Date: Tue, 10 Nov 2009 15:11:17 +0900 From: Jun Kuriyama <kuriyama@FreeBSD.org> To: Ed Schouten <ed@80386.nl> 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 Message-ID: <7mvdhigb96.wl%kuriyama@s2factory.co.jp> In-Reply-To: <20091110055910.GC64905@hoeg.nl> References: <200911090254.nA92sG1G005921@svn.freebsd.org> <20091109225244.GB64905@hoeg.nl> <7mbpjbgt0n.wl%kuriyama@s2factory.co.jp> <20091110055910.GC64905@hoeg.nl>
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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.
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