From owner-freebsd-net@FreeBSD.ORG  Thu Feb 21 22:20:01 2013
Return-Path: <owner-freebsd-net@FreeBSD.ORG>
Delivered-To: freebsd-net@smarthost.ysv.freebsd.org
Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115])
 by hub.freebsd.org (Postfix) with ESMTP id 714EB166
 for <freebsd-net@smarthost.ysv.freebsd.org>;
 Thu, 21 Feb 2013 22:20:01 +0000 (UTC)
 (envelope-from gnats@FreeBSD.org)
Received: from freefall.freebsd.org (freefall.freebsd.org
 [IPv6:2001:1900:2254:206c::16:87])
 by mx1.freebsd.org (Postfix) with ESMTP id 60C027D
 for <freebsd-net@smarthost.ysv.freebsd.org>;
 Thu, 21 Feb 2013 22:20:01 +0000 (UTC)
Received: from freefall.freebsd.org (localhost [127.0.0.1])
 by freefall.freebsd.org (8.14.6/8.14.6) with ESMTP id r1LMK1G6043510
 for <freebsd-net@freefall.freebsd.org>; Thu, 21 Feb 2013 22:20:01 GMT
 (envelope-from gnats@freefall.freebsd.org)
Received: (from gnats@localhost)
 by freefall.freebsd.org (8.14.6/8.14.6/Submit) id r1LMK1hS043509;
 Thu, 21 Feb 2013 22:20:01 GMT (envelope-from gnats)
Date: Thu, 21 Feb 2013 22:20:01 GMT
Message-Id: <201302212220.r1LMK1hS043509@freefall.freebsd.org>
To: freebsd-net@FreeBSD.org
Cc: 
From: John Baldwin <jhb@freebsd.org>
Subject: Re: kern/172113: [panic] [e1000] [patch] 9.1-RC1/amd64 panices in
 igb(4): m_getjcl: invalid cluster type
X-BeenThere: freebsd-net@freebsd.org
X-Mailman-Version: 2.1.14
Precedence: list
Reply-To: John Baldwin <jhb@freebsd.org>
List-Id: Networking and TCP/IP with FreeBSD <freebsd-net.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-net>,
 <mailto:freebsd-net-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-net>
List-Post: <mailto:freebsd-net@freebsd.org>
List-Help: <mailto:freebsd-net-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-net>,
 <mailto:freebsd-net-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 21 Feb 2013 22:20:01 -0000

The following reply was made to PR kern/172113; it has been noted by GNATS.

From: John Baldwin <jhb@freebsd.org>
To: bug-followup@freebsd.org,
 egrosbein@rdtc.ru
Cc:  
Subject: Re: kern/172113: [panic] [e1000] [patch] 9.1-RC1/amd64 panices in igb(4): m_getjcl: invalid cluster type
Date: Thu, 21 Feb 2013 17:12:55 -0500

 An update on this.  I think we should just use a workaround as this seems to 
 be specific to a certain set of motherboards.  This is the fix I'm using 
 locally:
 
 Index: if_igb.c
 ===================================================================
 --- if_igb.c    (revision 243732)
 +++ if_igb.c    (working copy)
 @@ -1522,6 +1522,15 @@
         u32             newitr = 0;
         bool            more_rx;
  
 +       /*
 +        * The onboard adapters on certain SuperMicro X8* boards
 +        * trigger a spurious interrupt during boot.  Since it
 +        * occurs before the interface is fully configured it
 +        * triggers a panic.  Ignore the interrupt instead.
 +        */
 +       if (!(adapter->ifp->if_drv_flags & IFF_DRV_RUNNING))
 +               return;
 +
         E1000_WRITE_REG(&adapter->hw, E1000_EIMC, que->eims);
         ++que->irqs;
 
 -- 
 John Baldwin