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SubjectStill OOM problems with 4.9er kernels
Date
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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