Public bug reported:
[Impact]
There's a hardware errata that causes hangs when using PMU counters.
It has been assigned errata ID E1029.
[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)
** Affects: linux (Ubuntu)
Importance: High
Status: Confirmed
** Affects: linux (Ubuntu Zesty)
Importance: High
Status: Confirmed
** Description changed:
[Impact]
There's a hardware errata that causes hangs when using PMU counters.
+ It has been assigned errata ID E1029.
[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)
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Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1689855
Title:
perf hangs on QDF 2400 servers (Falkor SoC)
Status in linux package in Ubuntu:
Confirmed
Status in linux source package in Zesty:
Confirmed
Bug description:
[Impact]
There's a hardware errata that causes hangs when using PMU counters.
It has been assigned errata ID E1029.
[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)
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1689855/+subscriptions
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