Description: tight loop and no preemption can cause system stall
References:
  https://lkml.org/lkml/2010/11/20/212
  https://bugzilla.redhat.com/show_bug.cgi?id=769711
Notes: Introduced by a64692a3afd85fe048551ab89142fd5ca99a0dbd
  (v2.6.35-rc1~521^2~41)
Bugs:
upstream: released (2.6.37-rc7) [f26f9aff6aaf67e9a430d16c266f91b13a5bff64]
2.6.32-upstream-stable: N/A
sid: released (2.6.37-1)
2.6.32-squeeze-security: N/A
3.2-upstream-stable: N/A