From mboxrd@z Thu Jan  1 00:00:00 1970
From: Gleb Natapov <gleb@redhat.com>
Subject: Re: FreeBSD-amd64 fails to start with SMP on quemu-kvm
Date: Wed, 9 Jan 2013 12:15:40 +0200
Message-ID: <20130109101540.GC700@redhat.com>
References: <50EB0232.4090003@semihalf.com>
 <20130107230028.GE1139@amt.cnet>
 <50EC856F.7030905@semihalf.com>
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Cc: Marcelo Tosatti <mtosatti@redhat.com>, kvm@vger.kernel.org
To: Artur Samborski <sam@semihalf.com>
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On Tue, Jan 08, 2013 at 09:45:35PM +0100, Artur Samborski wrote:
> W dniu 08.01.2013 00:00, Marcelo Tosatti pisze:
> >On Mon, Jan 07, 2013 at 06:13:22PM +0100, Artur Samborski wrote:
> >>Hello,
> >>
> >>When i try to run FreeBSD-amd64 on more than 1 vcpu in quemu-kvm
> >>(Fedora Core 17) eg. to run FreeBSD-9.0-RELEASE-amd64 with:
> >>
> >>qemu-kvm -m 1024m -cpu host -smp 2 -cdrom
> >>/storage/iso/FreeBSD-9.0-RELEASE-amd64-dvd1.iso
> >>
> >>it freezes KVM with:
> >>
> >>KVM internal error. Suberror: 1
> >>emulation failure
> >>RAX=ffffffff80b0d4c0 RBX=000000000009f000 RCX=00000000c0000080
> >>RDX=0000000000000000
> >>RSI=000000000000d238 RDI=0000000000000000 RBP=0000000000000000
> >>RSP=0000000000000000
> >>R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000000
> >>R11=0000000000000000
> >>R12=0000000000000000 R13=0000000000000000 R14=0000000000000000
> >>R15=0000000000000000
> >>RIP=000000000009f076 RFL=00010086 [--S--P-] CPL=0 II=0 A20=1 SMM=0 HLT=0
> >>ES =0000 0000000000000000 0000ffff 0000f300 DPL=3 DS16 [-WA]
> >>CS =0008 0000000000000000 00000000 00209900 DPL=0 CS64 [--A]
> >>SS =9f00 000000000009f000 0000ffff 0000f300 DPL=3 DS16 [-WA]
> >>DS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]
> >>FS =0000 0000000000000000 0000ffff 0000f300 DPL=3 DS16 [-WA]
> >>GS =0000 0000000000000000 0000ffff 0000f300 DPL=3 DS16 [-WA]
> >>LDT=0000 0000000000000000 0000ffff 00008200 DPL=0 LDT
> >>TR =0000 0000000000000000 0000ffff 00008b00 DPL=0 TSS64-busy
> >>GDT=     000000000009f080 00000020
> >>IDT=     0000000000000000 0000ffff
> >>CR0=80000011 CR2=0000000000000000 CR3=000000000009c000 CR4=00000030
> >>DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000
> >>DR3=0000000000000000
> >>DR6=00000000ffff0ff0 DR7=0000000000000400
> >>EFER=0000000000000501
> >>Code=00 00 00 80 0f 22 c0 ea 70 f0 09 00 08 00 48 b8 c0 d4 b0 80
> >><ff> ff ff ff ff e0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> >>00 99 20 00 ff ff 00 00
> >
> >Artur,
> >
> >Can you check whether
> >
> >https://patchwork-mail.kernel.org/patch/1942681/
> >
> >fixes your problem
> >
> 
> Hi, thanks for the reply.
> 
> Unfortunately, the patch does not help. Attempt to start FreeBSD
> amd64 via quemu-kvm with -smp parameter greater than 1 fails in
> exactly the same way as before.
> 
> The patch was applied to the kernel from the 3.6.11-1.fc17.src.rpm package.
> 
> Do I need some additional patches?
> 
> 
Can you try queue branch from kvm.git?

--
			Gleb.