[SOLVED] UAC prompt causes Win11 vm to reboot or Qemu to crash

C.G.B. Spender

C.G.B. Spender

Member
Nov 17, 2019
26
0
21
Hi,
I was messing around with some settings which makes window pop up the UAC prompt where it dims the screens and asks whether it was really me who clicked that. At this point the vm became unresponsive and following crash was recorded in syslog:

Code: 
Aug 30 11:00:18 pve2.lan QEMU[1608555]: KVM internal error. Suberror: 3
Aug 30 11:00:18 pve2.lan QEMU[1608555]: KVM internal error. Suberror: 3
Aug 30 11:00:18 pve2.lan QEMU[1608555]: extra data[0]: 0x0000000080000b0e
Aug 30 11:00:18 pve2.lan QEMU[1608555]: extra data[0]: 0x0000000080000b0e
Aug 30 11:00:18 pve2.lan QEMU[1608555]: extra data[1]: 0x0000000000000031
Aug 30 11:00:18 pve2.lan QEMU[1608555]: extra data[2]: 0x0000000000000683
Aug 30 11:00:18 pve2.lan QEMU[1608555]: extra data[3]: 0x00000000001aec70
Aug 30 11:00:18 pve2.lan QEMU[1608555]: extra data[4]: 0x0000000000000001
Aug 30 11:00:18 pve2.lan QEMU[1608555]: extra data[1]: 0x0000000000000031
Aug 30 11:00:18 pve2.lan QEMU[1608555]: extra data[2]: 0x0000000000000683
Aug 30 11:00:18 pve2.lan QEMU[1608555]: extra data[3]: 0x00000000001aec70
Aug 30 11:00:18 pve2.lan QEMU[1608555]: extra data[4]: 0x0000000000000000
Aug 30 11:00:18 pve2.lan QEMU[1608555]: RAX=ffffc7010a03ef40 RBX=0000000000000000 RCX=0000000000000802 RDX=000000000000002c
Aug 30 11:00:18 pve2.lan QEMU[1608555]: RSI=0000000000000000 RDI=ffffc7010a020000 RBP=0000000000000000 RSP=ffffc7010a03eee0
Aug 30 11:00:18 pve2.lan QEMU[1608555]: R8 =000000d59ffff3e0 R9 =0000000000000008 R10=fffffffffffffffe R11=0000000000000246
Aug 30 11:00:18 pve2.lan QEMU[1608555]: R12=0000000000000000 R13=ababababdededede R14=0000000000000001 R15=000000d59ffff500
Aug 30 11:00:18 pve2.lan QEMU[1608555]: RIP=fffff80731f65b92 RFL=00010002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0
Aug 30 11:00:18 pve2.lan QEMU[1608555]: ES =0028 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]
Aug 30 11:00:18 pve2.lan QEMU[1608555]: CS =0010 0000000000000000 00000000 00209b00 DPL=0 CS64 [-RA]
Aug 30 11:00:18 pve2.lan QEMU[1608555]: SS =0018 0000000000000000 00000000 00409300 DPL=0 DS   [-WA]
Aug 30 11:00:18 pve2.lan QEMU[1608555]: DS =0028 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]
Aug 30 11:00:18 pve2.lan QEMU[1608555]: FS =0050 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]
Aug 30 11:00:18 pve2.lan QEMU[1608555]: GS =0028 ffffc700f0cec000 ffffffff 00c09300 DPL=0 DS   [-WA]
Aug 30 11:00:18 pve2.lan QEMU[1608555]: LDT=0000 0000000000000000 00000000 00000000
Aug 30 11:00:18 pve2.lan QEMU[1608555]: TR =0040 ffffc700f0cfb000 00000067 00008b00 DPL=0 TSS64-busy
Aug 30 11:00:18 pve2.lan QEMU[1608555]: GDT=     ffffc700f0cfcfb0 0000ffff
Aug 30 11:00:18 pve2.lan QEMU[1608555]: IDT=     ffffc7010a020182 0000ffff
Aug 30 11:00:18 pve2.lan QEMU[1608555]: CR0=80050033 CR2=fffff80731f65b92 CR3=00000000001ae002 CR4=00372e78
Aug 30 11:00:18 pve2.lan QEMU[1608555]: DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000
Aug 30 11:00:18 pve2.lan QEMU[1608555]: DR6=00000000fffe0ff0 DR7=0000000000000400
Aug 30 11:00:18 pve2.lan QEMU[1608555]: EFER=0000000000000d01
Aug 30 11:00:18 pve2.lan QEMU[1608555]: Code=48 23 c1 c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc 66 90 <eb> fe cc cc cc cc cc cc cc cc cc cc cc cc 48 89 5c 24 08 57 48 83 ec 20 0f b6 d9 44 0f 20
Aug 30 11:00:18 pve2.lan QEMU[1608555]: RAX=ffffc7010a0b6f40 RBX=000000000000001c RCX=0000000000000802 RDX=8000000000000000
Aug 30 11:00:18 pve2.lan QEMU[1608555]: RSI=0000000000000003 RDI=ffffc7010a098000 RBP=ffffa5018eceb040 RSP=ffffc7010a0b6ee0
Aug 30 11:00:18 pve2.lan QEMU[1608555]: R8 =ffffc700f0ea2180 R9 =ffffa501969162e8 R10=ffff948813357030 R11=ffff9305df227338
Aug 30 11:00:18 pve2.lan QEMU[1608555]: R12=ffffa501969162d8 R13=ffffffffffffffff R14=0000000000000000 R15=ffffa5018eceb040
Aug 30 11:00:18 pve2.lan QEMU[1608555]: RIP=fffff80731f65b92 RFL=00010002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0
Aug 30 11:00:18 pve2.lan QEMU[1608555]: ES =0028 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]
Aug 30 11:00:18 pve2.lan QEMU[1608555]: CS =0010 0000000000000000 00000000 00209b00 DPL=0 CS64 [-RA]
Aug 30 11:00:18 pve2.lan QEMU[1608555]: SS =0018 0000000000000000 00000000 00409300 DPL=0 DS   [-WA]
Aug 30 11:00:18 pve2.lan QEMU[1608555]: DS =0028 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]
Aug 30 11:00:18 pve2.lan QEMU[1608555]: FS =0050 00000000004b2000 ffffffff 00c09300 DPL=0 DS   [-WA]
Aug 30 11:00:18 pve2.lan QEMU[1608555]: GS =0028 ffffc700f0ea2000 ffffffff 00c09300 DPL=0 DS   [-WA]
Aug 30 11:00:18 pve2.lan QEMU[1608555]: LDT=0000 0000000000000000 00000000 00000000
Aug 30 11:00:18 pve2.lan QEMU[1608555]: TR =0040 ffffc700f0eb1000 00000067 00008b00 DPL=0 TSS64-busy
Aug 30 11:00:18 pve2.lan QEMU[1608555]: GDT=     ffffc700f0eb2fb0 0000ffff
Aug 30 11:00:18 pve2.lan QEMU[1608555]: IDT=     ffffc7010a098182 0000ffff
Aug 30 11:00:18 pve2.lan QEMU[1608555]: CR0=80050033 CR2=fffff80731f65b92 CR3=00000000001ae002 CR4=00372e78
Aug 30 11:00:18 pve2.lan QEMU[1608555]: DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000
Aug 30 11:00:18 pve2.lan QEMU[1608555]: DR6=00000000fffe0ff0 DR7=0000000000000400
Aug 30 11:00:18 pve2.lan QEMU[1608555]: EFER=0000000000000d01
Aug 30 11:00:18 pve2.lan QEMU[1608555]: Code=48 23 c1 c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc 66 90 <eb> fe cc cc cc cc cc cc cc cc cc cc cc cc 48 89 5c 24 08 57 48 83 ec 20 0f b6 d9 44 0f 20

Second time I tried the vm outright rebooted. Same result when trying the same via RDP.

system: pve-manager/7.2-7/d0dd0e85 (running kernel: 5.15.39-4-pve)
vm config:
Code: 
agent: 1
balloon: 4096
bios: ovmf
boot:
cores: 4
cpu: host
efidisk0: local:101/vm-101-disk-0.raw,efitype=4m,pre-enrolled-keys=1,size=528K
hotplug: disk,usb
machine: pc-q35-6.2
memory: 8192
name: jeboturba
net0: virtio=EA:14:AC:08:4F:7C,bridge=vmbr0,firewall=1
numa: 0
ostype: win11
scsi0: local:101/vm-101-disk-3.qcow2,size=100G
scsihw: virtio-scsi-pci
smbios1: uuid=9fe652df-30ca-4947-bb0f-24239609e9fe
sockets: 1
startup: order=99
tablet: 1
tpmstate0: local:101/vm-101-disk-2.raw,size=4M,version=v2.0
vga: qxl,memory=128
vmgenid: b98d85df-dc16-482e-ae4e-4cdfd2267bee
 
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