Ubuntu
linux package

  1. Bug #1758869
  2. Comment #3

Comment 3 for bug 1758869

Revision history for this message
Kamal Mostafa (kamalmostafa) wrote :

This is caused by this commit from mainline:

linux-aws: 9f182bd x86/microcode/intel: Extend BDW late-loading further with LLC size check
mainline: 7e702d1 x86/microcode/intel: Extend BDW late-loading further with LLC size check

which adds a check which involves this computation:
+ do_div(llc_size, c->x86_max_cores);

But dmesg on a c3.large instance yields this interesting line:
[ 0.156084] smpboot: x86_max_cores == zero !?!?