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Date: Wed, 18 Mar 2015 14:09:50 -0400
From: Kevin O'Connor <kevin@koconnor.net>
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Subject: Re: [Qemu-devel] Emulation failure on booting/rebooting VMs
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To: Mohammed Gamal <mohammed.gamal@profitbricks.com>
Cc: ipxe-devel@lists.ipxe.org, seabios@seabios.org, qemu-devel@nongnu.org

On Wed, Mar 18, 2015 at 06:36:48PM +0100, Mohammed Gamal wrote:
> Hi,
> I've been sporadically getting my KVM virtual machines crashing with this
> message while they're booting
> 
> KVM internal error. Suberror: 1
> emulation failure
> EAX=00000000 EBX=00000000 ECX=00000000 EDX=00600f12
> ESI=00000000 EDI=00000000 EBP=00000000 ESP=0000fffa
> EIP=0000ff53 EFL=00000006 [-----P-] CPL=0 II=0 A20=1 SMM=0 HLT=0
> ES =0000 00000000 0000ffff 00009300
> CS =f000 000f0000 0000ffff 00009b00
> SS =0000 00000000 0000ffff 00009200
> DS =0000 00000000 0000ffff 00009300
> FS =0000 00000000 0000ffff 00009300
> GS =0000 00000000 0000ffff 00009300
> LDT=0000 00000000 0000ffff 00008200
> TR =0000 00000000 0000ffff 00008300
> GDT=     00000000 0000ffff
> IDT=     00000000 0000ffff
> CR0=60000010 CR2=00000000 CR3=00000000 CR4=00000000
> DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000
> DR3=0000000000000000
> DR6=00000000ffff0ff0 DR7=0000000000000400
> EFER=0000000000000000
> Code=74 65 61 6d 2e 00 66 68 5f 55 00 00 e9 c3 f8 fb f4 cb 66 c3 <cf> 66 68
> ff e6 00 00 e9 8b b1 66 55 66 57 66 56 66 53 66 89 c1 66 89 d6 a8 07 75 23
> 66 0f
> 
> I am running qemu 1.2, seabios 1.7.3 and ipxe (1.0.0-f6840ba) and the host
> CPU is AMD Opteron 6386 SE running kernel 3.4.71.

To debug seabios issues, we need the full log - see:
  http://www.seabios.org/Debugging

But, your software versions are a bit old which makes diagnosing any
issues hard.  I suggest updating to the latest software and seeing if
the problem is still present.

-Kevin