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Fixed

LIN9-6949 : pm: freeze_wake, BUG: sleeping function called from invalid context at kernel/locking/rtmutex.c:995

Created: May 31, 2018    Updated: Dec 3, 2018
Resolved Date: Jun 13, 2018
Found In Version: 9.0.0.11
Fix Version: 9.0.0.17
Severity: Standard
Applicable for: Wind River Linux 9
Component/s: Kernel

Description

We observe the below call trace in kernel log during network wakeup from sleep (S3) state, 
-------------
Apr 23 21:25:32 XRX9C934E6B722B kernel: [ 2953.246578] BUG: sleeping function called from invalid context at kernel/locking/rtmutex.c:995 
......

Steps to Reproduce

Intel Oxbow Hill reference board can be used for reproducing this issue. Steps for reproducing this issue. 
1) Boot the Intel reference board with debug console connected to serial port. 
2) LAN connection also need to be setup 
3) login to Linux prompt 
4) Note down the board IP address 
5) Put in S3 state using the command, "echo "mem" > /sys/power/state" 
6) Ping the board IP from the test PC.
 
The steps are from customer, I didn't reproduced this since I didn't find Intel Oxbow Hill reference board in VLM.

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