Date: Mon, 12 Dec 2005 15:43:31 -0800 From: Atanas <atanas@asd.aplus.net> To: Ronald Klop <ronald-freebsd8@klop.yi.org>, freebsd-stable@freebsd.org Subject: Re: 6.0 random freezes Message-ID: <439E0B23.3060304@asd.aplus.net> In-Reply-To: <op.s1owjw158527sy@outgoing.local> References: <439DE88B.1090407@asd.aplus.net> <op.s1owjw158527sy@outgoing.local>
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Ronald Klop said the following on 12/12/05 13:27: > > What happens if you set one of these sysctl values to 0? (This disables > SMP changes from 5.4 to 6.0.) > debug.mpsafevfs: 1 > debug.mpsafenet: 1 > debug.mpsafevm: 1 > Thanks for the suggestion! I just did so and rebooted both machines, so we'll see. I remember unseting debug.mpsafenet before 5.4 due to some ipfw limitations, but didn't know about the other two. > And is there a possibility (performance-wise) to build a kernel with > WITNESS and/or INVARIANTS options compiled in. This will give more info > about possible locking problems. Your system will run slower. And > because of this the problem may not occur anymore, but it is worth the > try. > Both machines are not much loaded, so I could afford slowing them down a bit for a while (I hope it won't be several times slower). I will do that at some point later if the problem still persists. I hope I won't be forced to downgrade to 5.4, though I'm already working on that (just in case). Regards, Atanas
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