Date: Wed, 21 Oct 1998 10:20:01 +0200 From: sthaug@nethelp.no To: Tor.Egge@fast.no Cc: freebsd-current@FreeBSD.ORG, freebsd-hardware@FreeBSD.ORG Subject: Re: Problems with Digital server with P-166 and Neptune chipset Message-ID: <11701.908958001@verdi.nethelp.no> In-Reply-To: Your message of "Wed, 21 Oct 1998 06:05:06 %2B0200" References: <199810210405.GAA07127@midten.fast.no>
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> > I now have some more info. Built a kernel with debug info, built an aout > > gdb. I have two identical machines running 3.0-RELEASE now, and both of > > them are crashing the same way (page fault in kernel mode) and in the > > same place (the zalloc inline routine in vm/vm_zone.h). ... > Looking at you dmesg output (from an earlier message), I find > > real memory = 269221888 (262912K bytes) > > instead of the expected > > real memory = 268435456 (262144K bytes) > > which indicates that the speculative memory probe stopped at 0x0100C0000, > i.e. at the end of aliased VGA memory. Yes, that was indeed the problem. Adding a suitable MAXMEM, as suggested, cured it. And I learned something about kernel debugging. Thanks a lot! Steinar Haug, Nethelp consulting, sthaug@nethelp.no To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hardware" in the body of the message
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