Date: Tue, 27 Sep 2011 15:44:05 +0200 From: Attilio Rao <attilio@freebsd.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r225794 - head/sys/kern Message-ID: <CAJ-FndBKOZrEbNJ6JvwK%2Bioda2-a33PD5dhrNfVo_viAXFUROw@mail.gmail.com> In-Reply-To: <201109271342.p8RDgBIx025993@svn.freebsd.org> References: <201109271342.p8RDgBIx025993@svn.freebsd.org>
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2011/9/27 Attilio Rao <attilio@freebsd.org>: > Author: attilio > Date: Tue Sep 27 13:42:11 2011 > New Revision: 225794 > URL: http://svn.freebsd.org/changeset/base/225794 > > Log: > =C2=A0Revert r225372: > =C2=A0wdog_kern_pat() acquires eventhandler mutex, thus it cannot work in > =C2=A0kernel context (from where kdb_trap() runs). > > =C2=A0The right way to fix this is both offering the > =C2=A0cpu-stop-on-panic-and-skip-locking logic and also a context for KDB > =C2=A0to officially run. We can re-enable this (or a similar) improvement > =C2=A0when these 2 patches hit the tree. > > =C2=A0Sponsored by: Sandvine Incorporated > =C2=A0Discussed with: =C2=A0 =C2=A0 =C2=A0 emaste, rstone > =C2=A0MFC after: =C2=A0 =C2=A0immediately Forgot to mention: Reported by: pho Attilio --=20 Peace can only be achieved by understanding - A. Einstein
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