Date: Mon, 03 May 1999 19:46:54 -0700 From: "Reginald S. Perry" <reggie@lambdawerks.org> To: Mike Smith <mike@smith.net.au> Cc: smp@FreeBSD.ORG Subject: Re: Slow SMP Message-ID: <199905040246.TAA04218@trane.lambdawerks.org> In-Reply-To: Message from Mike Smith <mike@smith.net.au> of "Fri, 30 Apr 1999 15:18:39 PDT." <199904302218.PAA01213@dingo.cdrom.com>
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Could these changes have created problems? I cannot boot an SMP kernel
now. I get a page fault while in kernel mode immediately after CPU 1
launches. It happens at this point:
mem_range_AP_init+0x8: cmpl $0, 0x8(%eax)
I am running a Tyan TomcatIII dual board. My kernel from April 24th
would at least boot. I was setting up to make the machine panic so
that I could send reports about panic problems when messing with
netscape and lockups when I rm -rf /usr/ports and /usr/src and check
them out again in two seperate windows in X. For example:
cd /usr/src; rm -rf ./*; cd ..; cvs -d /home/ncvs checkout src
and the same thing for /usr/ports would lockup the machine with an SMP
kernel. This does not happen when I build a UP kernel.
If you need more info, let me know and I will try to produce.
-Reggie
>"Mike" == Mike Smith <mike@smith.net.au> writes:
> Ok, this looks like it should do the trick.
> ------- Forwarded Message
> From: Mike Smith <msmith@FreeBSD.org> Date: Fri, 30 Apr 1999
> 15:09:47 -0700 (PDT) To: cvs-committers@FreeBSD.org,
> cvs-all@FreeBSD.org Subject: cvs commit: src/sys/i386/i386
> i686_mem.c mem.c mp_machdep.c src/sys/sys memrange.h
> msmith 1999/04/30 15:09:46 PDT
> Modified files: sys/i386/i386 i686_mem.c mem.c mp_machdep.c
> sys/sys memrange.h Log: Add a hook that can be called to initialise
> a slave processor's memory range attributes after they have been
> extracted from the master.
> Hook up the i686 MP code to do this for each AP.
> Be more careful about printing the default memory type for the
> i686.
> Suggestions from: luoqi
> Revision Changes Path 1.2 +49 -18 src/sys/i386/i386/i686_mem.c
> 1.57 +7 -1 src/sys/i386/i386/mem.c 1.99 +4 -1
> src/sys/i386/i386/mp_machdep.c 1.2 +2 -0 src/sys/sys/memrange.h
> ------- End of Forwarded Message
> -- \\ Sometimes you're ahead, \\ Mike Smith \\ sometimes you're
> behind. \\ mike@smith.net.au \\ The race is long, and in the \\
> msmith@freebsd.org \\ end it's only with yourself. \\
> msmith@cdrom.com
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