Date: Wed, 16 Mar 2005 19:29:43 -0800 From: Jean Lagarde <jlagarde@bigfoot.com> To: freebsd-questions@freebsd.org Subject: Re: 5.3-release fine with 512MB RAM, reboots at times with 1.5GB (but no panic) Message-ID: <4238F9A7.5050000@bigfoot.com> In-Reply-To: <dc9ba04405031612286f51890f@mail.gmail.com> References: <4237A3A3.3040704@bigfoot.com> <dc9ba04405031612286f51890f@mail.gmail.com>
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Thanks to all who replied. So it seems the consensus is a likely hardware issue, and I am leaning that way as well now. I will try the suggestion about disabling ACPI however. To address some of the other comments, that exact CPU-mobo-memory configuration worked fine running Win2000 for many years, so I doubt it is the problem per se. Also, I did try the 1GB stick alone yesterday and it had similar symptoms as for 1.5 GB. I do know where to look for a panic message and there is none. About my running Win2000 on this hardware before, I would initially have thought that this made a hardware problem improbable, but I used to run the computer continually and I guess it's not impossible that there was a hardware degradation that was mitigated by the system staying warm all the time. The system was mothballed for a few months before my FreeBSD install, so the prolonged period at room temperature may have allowed some motherboard degradation to get worse. I was led to form that hypothesis because I noticed yesterday that there seems to be a relation with temperature: I ran burnP6 and crashme concurrently (both ran without problem with any memory configuration but I realize that neither of these two utilities necessarily stress the system in the way I need) and since they ran fine with the 1.5 GB in I tried to start KDE again (leaving the stress applications running) and it did bring everything up without rebooting. I stopped the system and let it cool down and KDE made the system reboot as before after a restart. I guess my next step will be to install chm or something like that to monitor the temperatures as the system runs, but anyway, it seems this is likely not a FreeBSD problem anymore, so I thank you all again for the suggestions and will continue troubleshooting the hardware. My immediate guess is either the CPU or motherboard. Oh yeah, I still wonder thought why "memtest all" only seemed to "find" 512MB of RAM, but I think it is a side issue at this time. Cheers, Jean
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