Out of memory (oom) issues
Chris
cpollock at embarqmail.com
Fri Sep 2 21:09:13 UTC 2016
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.
>
>
--
Chris
KeyID 0xE372A7DA98E6705C
31.11972; -97.90167 (Elev. 1092 ft)
16:04:02 up 8:09, 1 user, load average: 1.11, 2.39, 1.44
Ubuntu 16.04.1 LTS, kernel 4.4.0-36-generic #55-Ubuntu SMP Thu Aug 11 18:01:55 UTC 2016
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