Date: Tue, 14 Dec 2010 15:03:45 GMT From: Hien <phanquochien@gmail.com> To: freebsd-gnats-submit@FreeBSD.org Subject: java/153150: [xen/ec2]disable checksum offloading on interface 'xn0' and enable it immediately caused network hang Message-ID: <201012141503.oBEF3jmn025391@red.freebsd.org> Resent-Message-ID: <201012141510.oBEFAAuQ032853@freefall.freebsd.org>
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>Number: 153150 >Category: java >Synopsis: [xen/ec2]disable checksum offloading on interface 'xn0' and enable it immediately caused network hang >Confidential: no >Severity: serious >Priority: low >Responsible: freebsd-java >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Tue Dec 14 15:10:10 UTC 2010 >Closed-Date: >Last-Modified: >Originator: Hien >Release: FreeBSD 9.0-CURRENT >Organization: >Environment: FreeBSD ip-10-122-163-59 9.0-CURRENT FreeBSD 9.0-CURRENT #68: Sun Dec 12 03:52:29 UTC 2010 root@chch.daemonology.net:/usr/obj/i386.i386/usr/src/sys/XEN i386 Running on Amazon EC2(ami-c01aeca9)! >Description: While I'm testing FreeBSD 9.0-CURRENT on EC2 ! When I try disable checksum offloading on interface 'xn0' and enable it immediately by below command it caused network hang: ifconfig xn0 -txcsum ifconfig xn0 txcsum Only network problem, everything is running (I used cronjob to test it) >How-To-Repeat: Disable checksum offloading on interface 'xn0' and enable it immediately >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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