Bug 607137

Summary:	window2003 and window2008 get incorrect mem
Product:	Red Hat Enterprise Linux 6	Reporter:	Suqin Huang <shuang>
Component:	qemu-kvm	Assignee:	Virtualization Maintenance <virt-maint>
Status:	CLOSED NOTABUG	QA Contact:	Virtualization Bugs <virt-bugs>
Severity:	medium	Docs Contact:
Priority:	low
Version:	6.0	CC:	amit.shah, mkenneth, virt-maint
Target Milestone:	rc
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2010-11-22 09:11:31 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	580953

Description Suqin Huang 2010-06-23 11:00:42 UTC

Description of problem:
boot win2003 and win2008 with 2048M mem, guest only get 2047M, if boot with 4096M, will get 4095M

Version-Release number of selected component (if applicable):
qemu-kvm-0.12.1.2-2.78.el6.x86_64

How reproducible:
100%

Steps to Reproduce:
1. boot guest

qemu-kvm -name 'vm1' -monitor tcp:0:6001,server,nowait -drive file=/win2003-64.qcow2,if=ide,cache=none,werror=stop,boot=on \
-net nic,vlan=0,model=rtl8139,macaddr=02:7E:61:38:f9:40 \
-net tap,vlan=0,script=/qemu-ifup-switch,downscript=no \
-m 4096 -smp 2 -soundhw ac97 -redir tcp:5000::22 -vnc :0 -usbdevice tablet -rtc-td-hack -cpu qemu64,+sse2 -no-kvm-pit-reinjection 



2. get meminfo
 systeminfo | find "Total Physical Memory"

3.
  
Actual results:
Memory size mismatch:
06:04:20 ERROR|     Assigned to VM: 4096
06:04:20 ERROR|     Reported by OS: 4095


Expected results:


Additional info:
xp, 08r2, win7 can get correct mem.

Comment 2 RHEL Program Management 2010-06-23 11:32:56 UTC

This request was evaluated by Red Hat Product Management for inclusion in a Red
Hat Enterprise Linux major release.  Product Management has requested further
review of this request by Red Hat Engineering, for potential inclusion in a Red
Hat Enterprise Linux Major release.  This request is not yet committed for
inclusion.

Comment 3 RHEL Program Management 2010-07-15 14:17:32 UTC

This issue has been proposed when we are only considering blocker
issues in the current Red Hat Enterprise Linux release. It has
been denied for the current Red Hat Enterprise Linux release.

** If you would still like this issue considered for the current
release, ask your support representative to file as a blocker on
your behalf. Otherwise ask that it be considered for the next
Red Hat Enterprise Linux release. **

Comment 5 Amit Shah 2010-11-10 11:30:37 UTC

This looks like an issue with the guest OS.  Where do the ERROR lines you quoted come from?  Does this behaviour result in any loss of functionality or other bug in the guest operation?

Comment 6 Suqin Huang 2010-11-22 07:52:25 UTC

run it with autotest script, get it from the test result.
the same result when issue: systeminfo | find "Total Physical Memory" cmd in guest.

doesn't result in loss  of functionality or other bug in the guest operation.

Comment 7 Amit Shah 2010-11-22 09:11:31 UTC

In that case I'm fairly certain it's a bug in the guest and we can close this bug.