KVM guest gets into paused state shortly after being started











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I have two very similar x86_64 machines running the same kernel (4.7.8), and the same version of libvirt. The only difference between the two machines is the amount of memory they have, machine A has 8G while machine B has 32G, and the BIOS version running (more details below).



On machine A I can run guests without any problems, but on machine B it happens very often that a guest will get into paused state while it is booting (it is always during the booting stage), and I won't be able to resume it. This happens quite often, and even more often when two guests are started, one after the other, when frequently one or both guests will get into that paused state. This issue NEVER happens on machine A.



Looking at the guest's log I can see that Suberror 3 occurs when the issue is seen:



2020-05-02 16:38:16.949+0000: starting up libvirt version: 1.2.20, qemu version: 2.6.0

LC_ALL=C PATH=/bin:/usr/bin QEMU_AUDIO_DRV=none /usr/bin/qemu-system-x86_64 -name testvm -S -machine pc-1.1,accel=kvm,usb=off -cpu Broadwell,+abm,+pdpe1gb,+rdrand,+f16c,+osxsave,+pdcm,+xtpr,+tm2,+est,+smx,+vmx,+ds_cpl,+monitor,+dtes64,+pbe,+tm,+ht,+ss,+acpi,+ds,+vme -m 512 -realtime mlock=off -smp 1,sockets=1,cores=1,threads=1 -uuid e1e10e42-55f5-4927-aa31-71114d9edc33 -smbios type=1,product=QEMU -no-user-config -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/domain-testvm/monitor.sock,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=localtime,clock=vm,driftfix=slew -no-shutdown -boot strict=on -device ich9-usb-ehci1,id=usb,bus=pci.0,addr=0x5.0x7 -device ich9-usb-uhci1,masterbus=usb.0,firstport=0,bus=pci.0,multifunction=on,addr=0x5 -device ich9-usb-uhci2,masterbus=usb.0,firstport=2,bus=pci.0,addr=0x5.0x1 -device ich9-usb-uhci3,masterbus=usb.0,firstport=4,bus=pci.0,addr=0x5.0x2 -drive file=/mnt/disk0/.libvirt/ubmtest_0.img,if=none,id=drive-ide0-0-0,format=qcow2,cache=directsync,aio=native -device ide-hd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=2 -netdev tap,fd=18,id=hostnet0 -device e1000,netdev=hostnet0,id=net0,mac=52:54:01:fa:01:51,bus=pci.0,addr=0x3 -netdev tap,fd=19,id=hostnet1 -device e1000,netdev=hostnet1,id=net1,mac=52:54:02:fa:02:51,bus=pci.0,addr=0x6 -netdev tap,fd=20,id=hostnet2 -device e1000,netdev=hostnet2,id=net2,mac=52:54:0b:fa:0b:51,bus=pci.0,addr=0x7 -netdev tap,fd=21,id=hostnet3 -device e1000,netdev=hostnet3,id=net3,mac=52:54:64:fa:64:51,bus=pci.0,addr=0x8 -netdev tap,fd=22,id=hostnet4 -device e1000,netdev=hostnet4,id=net4,mac=52:54:c8:fa:c8:51,bus=pci.0,addr=0x9 -netdev tap,fd=23,id=hostnet5 -device e1000,netdev=hostnet5,id=net5,mac=52:54:d3:fa:d3:51,bus=pci.0,addr=0xb -netdev tap,fd=24,id=hostnet6 -device e1000,netdev=hostnet6,id=net6,mac=52:54:dd:fa:dd:51,bus=pci.0,addr=0xa -netdev tap,fd=25,id=hostnet7 -device e1000,netdev=hostnet7,id=net7,mac=52:54:ff:fa:ff:51,bus=pci.0,addr=0xc -chardev pty,id=charserial0 -device isa-serial,chardev=charserial0,id=serial0 -device usb-tablet,id=input0 -vnc 0.0.0.0:0 -device cirrus-vga,id=video0,bus=pci.0,addr=0x2 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x4 -msg timestamp=on

Domain id=1 is tainted: high-privileges

char device redirected to /dev/pts/0 (label charserial0)

KVM internal error. Suberror: 3

extra data[0]: 8000003e

extra data[1]: 31

RAX=0000000000000000 RBX=ffffffff81f38280 RCX=0000000000000000 RDX=0000000000000000

RSI=0000000000000000 RDI=0000000000000000 RBP=ffffffff81e03e98 RSP=ffffffff81e03e98

R8 =ffff88001fc0dd80 R9 =0000000000000000 R10=00000000fffee09f R11=0000000000037000

R12=0000000000000000 R13=0000000000000000 R14=0000000000000000 R15=ffffffff81e00000

RIP=ffffffff810645d6 RFL=00000246 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0

ES =0000 0000000000000000 ffffffff 00000000

CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]

SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]

DS =0000 0000000000000000 ffffffff 00000000

FS =0000 0000000000000000 ffffffff 00000000

GS =0000 ffff88001fc00000 ffffffff 00000000

LDT=0000 0000000000000000 000fffff 00000000

TR =0040 ffff88001fc142c0 00002087 00008b00 DPL=0 TSS64-busy

GDT=     ffff88001fc09000 0000007f

IDT=     ffffffffff574000 00000fff

CR0=80050033 CR2=00007f1cb3691037 CR3=00000000167a7000 CR4=003406f0

DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 

DR6=00000000fffe0ff0 DR7=0000000000000400

EFER=0000000000000d01

Code=89 e5 fb 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb f4 <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 5d c3 66 0f 1f 84 00 00 00 00 00 55 49 89 c9


As I mentioned before, all the software on both of the systems are identical, and most of the hardware as well.



Here are some relevant specs shared by both guests:




  • CPU: Intel(R) Core(TM) i5-5350U CPU @ 1.80GHz

  • Kernel: 4.7.8

  • libvirt 1.2.20

  • QEMU 2.6.0


Relevant differences:




  • Machine A BIOS: American Megatrends Inc. v0.04 06/16/2016 release 5.6

  • Machine B BIOS: American Megatrends Inc. v0.02 07/07/2015 release 5.6


Does anyone have any clues to what might be happening here? Is it possible that this is related to the different BIOS versions?



Thanks






qemu kvm libvirt







share|improve this question






















  • This doesn't appear to be a programming question.
    – Michael Hampton
    yesterday















up vote
-1
down vote

favorite












I have two very similar x86_64 machines running the same kernel (4.7.8), and the same version of libvirt. The only difference between the two machines is the amount of memory they have, machine A has 8G while machine B has 32G, and the BIOS version running (more details below).



On machine A I can run guests without any problems, but on machine B it happens very often that a guest will get into paused state while it is booting (it is always during the booting stage), and I won't be able to resume it. This happens quite often, and even more often when two guests are started, one after the other, when frequently one or both guests will get into that paused state. This issue NEVER happens on machine A.



Looking at the guest's log I can see that Suberror 3 occurs when the issue is seen:



2020-05-02 16:38:16.949+0000: starting up libvirt version: 1.2.20, qemu version: 2.6.0

LC_ALL=C PATH=/bin:/usr/bin QEMU_AUDIO_DRV=none /usr/bin/qemu-system-x86_64 -name testvm -S -machine pc-1.1,accel=kvm,usb=off -cpu Broadwell,+abm,+pdpe1gb,+rdrand,+f16c,+osxsave,+pdcm,+xtpr,+tm2,+est,+smx,+vmx,+ds_cpl,+monitor,+dtes64,+pbe,+tm,+ht,+ss,+acpi,+ds,+vme -m 512 -realtime mlock=off -smp 1,sockets=1,cores=1,threads=1 -uuid e1e10e42-55f5-4927-aa31-71114d9edc33 -smbios type=1,product=QEMU -no-user-config -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/domain-testvm/monitor.sock,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=localtime,clock=vm,driftfix=slew -no-shutdown -boot strict=on -device ich9-usb-ehci1,id=usb,bus=pci.0,addr=0x5.0x7 -device ich9-usb-uhci1,masterbus=usb.0,firstport=0,bus=pci.0,multifunction=on,addr=0x5 -device ich9-usb-uhci2,masterbus=usb.0,firstport=2,bus=pci.0,addr=0x5.0x1 -device ich9-usb-uhci3,masterbus=usb.0,firstport=4,bus=pci.0,addr=0x5.0x2 -drive file=/mnt/disk0/.libvirt/ubmtest_0.img,if=none,id=drive-ide0-0-0,format=qcow2,cache=directsync,aio=native -device ide-hd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=2 -netdev tap,fd=18,id=hostnet0 -device e1000,netdev=hostnet0,id=net0,mac=52:54:01:fa:01:51,bus=pci.0,addr=0x3 -netdev tap,fd=19,id=hostnet1 -device e1000,netdev=hostnet1,id=net1,mac=52:54:02:fa:02:51,bus=pci.0,addr=0x6 -netdev tap,fd=20,id=hostnet2 -device e1000,netdev=hostnet2,id=net2,mac=52:54:0b:fa:0b:51,bus=pci.0,addr=0x7 -netdev tap,fd=21,id=hostnet3 -device e1000,netdev=hostnet3,id=net3,mac=52:54:64:fa:64:51,bus=pci.0,addr=0x8 -netdev tap,fd=22,id=hostnet4 -device e1000,netdev=hostnet4,id=net4,mac=52:54:c8:fa:c8:51,bus=pci.0,addr=0x9 -netdev tap,fd=23,id=hostnet5 -device e1000,netdev=hostnet5,id=net5,mac=52:54:d3:fa:d3:51,bus=pci.0,addr=0xb -netdev tap,fd=24,id=hostnet6 -device e1000,netdev=hostnet6,id=net6,mac=52:54:dd:fa:dd:51,bus=pci.0,addr=0xa -netdev tap,fd=25,id=hostnet7 -device e1000,netdev=hostnet7,id=net7,mac=52:54:ff:fa:ff:51,bus=pci.0,addr=0xc -chardev pty,id=charserial0 -device isa-serial,chardev=charserial0,id=serial0 -device usb-tablet,id=input0 -vnc 0.0.0.0:0 -device cirrus-vga,id=video0,bus=pci.0,addr=0x2 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x4 -msg timestamp=on

Domain id=1 is tainted: high-privileges

char device redirected to /dev/pts/0 (label charserial0)

KVM internal error. Suberror: 3

extra data[0]: 8000003e

extra data[1]: 31

RAX=0000000000000000 RBX=ffffffff81f38280 RCX=0000000000000000 RDX=0000000000000000

RSI=0000000000000000 RDI=0000000000000000 RBP=ffffffff81e03e98 RSP=ffffffff81e03e98

R8 =ffff88001fc0dd80 R9 =0000000000000000 R10=00000000fffee09f R11=0000000000037000

R12=0000000000000000 R13=0000000000000000 R14=0000000000000000 R15=ffffffff81e00000

RIP=ffffffff810645d6 RFL=00000246 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0

ES =0000 0000000000000000 ffffffff 00000000

CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]

SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]

DS =0000 0000000000000000 ffffffff 00000000

FS =0000 0000000000000000 ffffffff 00000000

GS =0000 ffff88001fc00000 ffffffff 00000000

LDT=0000 0000000000000000 000fffff 00000000

TR =0040 ffff88001fc142c0 00002087 00008b00 DPL=0 TSS64-busy

GDT=     ffff88001fc09000 0000007f

IDT=     ffffffffff574000 00000fff

CR0=80050033 CR2=00007f1cb3691037 CR3=00000000167a7000 CR4=003406f0

DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 

DR6=00000000fffe0ff0 DR7=0000000000000400

EFER=0000000000000d01

Code=89 e5 fb 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb f4 <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 5d c3 66 0f 1f 84 00 00 00 00 00 55 49 89 c9


As I mentioned before, all the software on both of the systems are identical, and most of the hardware as well.



Here are some relevant specs shared by both guests:




  • CPU: Intel(R) Core(TM) i5-5350U CPU @ 1.80GHz

  • Kernel: 4.7.8

  • libvirt 1.2.20

  • QEMU 2.6.0


Relevant differences:




  • Machine A BIOS: American Megatrends Inc. v0.04 06/16/2016 release 5.6

  • Machine B BIOS: American Megatrends Inc. v0.02 07/07/2015 release 5.6


Does anyone have any clues to what might be happening here? Is it possible that this is related to the different BIOS versions?



Thanks






qemu kvm libvirt







share|improve this question






















  • This doesn't appear to be a programming question.
    – Michael Hampton
    yesterday













up vote
-1
down vote

favorite









up vote
-1
down vote

favorite











I have two very similar x86_64 machines running the same kernel (4.7.8), and the same version of libvirt. The only difference between the two machines is the amount of memory they have, machine A has 8G while machine B has 32G, and the BIOS version running (more details below).



On machine A I can run guests without any problems, but on machine B it happens very often that a guest will get into paused state while it is booting (it is always during the booting stage), and I won't be able to resume it. This happens quite often, and even more often when two guests are started, one after the other, when frequently one or both guests will get into that paused state. This issue NEVER happens on machine A.



Looking at the guest's log I can see that Suberror 3 occurs when the issue is seen:



2020-05-02 16:38:16.949+0000: starting up libvirt version: 1.2.20, qemu version: 2.6.0

LC_ALL=C PATH=/bin:/usr/bin QEMU_AUDIO_DRV=none /usr/bin/qemu-system-x86_64 -name testvm -S -machine pc-1.1,accel=kvm,usb=off -cpu Broadwell,+abm,+pdpe1gb,+rdrand,+f16c,+osxsave,+pdcm,+xtpr,+tm2,+est,+smx,+vmx,+ds_cpl,+monitor,+dtes64,+pbe,+tm,+ht,+ss,+acpi,+ds,+vme -m 512 -realtime mlock=off -smp 1,sockets=1,cores=1,threads=1 -uuid e1e10e42-55f5-4927-aa31-71114d9edc33 -smbios type=1,product=QEMU -no-user-config -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/domain-testvm/monitor.sock,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=localtime,clock=vm,driftfix=slew -no-shutdown -boot strict=on -device ich9-usb-ehci1,id=usb,bus=pci.0,addr=0x5.0x7 -device ich9-usb-uhci1,masterbus=usb.0,firstport=0,bus=pci.0,multifunction=on,addr=0x5 -device ich9-usb-uhci2,masterbus=usb.0,firstport=2,bus=pci.0,addr=0x5.0x1 -device ich9-usb-uhci3,masterbus=usb.0,firstport=4,bus=pci.0,addr=0x5.0x2 -drive file=/mnt/disk0/.libvirt/ubmtest_0.img,if=none,id=drive-ide0-0-0,format=qcow2,cache=directsync,aio=native -device ide-hd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=2 -netdev tap,fd=18,id=hostnet0 -device e1000,netdev=hostnet0,id=net0,mac=52:54:01:fa:01:51,bus=pci.0,addr=0x3 -netdev tap,fd=19,id=hostnet1 -device e1000,netdev=hostnet1,id=net1,mac=52:54:02:fa:02:51,bus=pci.0,addr=0x6 -netdev tap,fd=20,id=hostnet2 -device e1000,netdev=hostnet2,id=net2,mac=52:54:0b:fa:0b:51,bus=pci.0,addr=0x7 -netdev tap,fd=21,id=hostnet3 -device e1000,netdev=hostnet3,id=net3,mac=52:54:64:fa:64:51,bus=pci.0,addr=0x8 -netdev tap,fd=22,id=hostnet4 -device e1000,netdev=hostnet4,id=net4,mac=52:54:c8:fa:c8:51,bus=pci.0,addr=0x9 -netdev tap,fd=23,id=hostnet5 -device e1000,netdev=hostnet5,id=net5,mac=52:54:d3:fa:d3:51,bus=pci.0,addr=0xb -netdev tap,fd=24,id=hostnet6 -device e1000,netdev=hostnet6,id=net6,mac=52:54:dd:fa:dd:51,bus=pci.0,addr=0xa -netdev tap,fd=25,id=hostnet7 -device e1000,netdev=hostnet7,id=net7,mac=52:54:ff:fa:ff:51,bus=pci.0,addr=0xc -chardev pty,id=charserial0 -device isa-serial,chardev=charserial0,id=serial0 -device usb-tablet,id=input0 -vnc 0.0.0.0:0 -device cirrus-vga,id=video0,bus=pci.0,addr=0x2 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x4 -msg timestamp=on

Domain id=1 is tainted: high-privileges

char device redirected to /dev/pts/0 (label charserial0)

KVM internal error. Suberror: 3

extra data[0]: 8000003e

extra data[1]: 31

RAX=0000000000000000 RBX=ffffffff81f38280 RCX=0000000000000000 RDX=0000000000000000

RSI=0000000000000000 RDI=0000000000000000 RBP=ffffffff81e03e98 RSP=ffffffff81e03e98

R8 =ffff88001fc0dd80 R9 =0000000000000000 R10=00000000fffee09f R11=0000000000037000

R12=0000000000000000 R13=0000000000000000 R14=0000000000000000 R15=ffffffff81e00000

RIP=ffffffff810645d6 RFL=00000246 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0

ES =0000 0000000000000000 ffffffff 00000000

CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]

SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]

DS =0000 0000000000000000 ffffffff 00000000

FS =0000 0000000000000000 ffffffff 00000000

GS =0000 ffff88001fc00000 ffffffff 00000000

LDT=0000 0000000000000000 000fffff 00000000

TR =0040 ffff88001fc142c0 00002087 00008b00 DPL=0 TSS64-busy

GDT=     ffff88001fc09000 0000007f

IDT=     ffffffffff574000 00000fff

CR0=80050033 CR2=00007f1cb3691037 CR3=00000000167a7000 CR4=003406f0

DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 

DR6=00000000fffe0ff0 DR7=0000000000000400

EFER=0000000000000d01

Code=89 e5 fb 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb f4 <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 5d c3 66 0f 1f 84 00 00 00 00 00 55 49 89 c9


As I mentioned before, all the software on both of the systems are identical, and most of the hardware as well.



Here are some relevant specs shared by both guests:




  • CPU: Intel(R) Core(TM) i5-5350U CPU @ 1.80GHz

  • Kernel: 4.7.8

  • libvirt 1.2.20

  • QEMU 2.6.0


Relevant differences:




  • Machine A BIOS: American Megatrends Inc. v0.04 06/16/2016 release 5.6

  • Machine B BIOS: American Megatrends Inc. v0.02 07/07/2015 release 5.6


Does anyone have any clues to what might be happening here? Is it possible that this is related to the different BIOS versions?



Thanks






qemu kvm libvirt







share|improve this question













I have two very similar x86_64 machines running the same kernel (4.7.8), and the same version of libvirt. The only difference between the two machines is the amount of memory they have, machine A has 8G while machine B has 32G, and the BIOS version running (more details below).



On machine A I can run guests without any problems, but on machine B it happens very often that a guest will get into paused state while it is booting (it is always during the booting stage), and I won't be able to resume it. This happens quite often, and even more often when two guests are started, one after the other, when frequently one or both guests will get into that paused state. This issue NEVER happens on machine A.



Looking at the guest's log I can see that Suberror 3 occurs when the issue is seen:



2020-05-02 16:38:16.949+0000: starting up libvirt version: 1.2.20, qemu version: 2.6.0

LC_ALL=C PATH=/bin:/usr/bin QEMU_AUDIO_DRV=none /usr/bin/qemu-system-x86_64 -name testvm -S -machine pc-1.1,accel=kvm,usb=off -cpu Broadwell,+abm,+pdpe1gb,+rdrand,+f16c,+osxsave,+pdcm,+xtpr,+tm2,+est,+smx,+vmx,+ds_cpl,+monitor,+dtes64,+pbe,+tm,+ht,+ss,+acpi,+ds,+vme -m 512 -realtime mlock=off -smp 1,sockets=1,cores=1,threads=1 -uuid e1e10e42-55f5-4927-aa31-71114d9edc33 -smbios type=1,product=QEMU -no-user-config -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/domain-testvm/monitor.sock,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=localtime,clock=vm,driftfix=slew -no-shutdown -boot strict=on -device ich9-usb-ehci1,id=usb,bus=pci.0,addr=0x5.0x7 -device ich9-usb-uhci1,masterbus=usb.0,firstport=0,bus=pci.0,multifunction=on,addr=0x5 -device ich9-usb-uhci2,masterbus=usb.0,firstport=2,bus=pci.0,addr=0x5.0x1 -device ich9-usb-uhci3,masterbus=usb.0,firstport=4,bus=pci.0,addr=0x5.0x2 -drive file=/mnt/disk0/.libvirt/ubmtest_0.img,if=none,id=drive-ide0-0-0,format=qcow2,cache=directsync,aio=native -device ide-hd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=2 -netdev tap,fd=18,id=hostnet0 -device e1000,netdev=hostnet0,id=net0,mac=52:54:01:fa:01:51,bus=pci.0,addr=0x3 -netdev tap,fd=19,id=hostnet1 -device e1000,netdev=hostnet1,id=net1,mac=52:54:02:fa:02:51,bus=pci.0,addr=0x6 -netdev tap,fd=20,id=hostnet2 -device e1000,netdev=hostnet2,id=net2,mac=52:54:0b:fa:0b:51,bus=pci.0,addr=0x7 -netdev tap,fd=21,id=hostnet3 -device e1000,netdev=hostnet3,id=net3,mac=52:54:64:fa:64:51,bus=pci.0,addr=0x8 -netdev tap,fd=22,id=hostnet4 -device e1000,netdev=hostnet4,id=net4,mac=52:54:c8:fa:c8:51,bus=pci.0,addr=0x9 -netdev tap,fd=23,id=hostnet5 -device e1000,netdev=hostnet5,id=net5,mac=52:54:d3:fa:d3:51,bus=pci.0,addr=0xb -netdev tap,fd=24,id=hostnet6 -device e1000,netdev=hostnet6,id=net6,mac=52:54:dd:fa:dd:51,bus=pci.0,addr=0xa -netdev tap,fd=25,id=hostnet7 -device e1000,netdev=hostnet7,id=net7,mac=52:54:ff:fa:ff:51,bus=pci.0,addr=0xc -chardev pty,id=charserial0 -device isa-serial,chardev=charserial0,id=serial0 -device usb-tablet,id=input0 -vnc 0.0.0.0:0 -device cirrus-vga,id=video0,bus=pci.0,addr=0x2 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x4 -msg timestamp=on

Domain id=1 is tainted: high-privileges

char device redirected to /dev/pts/0 (label charserial0)

KVM internal error. Suberror: 3

extra data[0]: 8000003e

extra data[1]: 31

RAX=0000000000000000 RBX=ffffffff81f38280 RCX=0000000000000000 RDX=0000000000000000

RSI=0000000000000000 RDI=0000000000000000 RBP=ffffffff81e03e98 RSP=ffffffff81e03e98

R8 =ffff88001fc0dd80 R9 =0000000000000000 R10=00000000fffee09f R11=0000000000037000

R12=0000000000000000 R13=0000000000000000 R14=0000000000000000 R15=ffffffff81e00000

RIP=ffffffff810645d6 RFL=00000246 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0

ES =0000 0000000000000000 ffffffff 00000000

CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]

SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]

DS =0000 0000000000000000 ffffffff 00000000

FS =0000 0000000000000000 ffffffff 00000000

GS =0000 ffff88001fc00000 ffffffff 00000000

LDT=0000 0000000000000000 000fffff 00000000

TR =0040 ffff88001fc142c0 00002087 00008b00 DPL=0 TSS64-busy

GDT=     ffff88001fc09000 0000007f

IDT=     ffffffffff574000 00000fff

CR0=80050033 CR2=00007f1cb3691037 CR3=00000000167a7000 CR4=003406f0

DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 

DR6=00000000fffe0ff0 DR7=0000000000000400

EFER=0000000000000d01

Code=89 e5 fb 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb f4 <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 5d c3 66 0f 1f 84 00 00 00 00 00 55 49 89 c9


As I mentioned before, all the software on both of the systems are identical, and most of the hardware as well.



Here are some relevant specs shared by both guests:




  • CPU: Intel(R) Core(TM) i5-5350U CPU @ 1.80GHz

  • Kernel: 4.7.8

  • libvirt 1.2.20

  • QEMU 2.6.0


Relevant differences:




  • Machine A BIOS: American Megatrends Inc. v0.04 06/16/2016 release 5.6

  • Machine B BIOS: American Megatrends Inc. v0.02 07/07/2015 release 5.6


Does anyone have any clues to what might be happening here? Is it possible that this is related to the different BIOS versions?



Thanks






qemu kvm libvirt




qemu kvm libvirt






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