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Date: Tue, 10 Nov 2009 15:11:17 +0900
Message-ID: <7mvdhigb96.wl%kuriyama@s2factory.co.jp>
From: Jun Kuriyama <kuriyama@FreeBSD.org>
To: Ed Schouten <ed@80386.nl>
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Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org,
	src-committers@freebsd.org, Jun Kuriyama <kuriyama@FreeBSD.org>
Subject: Re: svn commit: r199067 - in head/sys: amd64/amd64 i386/i386
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At Tue, 10 Nov 2009 06:59:11 +0100,
ed@80386.nl wrote:
> > (1) On MacBook, lock up occured on real hardware?  Not on hypervisor?
> 
> Nope. The MacBook does use Apple's Boot Camp, but I can't say whether
> that can be considered to be a hypervisor. What happens, is that the
> system just locks up after probing all the device. It doesn't mount the
> root device anymore.

Hmm, I think Boot Camp is not hypervisor, and should be treated as
real hardware.  Which architecture (i386/amd64) you are using?

> > (2) On both system, is there no problem before this commit?
> 
> I bisected it and the revision before this one does boot. I'll
> experiment with the tunables this afternoon. I really had to get some
> sleep last night, so I couldn't investigate it any further.

You can try with hw.clflush_disable="1" in loader.conf.  If you can
boot with it, I must be mistaken something (anyway its my fault).

Can you show me CPUID line at boot message (of course from the kernel
you can boot) like this?

> CPU: Dual-Core AMD Opteron(tm) Processor 2210 (1800.07-MHz K8-class CPU)
>   Origin = "AuthenticAMD"  Id = 0x40f12  Stepping = 2
>   Features=0x178bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2,HTT>
>   Features2=0x2001<SSE3,CX16>
>   AMD Features=0xea500800<SYSCALL,NX,MMX+,FFXSR,RDTSCP,LM,3DNow!+,3DNow!>


-- 
Jun Kuriyama <kuriyama@FreeBSD.org> // FreeBSD Project
         <kuriyama@s2factory.co.jp> // S2 Factory, Inc.