Wind River Support Network


LIN9-6877 : False-positive warning for "do not call blocking ops when !TASK_RUNNING;"

Created: May 15, 2018    Updated: Dec 3, 2018
Resolved Date: May 27, 2018
Found In Version:
Fix Version:
Severity: Standard
Applicable for: Wind River Linux 9
Component/s: Kernel


Using CONFIG_DEBUG_ATOMIC_SLEEP enabled kernel, we encountered following false-positive warning:

do not call blocking ops when !TASK_RUNNING;

This issue was fixed by following upstream patch:

  - PM / runtime: Avoid false-positive warnings from might_sleep_if()

Steps to Reproduce

The warning was shown when they inserted 3rd party's WiFi driver module, so we cannot reproduce it.

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