[pkg-lxc-devel] Bug#847048: Bug#847048: lxc: centos6 fails to start after u/g to 2.0.6

Dean Hamstead dean at bytefoundry.com.au
Tue Dec 6 09:27:46 UTC 2016

It might be something that lxc-start needs to check based upon some 
config parameter. I dont know if there is a way of getting info from the 
ABI or if its just a matter of checking the kernel version and/or 

Such a config parameter could then be placed in the centos6 template and 
others as needed. At start up, lxc-start could then fail gracefully with 
a helpful message?

On 06/12/16 19:09, Evgeni Golov wrote:
> Hey,
> On Tue, Dec 06, 2016 at 05:46:58PM +1100, Dean Hamstead wrote:
>> Yes, Solution was to use "vsyscall=emulate" on the host kernel command line
>> (ie on my laptop).
>> Exactly the same issue as:
>> https://github.com/CentOS/sig-cloud-instance-images/issues/62
>> So I am guessing the issue was actually the kernel upgrading.
>> See also: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1018415
> Yeah, I knew what it was as soon as you posted the dmesg output, but was
> on mobile, so was not in the mood to write a proper answer, sorry.
> Glad you have a solution here. Let's see if we can talk the kernel ppl
> into re-thinking this. Or we need a big fat warning somewhere.
> Thanks for debugging

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