Date: Sat, 19 Aug 2000 16:52:16 -0700 (PDT) From: John Polstra <jdp@polstra.com> To: current@freebsd.org Cc: bmilekic@technokratis.com, dwmalone@freebsd.org Subject: Re: (URGENT) Instant panic in _MEXT_ALLOC_CNT Message-ID: <200008192352.QAA15880@vashon.polstra.com> In-Reply-To: <000501c00a34$dfd43f20$71cbc918@jehovah> References: <XFMail.000819152111.jdp@polstra.com> <000501c00a34$dfd43f20$71cbc918@jehovah>
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In article <000501c00a34$dfd43f20$71cbc918@jehovah>,
Bosko Milekic <bmilekic@technokratis.com> wrote:
>
> Hrmmm, there may be a logic problem here. Try this (apply it manually,
> as I am not able to produce a diff at this time):
>
> change:
>
> if ((__mcnt == NULL) && (m_alloc_ref(1) == 0))
> panic("mbuf subsystem: out of ref counts!");
>
> to:
>
> if (__mcnt == NULL) {
> if (m_alloc_ref(1) != 0)
> __mcnt = mext_refcnt_free;
> else
> panic("mbuf subsystem: out of ref counts!");
> }
>
> It could be that the m_alloc_ref(1) doesn't fail, but that __mcnt
> is still NULL, it's missing that __mcnt = mext_refcnt_free assignment.
> This is most probably a BUG, so please commit the fix...
That fixed it. Thanks for the quick reply!
I have committed the fix just now.
John
--
John Polstra jdp@polstra.com
John D. Polstra & Co., Inc. Seattle, Washington USA
"Disappointment is a good sign of basic intelligence." -- Chögyam Trungpa
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