Date: Mon, 19 Dec 2011 16:09:22 -0800 From: Sean Bruno <seanbru@yahoo-inc.com> To: Colin Percival <cperciva@freebsd.org> Cc: "xen@freebsd.org" <xen@freebsd.org>, Alan Cox <alc@rice.edu> Subject: Re: PV i386 patch Message-ID: <1324339762.3093.14.camel@hitfishpass-lx.corp.yahoo.com> In-Reply-To: <4EED4982.3080208@freebsd.org> References: <4EEB9CCE.6090701@rice.edu> <1324169806.3093.3.camel@hitfishpass-lx.corp.yahoo.com> <4EED4982.3080208@freebsd.org>
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On Sat, 2011-12-17 at 18:01 -0800, Colin Percival wrote:
> On 12/17/11 16:56, Sean Bruno wrote:
> > This seems happy on our ref9 VMs. I don't suppose this means I can go
> > above 768M of Ram now?
>
> Can't hurt to try... whatever the problem is with our code and large
> amounts of RAM, the fact that it's an insta-panic during paging setup
> suggests that it's something at a similar level of fail.
>
Nope, insta panic ... early though. 768M works, 1024M panics.
[root@xen1 sbruno]# /usr/sbin/xm create -c ref9-xen32
Using config file "/etc/xen/ref9-xen32".
Started domain ref9-xen32 (id=109)
WARNING: loader(8) metadata is missing!
GDB: no debug ports present
KDB: debugger backends: ddb
KDB: current backend: ddb
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FreeBSD 9.0-PRERELEASE #0: Sat Dec 17 16:13:02 PST 2011
sbruno@ref9-xen32.freebsd.org:/dumpster/scratch/sbruno-scratch/9/sys/i386/compile/XEN i386
WARNING: WITNESS option enabled, expect reduced performance.
panic: pmap_init: page table page is out of range
cpuid = 0
KDB: enter: panic
[ thread pid 0 tid 0 ]
Stopped at 0xc0181d7a: movl $0,0xc0478174
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