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SubjectRe: Still OOM problems with 4.9er kernels
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Hello,

See also:
Bug 1314697 - Kernel 4.4.3-300.fc23.x86_64 is not stable inside a KVM VM
https://bugzilla.redhat.com/show_bug.cgi?id=1314697

Ciao,
Gerhard


On 30.11.2016 08:10, Gerhard Wiesinger wrote:
> Hello,
>
> I'm having out of memory situations with my "low memory" VMs in KVM
> under Fedora (Kernel 4.7, 4.8 and also before). They started to get
> more and more sensitive to OOM. I recently found the following info:
>
> https://marius.bloggt-in-braunschweig.de/2016/11/17/linuxkernel-4-74-8-und-der-oom-killer/
>
> https://www.spinics.net/lists/linux-mm/msg113661.html
>
> Therefore I tried the latest Fedora kernels:
> 4.9.0-0.rc6.git2.1.fc26.x86_64
>
> But OOM situation is still very easy to reproduce:
>
> 1.) VM with 128-384MB under Fedora 25
>
> 2.) Having some processes run without any load (e.g. Apache)
>
> 3.) run an update with: dnf clean all; dnf update
>
> 4.) dnf python process get's killed
>
>
> Please make the VM system working again in Kernel 4.9 and to use swap
> again correctly.
>
> Thnx.
>
> Ciao,
>
> Gerhard
>
>

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