Date: Thu, 11 Aug 2016 22:51:42 -0700 From: Adrian Chadd <adrian@freebsd.org> To: David Wolfskill <david@catwhisker.org>, FreeBSD Net <freebsd-net@freebsd.org> Subject: Re: Panic in stable/11 (amd64) @r303903: page fault while in kernel mode Message-ID: <CAJ-Vmo=cnZvrT=c12xhOPHNtc%2Bs-02LBCvvxy8ENv157Qh4zTQ@mail.gmail.com> In-Reply-To: <20160812023744.GE1112@albert.catwhisker.org> References: <20160810165458.GB1112@albert.catwhisker.org> <570bda1e-d4d7-42dc-6037-7c321ba9e97d@FreeBSD.org> <CAJ-Vmon6Rak07ux%2BZX8ySnxkgn5Sv9Jtcus4SSv=J_sXTWQ%2BgQ@mail.gmail.com> <20160811234250.GC1112@albert.catwhisker.org> <CAJ-VmonLmpgV1Max-V2nZ5wi-RSa6rQ2QGaMQf6GO%2BS3XEF05g@mail.gmail.com> <20160812023744.GE1112@albert.catwhisker.org>
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[-- Attachment #1 --]
[snip]
#define IF_LLADDR(ifp) \
LLADDR((struct sockaddr_dl *)((ifp)->if_addr->ifa_addr))
it's because if_addr is NULL in your dump. God knows why that is! My
guess is we caught it in some stupid update window.
Ok, so what should we do for locking?
-adrian
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