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On 11 Feb 2016 08:54, Dmitry Mishin wrote: > > On 02/09/2016 03:54 PM, Florian Weimer wrote: > >> On 02/09/2016 03:36 PM, Aurelien Jarno wrote: > >> > >>> I am in favor of that. That said when have we tried to do so in Debian > >>> stretch/sid (which will be released in 2017), people started to > >>>complain > >>> loudly that it breaks openvz. We had to revert the change given a lot > >>>of > >>> VPS providers are using openvz. > >>> > >>> It seems that openvz is currently not ported on more recent kernels > >>>than > >>> 2.6.32 and that it will be supported until 2019 for SLES11 and 2020 for > >>> RHEL7. This unfortunately doesn't encourage openvz to move to newer > >>> kernels. > >> > >> I've got access to a Virtuozzo container which runs on a commercially > >> supported (?) 3.10 kernel variant. > > > > It turns out it's lying about the kernel version: > > > > <https://bugs.openvz.org/browse/OVZ-5843> > > > > Oh dear. > > Yep, we have to do this in order still allow OpenVZ users to run desired > software > inside Containers. Unfortunately, they will to run brand new Linux > distributions > every time they appear. :) > > Seriously, we wouldn't do these hacks if glibc preserve compatibility with > old Kernels. that makes no sense. glibc already supports 2.6.32 today. maybe you're misattributing the problem to distros or other packages ? off the top of my head, i know udev is pretty aggressive at dropping support for older versions of linux. however, simply lying via uname doesn't actually make the code work -- they're requiring newer versions because they expect the functionality that's supposed to be in newer versions. so unless you're actually backporting features too (ugh), then your system is broken. -mike
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