Looks like the VM which I am guessing is the igpu one is getting a bad address fault. Does the igpu disappear at the same time.
char device redirected to /dev/pts/2 (label charserial0)
error: kvm run failed Bad address
RAX=0000000000000000 RBX=ffffab1cc1800000 RCX=0000000000000000 RDX=ffffab1cc1fff838
RSI=00000000000fff07 RDI=ffff8d33cb4d7828 RBP=ffffab1cc56cbcc0 RSP=ffffab1cc56cbca0
R8 =0000000000000016 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000000
R12=00000000000fff07 R13=000000010d1af001 R14=00000000000000f9 R15=0000000000000000
RIP=ffffffffc0dbb7e7 RFL=00010202 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0
ES =0000 0000000000000000 ffffffff 00c00000
CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA]
DS =0000 0000000000000000 ffffffff 00c00000
FS =0000 0000000000000000 ffffffff 00c00000
GS =0000 ffff8d3479c80000 ffffffff 00c00000
LDT=0000 0000000000000000 00000000 00000000
TR =0040 fffffe0e7ce7d000 00004087 00008b00 DPL=0 TSS64-busy
GDT= fffffe0e7ce7b000 0000007f
IDT= fffffe0000000000 00000fff
CR0=80050033 CR2=00007f8689aa05b0 CR3=000000010c7f6005 CR4=00370ee0
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000
DR6=00000000ffff0ff0 DR7=0000000000000400
EFER=0000000000000d01
Code=d6 72 39 45 85 c0 74 17 31 c0 48 63 d0 4c 01 e2 48 8d 14 d3 <4c> 89 2a 83 c0 01 44 39 c0 75 eb 5b 41 5c 41 5d 41 5e 5d 31 c0 31 d2 31 c9 31 f6 31 ff 45
2023-10-20T10:47:03.136967Z qemu-system-x86_64: terminating on signal 15 from pid 10535 (/usr/sbin/libvirtd)
2023-10-20 10:47:03.737+0000: shutting down, reason=destroyed