Date: Tue, 27 Dec 2005 22:38:03 -0700 (MST) From: "M. Warner Losh" <imp@bsdimp.com> To: mph@lima.dyndns.dk Cc: freebsd-current@freebsd.org Subject: Re: if_dc.c causes page fault while in kernel mode; coredump; reproducible Message-ID: <20051227.223803.77258153.imp@bsdimp.com> In-Reply-To: <20051228002430.GA27330@echobase.hoth.dk> References: <20051224235153.GA46187@echobase.hoth.dk> <20051227001229.GF1496@FreeBSD.org> <20051228002430.GA27330@echobase.hoth.dk>
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In message: <20051228002430.GA27330@echobase.hoth.dk>
"Martin P. Hansen" <mph@lima.dyndns.dk> writes:
: On Tue, 27 Dec 2005, Gleb Smirnoff wrote:
: > please try out the attached patch.
:
: It works. Thank you very much.
:
: Just of curiosity, why is the NIC still active when the system shuts
: down? I mean is the ``IFF_DRV_RUNNING'' _the_ method to stop an
: interface?
Just because an interface has been stopped, doesn't mean that its ISR
won't be called because another (shared) interrupt happens.
: I though in a simple setup one would disable the devices when
: shutting down by disabling interrupts or raising the interrupt
: priority level.
Without shared interrupts, one can usually get away with this...
Warner
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