Date: Mon, 6 Mar 2006 20:49:08 -0500 From: Kris Kennaway <kris@obsecurity.org> To: JoaoBR <joao@matik.com.br> Cc: freebsd-amd64@freebsd.org Subject: Re: SMP and IP_PREEMPTION Message-ID: <20060307014908.GA57241@xor.obsecurity.org> In-Reply-To: <200603061555.18613.joao@matik.com.br> References: <200603061349.32133.joao@matik.com.br> <200603061238.51592.jhb@freebsd.org> <200603061555.18613.joao@matik.com.br>
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[-- Attachment #1 --] On Mon, Mar 06, 2006 at 03:55:18PM -0300, JoaoBR wrote: > On Monday 06 March 2006 14:38, John Baldwin wrote: > > On Monday 06 March 2006 11:49, JoaoBR wrote: > > > > > > I experience sudden reboot, no panic, no message at all on SMP systems > > > (releng_6 up-to-date) when the kernel is compiled with > > > > > > > > > I am not so sure but appearently the problem is less with ULE and seems > > > to disappear with ULE and without IPI_PREEMPTION and the system runs up > > > to almost 4Gb normally. > > > > > > > > I'm not aware of the problem, but I don't think IPI_PREEMPTION has been > > widely tested yet. > > ok, do you think that wrong function could cause a silent reboot, not even > "crash" in last output? Yes. Kris [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2.1 (FreeBSD) iD8DBQFEDOaUWry0BWjoQKURAiK9AKDiMIaPJGribCMGjasqjRSEIoYuOgCeNR1D 2UOSrvIkqrBGgjrlNDhYMuY= =WSoC -----END PGP SIGNATURE-----home | help
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