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Re: Some tasks very slow after upgrade from Jessie to Stretch




On Wed, 28 Feb 2018, Schrey wrote:
> bob@build-stretch:/stuff/git/linux-stable$
[...]
> sys     2m6.748s
> bob@build-jessie:/stuff/git/linux-stable$

[...]
> sys     0m6.164s
[...]
> Has anyone experienced similar things after upgrading from Jessie to
> Stretch?

I haven't, but a little birdie makes me wonder if this is the
spectre/meltdown mitigation causing issues.

Does this issue recur if the jessie and stretch machines are running the
exact same kernel? Does this happen if you're running jessie/stretch on
bare hardware or a more recent KVM/kernel?


-- 
Don Armstrong                      https://www.donarmstrong.com

Le temps est un grand maître, dit-on; le malheur est qu'il soit un
maître inhumain qui tue ses élèves.
Time is a great teacher, but unfortunately it kills all its pupils.
 -- Hector Berlioz