*** This bug is a duplicate of bug 1579205 ***

This somehow haven't attached 1st time.

** Attachment added: "Collection of various logs"

** Changed in: linux (Ubuntu)
       Status: Incomplete => Confirmed

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  Yakkety Server cannot handle more than 256 cores

Status in linux package in Ubuntu:

Bug description:
  Generic Linux kernel flavor is official Ubuntu Server Linux kernel flavor.
  It is supposed to be run on both workstations and servers.

  Generic kernel configuration supports max 256 CPUs:

      root@ubuntu02:~# grep CONFIG_NR_CPUS /boot/config-$(uname -r)

  While running on Intel KNL with Hyper-Threading enabled it cannot
  accommodate cores over 256.

  Probably server flavor should support 512 cores, like it is in RedHat.

  Logs attached.

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