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Date:      Sat, 3 Aug 2002 02:14:37 -0400
From:      "Peter C. Lai" <sirmoo@cowbert.2y.net>
To:        freebsd-stable@freebsd.org
Subject:   panic: CMAP busy returned?
Message-ID:  <20020803021437.A20015@cowbert.2y.net>

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For a long while now (since 4.4), I have experienced random reboots while
compiling large things (such as world). I always attributed it to 
bad ram, but i just put a stick of brand new crucial in today, and 
decided to do some major i/o testing. It ran ok for a while, and then
spontaneously rebooted.

On my Fbsd 4.6.1-R-p7 box with 384mb ram, k62-400, via mvp3 chipset,
I was compiling a kernel and mod-php4 at the same time. The kernel
panic'd with a 'panic: (something): CMAP Busy'
I didn't notice the panic until just when it was going to reboot,
so I don't know what the (something) was. 
I looked at some mailng list archives and found a closed PR from
3.0-R regarding this.
It is difficult for me to notice the panic(s) because I usually
remotely admin the box; it just happened that I was doing this
onsite and had access to the console.

I don't know how to trace a kernel, but if someone would like more
information, feel free to contact me about doing this; it would be
nice to know if I should submit a PR at this point.
Also please CC: me as I am not subscribed to -stable

Thanks.
pete
-- 
Peter C. Lai
University of Connecticut
Dept. of Molecular and Cell Biology | Undergraduate Research Assistant
Yale University School of Medicine
Center for Medical Informatics | Research Assistant
http://cowbert.2y.net/


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