*** This bug is a duplicate of bug 1579205 ***
https://bugs.launchpad.net/bugs/1579205
This somehow haven't attached 1st time.
** Attachment added: "Collection of various logs"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1656033/+attachment/4803784/+files/yakkety_system_logs.tar.gz
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1656033
Title:
Yakkety Server cannot handle more than 256 cores
Status in linux package in Ubuntu:
Confirmed
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)
CONFIG_NR_CPUS=256
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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