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Date: Sat, 22 Sep 2012 16:09:30 GMT
From: Mark van Dijk <mark+freebsdpr@internecto.net>
To: freebsd-gnats-submit@FreeBSD.org
Subject: [xen] xn network device floods warning in dmesg
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>Number:         171873
>Category:       kern
>Synopsis:       [xen] xn network device floods warning in dmesg
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-xen
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sat Sep 22 16:10:03 UTC 2012
>Closed-Date:    
>Last-Modified:  Fri Oct 05 03:39:52 UTC 2012
>Originator:     Mark van Dijk
>Release:        9.1-PRERELEASE
>Organization:
>Environment:
Xen 4.2 stable, most recent FreeBSD (using stable csupfile)
>Description:
The Xen networking device (xn0) is available when the XENHVM kernel has been compiled. The following message is flooded to dmesg:

xn_txeof: WARNING: response is -1!

I don't notice any degraded network performance.

The following options are enabled (and should be supported by Xen):
options=503<RXCSUM,TXCSUM,TSO4,LRO>


>How-To-Repeat:

>Fix:
Not sure if it is even a problem. Maybe the warning should just be removed.

>Release-Note:
>Audit-Trail:
Responsible-Changed-From-To: freebsd-bugs->freebsd-xen 
Responsible-Changed-By: linimon 
Responsible-Changed-When: Fri Oct 5 03:39:42 UTC 2012 
Responsible-Changed-Why:  
Over to maintainer(s). 

http://www.freebsd.org/cgi/query-pr.cgi?pr=171873 
>Unformatted:
