Bug 189421

Summary: System hang up with call trace during doing S3/S4 stress
Product: Memory Management Reporter: wendy.wang
Component: OtherAssignee: Andrew Morton (akpm)
Status: NEW ---    
Severity: normal    
Priority: P1    
Hardware: All   
OS: Linux   
Kernel Version: v4.9-rc5, v4.9-rc6, v4.9-rc7 Subsystem:
Regression: Yes Bisected commit-id:
Attachments: calltrace.log
S3 stress script
s4 stress script

Description wendy.wang 2016-12-01 02:18:56 UTC
Created attachment 246491 [details]

This is regression bug failed on Broxton platform.

1st time found this issue is testing with mainline v4.9-rc5 on one platform, till v4.9-rc7 we can reproduce the same failure on second broxton platform.

Failure symptom:
Boot into kernel, run the s3 or s4 stress(script attached), system will intermittent hang up with attached call trace, which indicated to relationship with mm_release.
Comment 1 wendy.wang 2016-12-01 02:22:46 UTC
Created attachment 246501 [details]
S3 stress script
Comment 2 wendy.wang 2016-12-01 02:23:10 UTC
Created attachment 246511 [details]
s4 stress script