perf hangs on QDF 2400 servers (Falkor SoC)
Bug #1689855 reported by
dann frazier
This bug affects 1 person
| Affects | Status | Importance | Assigned to | Milestone | |
|---|---|---|---|---|---|
| linux (Ubuntu) |
Confirmed
|
High
|
Unassigned | ||
| Zesty |
Confirmed
|
High
|
Unassigned | ||
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)
Revision history for this message
| dann frazier (dannf) wrote | #1 |
| description: | updated |
| Changed in linux (Ubuntu): | |
| status: | New → Confirmed |
| Changed in linux (Ubuntu Zesty): | |
| status: | New → Confirmed |
| Changed in linux (Ubuntu): | |
| importance: | Undecided → High |
| Changed in linux (Ubuntu Zesty): | |
| importance: | Undecided → High |
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Initial upstream workaround submission: https:/