https://bugzilla.kernel.org/show_bug.cgi?id=202189 Jan (johnx@xxxxxxxxxxxx) changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |johnx@xxxxxxxxxxxx --- Comment #1 from Jan (johnx@xxxxxxxxxxxx) --- Rename this bug to: "KVM broken in recent kernels" I'm having the same issue where a VM of a router was working fine in 4.4.15X and in 4.4.172 is broken. Linux VM work fine though. KVM internal error. Suberror: 1 emulation failure RAX=0000000000000000 RBX=0000000000000016 RCX=0000000000000837 RDX=0000000000000021 RSI=0000000000136118 RDI=0000000000000021 RBP=0000000000136140 RSP=0000000000136138 R8 =0000000000000000 R9 =0000000000000000 R10=000000000a5c15e8 R11=000000000a18bd00 R12=0000000000000001 R13=0000000000000001 R14=0000000000148f1c R15=0000000000000429 RIP=0000000000149147 RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0010 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] CS =0020 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0010 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0010 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] FS =0010 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] GS =0010 000000000fb29000 ffffffff 00c09300 DPL=0 DS [-WA] LDT=0000 0000000000000000 ffffffff 00000000 TR =0008 0000000000000580 00000067 00008b00 DPL=0 TSS64-busy GDT= 0000000000001000 000000af IDT= 0000000013864000 00000fff CR0=c0010013 CR2=0000000000000000 CR3=0000000000134000 CR4=00040260 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000500 Code=?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? <??> ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ^Cqemu-system-x86_64: terminating on signal 2 -- You are receiving this mail because: You are watching the assignee of the bug.