On Tue, May 07, 2013 at 06:55:23PM +0900, Jun'ichi Nomura wrote: > Hello, > > With v3.9 kernel and Nehalem CPU (i.e. unrestricted_guest=N), > a guest stuck during boot (seemingly in BIOS). > When setting emulate_invalid_guest_state=0, it does boot. > (With v3.8 kernel and older, the guest used to boot fine by default.) > > The userspace is qemu-kvm of RHEL6. > It seems the guest boots up fine with upstream qemu 1.4.1. > > Is this a kernel bug? Or is the userspace just too old to run on v3.9? > > It should work. What seabios version are you using? > # virsh start vm12; virsh console vm12 > Domain vm12 started > > Connected to domain vm12 > Escape character is ^] > > Google, Inc. > Serial Graphics Adapter 07/26/11 > SGABIOS $Id: sgabios.S 8 2010-04-22 00:03:40Z nlaredo $ (mockbuild@xxxxxxxxxxxxxxxxxxxxxxxxxxx) Tue Jul 26 15:05:08 UTC 2011 > Term: > <Ctrl-]> > > # virsh qemu-monitor-command vm12 --hmp info registers > EAX=f000e850 EBX=0000ffff ECX=00000000 EDX=0000ffff > ESI=00000104 EDI=00000060 EBP=00000000 ESP=00006eb0 > EIP=000006ca EFL=00000046 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 > ES =0040 00000400 ffffffff 00809300 > CS =c000 000c0000 ffffffff 00809b00 > SS =0000 00000000 ffffffff 00809300 > DS =0040 00000400 ffffffff 00809300 > FS =0000 00000000 ffffffff 00809300 > GS =0000 00000000 ffffffff 00809300 > LDT=0000 00000000 0000ffff 00008200 > TR =0000 00000000 0000ffff 00008b00 > GDT= 000fc558 00000037 > IDT= 00000000 000003ff > CR0=00000010 CR2=00000000 CR3=00000000 CR4=00000000 > DR0=00000000 DR1=00000000 DR2=00000000 DR3=00000000 > DR6=ffff0ff0 DR7=00000400 > FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 > FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 > FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 > FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 > FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 > XMM00=00000000000000000000000000000000 XMM01=00000000000000000000000000000000 > XMM02=00000000000000000000000000000000 XMM03=00000000000000000000000000000000 > XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 > XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 > > # cat /sys/module/kvm_intel/parameters/emulate_invalid_guest_state > Y > # cat /sys/module/kvm_intel/parameters/unrestricted_guest > N > > -- > Jun'ichi Nomura, NEC Corporation > -- > To unsubscribe from this list: send the line "unsubscribe kvm" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Gleb. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
