Date: Mon, 2 Aug 2004 15:32:52 -0400 From: John Baldwin <jhb@FreeBSD.org> To: freebsd-smp@FreeBSD.org Cc: freebsd-questions@FreeBSD.org Subject: Re: FreeBSD 5.2.1 kernel w/ SMP under high load = panic Message-ID: <200408021532.52817.jhb@FreeBSD.org> In-Reply-To: <50335.81.84.175.12.1091365736.squirrel@81.84.175.12> References: <50335.81.84.175.12.1091365736.squirrel@81.84.175.12>
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On Sunday 01 August 2004 09:08 am, Hugo Silva wrote: > I am running a Dual Xeon 2.8ghz w/ SMP, SCHED_ULE on FreeBSD > 5.2.1-RELEASE-p9. > > Whenever I load the server a bit more (let seti@home run, compile stuff in > multiple jails, etc), it will simple go offline. I confirmed with the > datacenter and it is indeed a panic, but the datacenter didn't give me the > panic message. I know for *sure* it's because of the high loads. Hmm, we'd really need the panic message to even start debugging it. > I need to sort this out, this is a powerful server being cut because of > FreeBSD/SMP, and I know there is a kernel option to prevent the panic, I > read about it ages ago on a forum. But I can't locate it. That user said > if he disabled SMP, panics would stop. But another user suggested adding a > kernel option (which I simply don't remember), and panics stopped, even > with SMP. > > I tried KVA_PAGES=512, but it only caused another panic, this time as soon > as the system started up.. > > syncing disks, buffers remaining... panic: pmap_invalidate_range: > interrupts disabled > cpuid = 0; > boot() called on cpu#0 > uptime: 9s Unfortunately, I'd really need the backtrace to see how to fix this panic. -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org
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