Public bug reported: all I have are the traces, should hopefully be easy to reproduce.
# qemu-system-i386 -machine isapc VNC server running on `::1:5900' qemu: fatal: Trying to execute code outside RAM or ROM at 0x1a0dff44 EAX=000f0f88 EBX=00100000 ECX=07fc0000 EDX=0000002c ESI=00006f5c EDI=08000000 EBP=07fc0000 ESP=fffe0014 EIP=1a0dff44 EFL=00000046 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0010 00000000 ffffffff 00cf9300 DPL=0 DS [-WA] CS =0008 00000000 ffffffff 00cf9b00 DPL=0 CS32 [-RA] SS =0010 00000000 ffffffff 00cf9300 DPL=0 DS [-WA] DS =0010 00000000 ffffffff 00cf9300 DPL=0 DS [-WA] FS =0010 00000000 ffffffff 00cf9300 DPL=0 DS [-WA] GS =0010 00000000 ffffffff 00cf9300 DPL=0 DS [-WA] LDT=0000 00000000 0000ffff 00008200 DPL=0 LDT TR =0000 00000000 0000ffff 00008b00 DPL=0 TSS32-busy GDT= 000f6be8 00000037 IDT= 000f6c26 00000000 CR0=60000011 CR2=00000000 CR3=00000000 CR4=00000000 DR0=00000000 DR1=00000000 DR2=00000000 DR3=00000000 DR6=ffff0ff0 DR7=00000400 CCS=00000000 CCD=00000000 CCO=ADDB EFER=0000000000000000 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 Aborted # qemu-system-x86_64 -machine isapc VNC server running on `::1:5900' qemu: fatal: Trying to execute code outside RAM or ROM at 0x000000001a0dff44 EAX=000f0f88 EBX=00100000 ECX=07fc0000 EDX=0000002c ESI=00006f5c EDI=08000000 EBP=07fc0000 ESP=fffe0014 EIP=1a0dff44 EFL=00000046 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0010 00000000 ffffffff 00cf9300 DPL=0 DS [-WA] CS =0008 00000000 ffffffff 00cf9b00 DPL=0 CS32 [-RA] SS =0010 00000000 ffffffff 00cf9300 DPL=0 DS [-WA] DS =0010 00000000 ffffffff 00cf9300 DPL=0 DS [-WA] FS =0010 00000000 ffffffff 00cf9300 DPL=0 DS [-WA] GS =0010 00000000 ffffffff 00cf9300 DPL=0 DS [-WA] LDT=0000 00000000 0000ffff 00008200 DPL=0 LDT TR =0000 00000000 0000ffff 00008b00 DPL=0 TSS32-busy GDT= 000f6be8 00000037 IDT= 000f6c26 00000000 CR0=60000011 CR2=00000000 CR3=00000000 CR4=00000000 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 CCS=00000000 CCD=00000000 CCO=ADDB EFER=0000000000000000 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 Aborted ** Affects: qemu Importance: Undecided Status: New -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1400768 Title: Fatal error when running with '-machine isapc' on 2.1.2 Status in QEMU: New Bug description: all I have are the traces, should hopefully be easy to reproduce. # qemu-system-i386 -machine isapc VNC server running on `::1:5900' qemu: fatal: Trying to execute code outside RAM or ROM at 0x1a0dff44 EAX=000f0f88 EBX=00100000 ECX=07fc0000 EDX=0000002c ESI=00006f5c EDI=08000000 EBP=07fc0000 ESP=fffe0014 EIP=1a0dff44 EFL=00000046 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0010 00000000 ffffffff 00cf9300 DPL=0 DS [-WA] CS =0008 00000000 ffffffff 00cf9b00 DPL=0 CS32 [-RA] SS =0010 00000000 ffffffff 00cf9300 DPL=0 DS [-WA] DS =0010 00000000 ffffffff 00cf9300 DPL=0 DS [-WA] FS =0010 00000000 ffffffff 00cf9300 DPL=0 DS [-WA] GS =0010 00000000 ffffffff 00cf9300 DPL=0 DS [-WA] LDT=0000 00000000 0000ffff 00008200 DPL=0 LDT TR =0000 00000000 0000ffff 00008b00 DPL=0 TSS32-busy GDT= 000f6be8 00000037 IDT= 000f6c26 00000000 CR0=60000011 CR2=00000000 CR3=00000000 CR4=00000000 DR0=00000000 DR1=00000000 DR2=00000000 DR3=00000000 DR6=ffff0ff0 DR7=00000400 CCS=00000000 CCD=00000000 CCO=ADDB EFER=0000000000000000 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 Aborted # qemu-system-x86_64 -machine isapc VNC server running on `::1:5900' qemu: fatal: Trying to execute code outside RAM or ROM at 0x000000001a0dff44 EAX=000f0f88 EBX=00100000 ECX=07fc0000 EDX=0000002c ESI=00006f5c EDI=08000000 EBP=07fc0000 ESP=fffe0014 EIP=1a0dff44 EFL=00000046 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0010 00000000 ffffffff 00cf9300 DPL=0 DS [-WA] CS =0008 00000000 ffffffff 00cf9b00 DPL=0 CS32 [-RA] SS =0010 00000000 ffffffff 00cf9300 DPL=0 DS [-WA] DS =0010 00000000 ffffffff 00cf9300 DPL=0 DS [-WA] FS =0010 00000000 ffffffff 00cf9300 DPL=0 DS [-WA] GS =0010 00000000 ffffffff 00cf9300 DPL=0 DS [-WA] LDT=0000 00000000 0000ffff 00008200 DPL=0 LDT TR =0000 00000000 0000ffff 00008b00 DPL=0 TSS32-busy GDT= 000f6be8 00000037 IDT= 000f6c26 00000000 CR0=60000011 CR2=00000000 CR3=00000000 CR4=00000000 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 CCS=00000000 CCD=00000000 CCO=ADDB EFER=0000000000000000 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 Aborted To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1400768/+subscriptions