Date: Wed, 13 Dec 2006 16:10:39 +0100 From: Andrea Venturoli <ml.diespammer@netfence.it> To: freebsd-questions@freebsd.org Cc: Kris Kennaway <kris@obsecurity.org> Subject: Re: 6.x hangs on AMD64 again Message-ID: <458017EF.5070808@netfence.it> In-Reply-To: <4565812E.6060604@netfence.it> References: <83083882-E193-445F-AF3D-E3ECD1E243B1@hughes.net> <20061111063049.GA81772@xor.obsecurity.org> <608516EC-BBD0-40E7-A773-2E8056981FAA@hughes.net> <20061111195632.GA8718@xor.obsecurity.org> <4565812E.6060604@netfence.it>
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Andrea Venturoli wrote: > I think I'm having the same problems. > I'm running 6.1(latest patch set)/amd64 on a dual-core Opteron Acer > server with SCSI disks and it is hanging completely and suddenly. > Checking the hardware was the first thing I did, but it really seems ok > (unless it's the second core on the processor). I checked, among the > others: the HDs with the vendor's tools, RAM with MemTest86+ and the CPU > with different stress tools. If anyone can suggest other diagnostics > I'd be happy to comply. > I compiled the kernel with debug info, but that's totally useless, since > it won't dump anything, just hang there; I don't think even DDB would > help, since even the keyboard is not working at that time. If I'm > missing something, I'd be glad to be directed to any pointer. > The box features an em NIC on board, but since it shows a lot of > problems, I removed that driver from the kernel (it's not possible to > turn it off in the BIOS, though) and put in a different add-on card. I > had some shared IRQs, but managed to solve that issue (even if I think > it should not matter). > Next, I'll try to disable SMP as soon as I can and see if it helps. > > Of course upgrading to 6.2 should be attempted, but since this is a > production server and 6.2 is still at RC1... This is just to say that, since SMP was disabled, I've had no problems at all. Not that I like using UP on an x2 CPU... bye & Thanks av.
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