Ubuntu
linux package

  1. Zesty (17.04)
  2. Bug #1689855
  3. Comment #0

Comment 0 for bug 1689855

Revision history for this message
dann frazier (dannf) wrote :

[Impact]
There's a hardware errata that causes hangs when using PMU counters.

[Test Case]
sudo perf top

After a few moments, you should notice hangs, most likely with rcu_sched messages on the console.

[Regression Risk]
(TBD, one upstream fix is identified)