> > > Let me guess: you're running multi-socket systems, and the kernel > version behind that "3.16.0-4" label is 3.16.51-2, not 3.16.43-2? >
Nope. On the nodes the version is 3.16.43-2, and on the master dpkg points that the unloaded kernel is 3.16.43-2+deb8u5 > There seems to be an issue with that latest kernel update in Debian > Jessie, mainly affecting multi-socket machines, but since Dec 4 > when this kernel package (set) was released I haven't seen any > updates or fixes. > Would using the jessie-backports kernel (4.9.x) be an option for you? > > I haven't installed a kernel directly until now. I'll try to check it out. Thank you > Cheers, > S > >
