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Date:      Sat, 27 Mar 2004 23:05:25 -0800 (PST)
From:      Jeff Stohl <spssmt@hotmail.com>
To:        freebsd-gnats-submit@FreeBSD.org
Subject:   kern/64831: Multiple em devices force system lockup (em0 and em1)
Message-ID:  <200403280705.i2S75P7L084412@www.freebsd.org>
Resent-Message-ID: <200403280710.i2S7AL13072467@freefall.freebsd.org>

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>Number:         64831
>Category:       kern
>Synopsis:       Multiple em devices force system lockup (em0 and em1)
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sat Mar 27 23:10:21 PST 2004
>Closed-Date:
>Last-Modified:
>Originator:     Jeff Stohl
>Release:        5.2.1 CVS Current
>Organization:
Individual
>Environment:
FreeBSD demo.xn.com 5.2-CURRENT FreeBSD 5.2-CURRENT #0: Sat Mar 27 22:34:27 PST 2004     root@demo.xn.com:/usr/src/sys/i386/compile/xn  i386
>Description:
Utilizing the MSI P1-102A2M 1u server with two integrated Gigabit ports (1 x Intel 82541 and 1 x Intel 82547) only allows one port to be in use at a time. If both ports are utilized the system will hangup and force a rise in CPU percent. The system becomes almost instantly unavailable over the network.

Utilizing either em0 or em1 individually works without error.

root      21  0.0  0.0     0   12  ??  WL   10:48PM   0:00.00  (irq11: em0)
root      33  0.0  0.0     0   12  ??  WL   10:48PM   0:00.07  (irq23: em1)




>How-To-Repeat:
Cable both network ports and bring both interfaces to up status.
>Fix:
None known
>Release-Note:
>Audit-Trail:
>Unformatted:


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