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Bug 884425 - [virtio-win][performance]TCP RX Performance Regression in Windows XP guest running virtio-win-prewhql-49
Summary: [virtio-win][performance]TCP RX Performance Regression in Windows XP guest ru...
Keywords:
Status: CLOSED WONTFIX
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: virtio-win
Version: 6.4
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: rc
: ---
Assignee: Yvugenfi@redhat.com
QA Contact: Virtualization Bugs
URL:
Whiteboard:
Depends On: 713130 878442
Blocks:
TreeView+ depends on / blocked
 
Reported: 2012-12-06 08:42 UTC by Quan Wenli
Modified: 2013-07-25 00:39 UTC (History)
10 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2013-07-23 09:12:43 UTC
Target Upstream Version:
Embargoed:


Attachments (Terms of Use)

Comment 2 Xiaomei Gao 2012-12-14 07:25:53 UTC
hi, Yan
    
    Can you help check if the issue is reproductive bug with Bug #826596, if not, will it be modified before submitting the microsoft review?

Thanks

Comment 3 RHEL Program Management 2012-12-18 06:48:34 UTC
This request was not resolved in time for the current release.
Red Hat invites you to ask your support representative to
propose this request, if still desired, for consideration in
the next release of Red Hat Enterprise Linux.

Comment 4 Yvugenfi@redhat.com 2012-12-18 09:49:54 UTC
(In reply to comment #2)
> hi, Yan
>     
>     Can you help check if the issue is reproductive bug with Bug #826596, if
> not, will it be modified before submitting the microsoft review?
> 
> Thanks

Hi,

There will be no changes before WHQL.

Best regards.
Yan.

Comment 7 Yvugenfi@redhat.com 2013-04-21 08:20:07 UTC
Fixed by BZ#713130 and BZ#878442

Comment 8 Quan Wenli 2013-06-03 05:22:56 UTC
Hi, yan 

We still could see consistent RX performance degression in build-62 on winXP 32 bit guest with default property setting.

plese check "Category:TCP_STREAM (RX)" parts in following reuslts:

1. virtio-win-1.4.0 vs build-62 on under default setting 
http://kvm-perf.englab.nay.redhat.com/results/request/build-62/WinXP.i386.netperf_win.netperf_exe.default_setting.html

2. virtio-win-1.4.0 vs build-62 on under registry setting
http://kvm-perf.englab.nay.redhat.com/results/request/build-62/WinXP.i386.netperf_win.netperf_exe.best_registry_setting.html

Btw, notice that "OffloadRX.checksum /OffloadTx.checksum" are all disalbed by default in build-62 during our tests. Does it as expected?

Comment 13 Mike Cao 2013-06-28 05:18:48 UTC
Based on comment #8 ,re-assign this issue


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