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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