** Changed in: linux (Ubuntu Groovy)
Status: In Progress => Fix Committed
** Changed in: linux (Ubuntu Hirsute)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1927749
Title:
ubuntu_kernel_selftests ftrace fails on arm64 F / aws-5.8 / amd64 F
azure-5.8
Status in ubuntu-kernel-tests:
In Progress
Status in linux package in Ubuntu:
In Progress
Status in linux source package in Focal:
Invalid
Status in linux-aws source package in Focal:
New
Status in linux source package in Groovy:
Fix Committed
Status in linux-aws source package in Groovy:
New
Status in linux source package in Hirsute:
Fix Committed
Status in linux-aws source package in Hirsute:
New
Status in linux source package in Impish:
In Progress
Status in linux-aws source package in Impish:
New
Bug description:
[Impact]
arm64 only focal/aws 5.8.0-1031.33~20.04.1-aws and
5.8.0-1032.34~20.04.1-aws - regression. Works fine on previous Focal
cycle (5.8.0-1028.30~20.04.3-aws) and current Groovy 5.8.
12. 05/06 07:01:39 DEBUG| utils:0153| [stdout] TAP version 13
13. 05/06 07:01:39 DEBUG| utils:0153| [stdout] 1..1
14. 05/06 07:01:39 DEBUG| utils:0153| [stdout] # selftests: ftrace:
ftracetest
15. 05/06 07:01:39 DEBUG| utils:0153| [stdout] # === Ftrace unit tests ===
16. 05/06 07:01:39 DEBUG| utils:0153| [stdout] # [1] Basic trace file check
[PASS]
17. 05/06 07:01:41 DEBUG| utils:0153| [stdout] # [2] Basic test for tracers
[PASS]
18. 05/06 07:01:41 DEBUG| utils:0153| [stdout] # [3] Basic trace clock test
[PASS]
19. 05/06 07:01:41 DEBUG| utils:0153| [stdout] # [4] Basic event tracing
check [PASS]
20. 05/06 07:01:42 DEBUG| utils:0153| [stdout] # [5] Change the ringbuffer
size [PASS]
21. 05/06 07:01:42 DEBUG| utils:0153| [stdout] # [6] Snapshot and tracing
setting [PASS]
22. 05/06 07:01:42 DEBUG| utils:0153| [stdout] # [7] trace_pipe and
trace_marker [PASS]
23. 05/06 07:01:42 DEBUG| utils:0153| [stdout] # [8] Test ftrace direct
functions against tracers [UNRESOLVED]
24. 05/06 07:01:43 DEBUG| utils:0153| [stdout] # [9] Test ftrace direct
functions against kprobes [UNRESOLVED]
25. 05/06 07:01:43 DEBUG| utils:0153| [stdout] # [10] Generic dynamic event
- add/remove kprobe events [PASS]
26. 05/06 07:01:43 DEBUG| utils:0153| [stdout] # [11] Generic dynamic event
- add/remove synthetic events [PASS]
27. 05/06 07:01:44 DEBUG| utils:0153| [stdout] # [12] Generic dynamic event
- selective clear (compatibility) [PASS]
28. 05/06 07:01:44 DEBUG| utils:0153| [stdout] # [13] Generic dynamic event
- generic clear event [PASS]
29. 05/06 07:01:44 DEBUG| utils:0153| [stdout] # [14] event tracing -
enable/disable with event level files [PASS]
30. 05/06 07:01:45 DEBUG| utils:0153| [stdout] # [15] event tracing -
restricts events based on pid notrace filtering [FAIL]
31. 05/06 07:01:45 DEBUG| utils:0153| [stdout] # [16] event tracing -
restricts events based on pid [PASS]
32. 05/06 07:01:45 DEBUG| utils:0153| [stdout] # [17] event tracing -
enable/disable with subsystem level files [PASS]
33. 05/06 07:01:46 DEBUG| utils:0153| [stdout] # [18] event tracing -
enable/disable with top level files [PASS]
[Test Plan]
* Run ftrace test from kernel selftests.
[Where problems could occur]
* Only kernel selftests should be affected.
* ftrace test can have false positives or negatives.
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