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Date:      Fri, 20 Jan 2006 19:47:37 +0900
From:      Pyun YongHyeon <pyunyh@gmail.com>
To:        Robert Watson <rwatson@FreeBSD.org>
Cc:        current@FreeBSD.org
Subject:   Re: mbuf cluster leak on CURRENT?
Message-ID:  <20060120104737.GD48366@rndsoft.co.kr>
In-Reply-To: <20060120101241.O52145@fledge.watson.org>
References:  <20060120051810.GB48366@rndsoft.co.kr> <20060120101241.O52145@fledge.watson.org>

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On Fri, Jan 20, 2006 at 10:28:02AM +0000, Robert Watson wrote:
 > 
 > On Fri, 20 Jan 2006, Pyun YongHyeon wrote:
 > 
 > >While fixing sk(4) driver issues I'm seeing these mbuf cluster leaks on 
 > >sparc64/i386. Both machines are SMP.
 > 
 > There is at least one known problem with MBUMA's handling of allocating and 
 > freeing {mbuf,cluster} pairs, and it is triggered frequently by recent 
 > changes to cluster allocation.  We need to fix this problem before 7.0, but 
 > I've been on vacation for the last month and not had a chance to dig in.  I 
 > hope to address it this spring, but it requires significantly re-thinking 
 > of how UMA interacts with mbufs.  Probably not a huge code change, but will 
 > have to be carefully thought out.
 > 
 > Robert N M Watson
 > 
Thank you for the info. I look forward to seeing your fix.

-- 
Regards,
Pyun YongHyeon



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