0006660: "echo 1 > /proc/sys/vm/compact_memory" results in kernel panic

ID	Project	Category	View Status	Date Submitted	Last Update

0006660	CentOS-6	kernel	public	2013-09-12 09:43	2014-01-04 15:50

Reporter	terryjoyce
Priority	normal	Severity	crash	Reproducibility	always
Status	resolved	Resolution	open
Product Version	6.4
Target Version		Fixed in Version	6.5

Summary	0006660: "echo 1 > /proc/sys/vm/compact_memory" results in kernel panic
Description	"echo 1 > /proc/sys/vm/compact_memory" results in kernel panic
Steps To Reproduce	Just run the command echo 1 > /proc/sys/vm/compact_memory
Tags	No tags attached.

toracat 2013-09-12 17:50 manager ~0017984	It looks as if this issue is known upstream. However, the BZ is not accessible.

tigalch 2013-09-12 18:01 manager ~0017985	I can sord of reproduce that in a vBox VM - however all I get is a frozen VM. Also not good.

terryjoyce 2013-09-12 22:42 reporter ~0017993	If you have access to a Dell M620 Blade server. It happens all the time.

tru 2013-09-13 09:45 administrator ~0017995	the workaround is behind closed doors too: https://access.redhat.com/site/solutions/364444

toracat 2014-01-04 15:50 manager ~0018777	Fixed in the 6.5 kernel.

Date Modified	Username	Field	Change
2013-09-12 09:43	terryjoyce	New Issue
2013-09-12 17:50	toracat	Note Added: 0017984
2013-09-12 17:51	toracat	Status	new => acknowledged
2013-09-12 18:01	tigalch	Note Added: 0017985
2013-09-12 22:42	terryjoyce	Note Added: 0017993
2013-09-13 09:45	tru	Note Added: 0017995
2014-01-04 15:50	toracat	Note Added: 0018777
2014-01-04 15:50	toracat	Status	acknowledged => resolved
2014-01-04 15:50	toracat	Category	-OTHER => kernel
2014-01-04 15:50	toracat	Fixed in Version	=> 6.5