panic() at panic+0x15c sys/kern/subr_prf.c:207 malloc(fffffffffffff7e0,2,a) at malloc+0x9c9 sys/kern/kern_malloc.c:344 vm_get_info(ffff8000159141a0) at vm_get_info+0x9a VOP_IOCTL(fffffd80365915b0,c0185603,ffff8000159141a0,1,fffffd803f7c69c0,ffff8000ffff2508) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd802b2686a8,c0185603,ffff8000159141a0,ffff8000ffff2508) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:524 sys_ioctl(ffff8000ffff2508,ffff8000159142b8,ffff800015914300) at sys_ioctl+0x5b9 syscall(ffff800015914380) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff53,0,3,eab50506010) at Xsyscall+0x128 end of kernel end trace frame: 0xeae4d372d00, count: 6 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs.