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From: Sergey <cy6erGn0m@gmail.com>
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Subject: kern/156493: Marvell Yukon 2 device works only few seconds
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>Number:         156493
>Category:       kern
>Synopsis:       Marvell Yukon 2 device works only few seconds
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Apr 19 09:30:09 UTC 2011
>Closed-Date:
>Last-Modified:
>Originator:     Sergey
>Release:        FreeBSD 8.2
>Organization:
>Environment:
FreeBSD 8.2  amd64 
>Description:
I've installed FreeBSD 8.2 to my laptop with Marvell Yukon 2 network adapeter. This device is handled by module if_msk. Unfortunately device works only few seconds and then data can't be received.

I tried to debug driver and found the following: when interrupt happens the event's ring checked but it does not contains event about RX so it looks like device thinks that it has no space to read any more or something somewhere disabled but I can't find where.


>How-To-Repeat:
Just use network interface about a second. For example, connect with DHCP and try to ping for a few seconds
>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted: