Bug 591788 – Kdump hangs under RHEL5.5 64bit when sending SysRq in AMD platform

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Bug 591788 - Kdump hangs under RHEL5.5 64bit when sending SysRq in AMD platform

Summary:	Kdump hangs under RHEL5.5 64bit when sending SysRq in AMD platform

Status:	CLOSED WONTFIX

Aliases:	None

Product:	Red Hat Enterprise Linux 5
Classification:	Red Hat
Component:	kernel (Show other bugs)
Sub Component:
Version:	5.5
Hardware:	athlon Linux

Priority	low Severity medium
Target Milestone:	rc
Target Release:	---
Assigned To:	Kiran Thirumalai
QA Contact:	Red Hat Kernel QE team
Docs Contact:

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Depends On:
Blocks:
	Show dependency tree / graph

Reported:	2010-05-13 02:52 EDT by Rocky Shi
Modified:	2015-08-24 02:27 EDT (History)
CC List:	4 users (show)

See Also:
Fixed In Version:
Doc Type:	Bug Fix
Doc Text:
Story Points:	---
Clone Of:
Environment:
Last Closed:	2013-11-12 22:35:24 EST
Type:	---
Regression:	---
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Documentation:	---
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oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
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Description Rocky Shi 2010-05-13 02:52:26 EDT

Description of problem:
>> Kdump hangs under RHEL5.4 when running the following commands.
>> # echo 1 > /proc/sys/kernel/sysrq
>> # echo c > /proc/sysrq-trigger

Version-Release number of selected component (if applicable):
>> RHEL 5.5 64bit

Steps to Reproduce:
>> 1. Boot to RHEL5.5 64bit
>> 2. Enter command line
>> 3. Kdump hangs under RHEL5.4 when running the following commands.
>> # echo 1 > /proc/sys/kernel/sysrq
>> # echo c > /proc/sysrq-trigger
  
Actual results:
>> System halt

Expected results:
>> System reboot

Additional info:
>> 1. Processor: AMD Budapest
>> 2. Chipset: MCP55

>> There is no issue on RHEL 5.5 32 bit

Comment 1 Rocky Shi 2010-05-13 03:01:48 EDT

https://bugzilla.redhat.com/show_bug.cgi?id=473404

This similar bug ever was reported, but it seems there were not do a complete fix since RHEL 5.5 64bit still failed in this command.

Comment 2 John Feeney 2013-11-12 22:35:24 EST

This Bugzilla has been reviewed by Red Hat and is not planned on being
addressed in Red Hat Enterprise Linux 5, and therefore is being closed.
If this bug is critical to production systems, please contact your Red
Hat support representative and provide a sufficient business justification
in order to re-open it.

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