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Date: Sun, 18 Aug 2013 22:59:35 GMT
From: Joe Holden <joe@rewt.org.uk>
To: freebsd-gnats-submit@FreeBSD.org
Subject: SMP & USB hangs >254024 for mips64/octeon
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>Number:         181386
>Category:       kern
>Synopsis:       SMP & USB hangs >254024 for mips64/octeon
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    kib
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sun Aug 18 23:00:00 UTC 2013
>Closed-Date:    
>Last-Modified:  Mon Aug 19 12:50:00 UTC 2013
>Originator:     Joe Holden
>Release:        HEAD
>Organization:
Pseudo Networks Limited
>Environment:
FreeBSD 10.0-CURRENT (OCTEON-ERL-RTR) #11 r254024: Sun Aug 18 23:44:11 BST 2013
>Description:
Post 254024 the vmem changes cause both SMP and USB to hang during boot - thread here: http://lists.freebsd.org/pipermail/freebsd-mips/2013-August/002975.html

In summary:

* 254025 with SMP enabled (coremask=0x3) the kernel hangs after ULE setup
* 254025 with SMP disabled the kernel hangs after beginning USB setup:

usbus0: 480Mbps High Speed USB v2.0 (sometimes followed by another line/device eg lo0: bpf attached)
>How-To-Repeat:

>Fix:


>Release-Note:
>Audit-Trail:
Responsible-Changed-From-To: freebsd-bugs->kib 
Responsible-Changed-By: linimon 
Responsible-Changed-When: Mon Aug 19 01:00:09 UTC 2013 
Responsible-Changed-Why:  
over to committer of 254024. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=181386 

From: Joe Holden <joe@rewt.org.uk>
To: bug-followup@FreeBSD.org, joe@rewt.org.uk
Cc:  
Subject: Re: kern/181386: SMP &amp; USB hangs &gt;254024 for mips64/octeon
Date: Mon, 19 Aug 2013 13:40:47 +0100

 May not have been clear enough - the problem commit is 254025 (as in, 
 254024 works, 254025 is broken)
 
 Cheers,
 Joe
>Unformatted:
