Date: Sun, 10 Apr 2005 15:15:36 -0700 (PDT) From: Doug White <dwhite@gumbysoft.com> To: "Wilhelm B. Kloke" <wb@arb-phys.uni-dortmund.de> Cc: freebsd-current@freebsd.org Subject: Re: Potential source of interrupt aliasing Message-ID: <20050410151401.O82708@carver.gumbysoft.com> In-Reply-To: <slrnd5hrd2.1co6.wb@yorikke.arb-phys.uni-dortmund.de> References: <20050406233405.O47071@carver.gumbysoft.com> <200504081656.51917.jhb@FreeBSD.org> <slrnd5hrd2.1co6.wb@yorikke.arb-phys.uni-dortmund.de>
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On Sun, 10 Apr 2005, Wilhelm B. Kloke wrote: > Doug White <dwhite@gumbysoft.com> schrieb: > > On Fri, 8 Apr 2005, John Baldwin wrote: > > > > For fun, I put together this one-liner to at least test the theory: > > > > http://people.freebsd.org/~dwhite/intr_machdep.c.20050409.patch > > As I have found a problem which could be related to this, I tried your patch. > For my problems, it made things not better, possibly worse. Don't use my patch. It will cause lockups under load. I suspect that the underlying issue is related to storming issues in PIC mode, but I'd rather try to fix it in APIC mode first. -- Doug White | FreeBSD: The Power to Serve dwhite@gumbysoft.com | www.FreeBSD.org
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