 5.57, 2.11, 0.89
> Tasks: 259 total,   3 running, 256 sleeping,   0 stopped,   0 zombie
> %Cpu(s):  0.7 us, 33.6 sy,  0.0 ni,  0.0 id, 65.7 wa,  0.0 hi,  0.0
> si,  0.0 st
> KiB Mem :  3943540 total,   111720 free,  2374868 used,  1456952
> buff/cache
> KiB Swap:  4089852 total,  3537244 free,   552608 used.    86956
> avail
> Mem 
> 
> I notice that 'system' cpu usage is pretty high. I guess I need to
> run
> top without stipulating -u chris.
> 
Second one of the day less than 4hrs between

https://pastebin.com/PqCNRkD0

> 
> 
-- 
Chris
KeyID 0xE372A7DA98E6705C
31.11972; -97.90167 (Elev. 1092 ft)
16:34:32 up 8:40, 1 user, load average: 0.22, 1.07, 2.29
Ubuntu 16.04.1 LTS, kernel 4.4.0-36-generic #55-Ubuntu SMP Thu Aug 11 18:01:55 UTC 2016