Re: [Xen-devel] [Xen-users] unexpected Out Of Memory (OOM)

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Thu, 2013-08-08 at 12:10 +0200, Olivier Bonvalet wrote:
> 
> Le jeudi 08 aoÃt 2013 Ã 09:58 +0100, Ian Campbell a Ãcrit :
> > On Wed, 2013-08-07 at 23:37 +0200, Olivier Bonvalet wrote:
> > > So I recompiled a kernel with the kmemleak feature. I obtain that kind
> > > of list, but not sure that it's usefull :
> > 
> > These look to me like valid things to be allocating at boot time, and
> > even if they are leaked there isn't enough here to exhaust 8GB by a long
> > way.
> > 
> > It'd be worth monitoring to see if it grows at all or if anything
> > interesting shows up after running for a while with the leak.
> > 
> > Likewise it'd be worth keeping an eye on the process list and slabtop
> > and seeing if anything appears to be growing without bound.
> > 
> > Other than that I'm afraid I don't have many smart ideas.
> > 
> > Ian.
> > 
> > 
> 
> Ok, then I will become crazy : when I start the kernel with kmemleak=on
> in fact I haven't memory leak. The memory usage stay near 300MB.
> 
> Then I restart on the same kernel, without kmemleak=on, the memory usage
> jump to 600MB and still grow.
> 
> Olivier
> 
> PS : I retry several time, to confirm that.

*boggles*

Ian.


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