Date: Tue, 3 Oct 2006 22:24:53 -0700 From: David G Lawrence <dg@dglawrence.com> To: Scott Long <scottl@samsco.org> Cc: freebsd-stable@freebsd.org, John Marshall <John.Marshall@riverwillow.com.au> Subject: Re: Watchdog Timeout - bge devices Message-ID: <20061004052453.GO17642@tnn.dglawrence.com> In-Reply-To: <45234418.7000205@samsco.org> References: <9F7B653A50CF3D45A92C05401046239B0E0C27@rwsrv06.rw2.riverwillow.net.au> <45234418.7000205@samsco.org>
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> Very interesting data point. I wonder if this accounts for some of the > inconsistency in the reporting from others. In any case, SCHED_ULE is > still considered to be highly experimental. Hopefully it will get some > more attention in the near future to bring it closer to production > quality. I'm not using SCHED_ULE on any of the machines that I'm seeing the timeout problem with em and fxp devices. I suspect the problem has to do with interrupt thread scheduling; maybe SCHED_ULE just somehow makes the problem worse? -DG David G. Lawrence President Download Technologies, Inc. - http://www.downloadtech.com - (866) 399 8500 The FreeBSD Project - http://www.freebsd.org Pave the road of life with opportunities.
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