panic: Non dma-reachable buffer at curaddr 0xffff800026842000(raw) Starting stack trace... panic(ffffffff83080493) at panic+0x1ba sys/kern/subr_prf.c:229 _bus_dmamap_load_buffer(ffff80002a4e9028,ffff80000018f800,ffff800026842000,4000,0,ffff80002a4e9020,e5e2199b8d33424d,4000,ffff80000018f800,ffff800026842000) at _bus_dmamap_load_buffer+0x5ff sys/arch/amd64/amd64/bus_dma.c:727 _bus_dmamap_load(ffffffff8344a220,ffff80000018f800,ffff800026842000,4000,0,401) at _bus_dmamap_load+0xc2 sys/arch/amd64/amd64/bus_dma.c:271 vioscsi_scsi_cmd(fffffd8074036480) at vioscsi_scsi_cmd+0x221 sys/dev/pv/vioscsi.c:220 sdstart(fffffd8074036480) at sdstart+0x4b2 sys/scsi/sd.c:709 scsi_iopool_run(ffff8000000a2048) at scsi_iopool_run+0x165 sys/scsi/scsi_base.c:423 scsi_xsh_runqueue(ffff80000002f800) at scsi_xsh_runqueue+0x39d sys/scsi/scsi_base.c:599 scsi_xsh_add(ffff800000024b80) at scsi_xsh_add+0x115 sys/scsi/scsi_base.c:538 sdstrategy(fffffd8066807388) at sdstrategy+0x21b sys/scsi/sd.c:567 spec_strategy(ffff80002a4e92e8) at spec_strategy+0x45 sys/kern/spec_vnops.c:448 VOP_STRATEGY(fffffd8007c35798,fffffd8066807388) at VOP_STRATEGY+0xcc sys/kern/vfs_vops.c:636 ufs_strategy(ffff80002a4e9398) at ufs_strategy+0x1f6 VOP_STRATEGY(fffffd80667bc288,fffffd8066807388) at VOP_STRATEGY+0xcc sys/kern/vfs_vops.c:636 bwrite(fffffd8066807388) at bwrite+0x28a sys/kern/vfs_bio.c:757 VOP_BWRITE(fffffd8066807388) at VOP_BWRITE+0x60 sys/kern/vfs_vops.c:648 ffs_write(ffff80002a4e9550) at ffs_write+0x8a5 sys/ufs/ffs/ffs_vnops.c:379 VOP_WRITE(fffffd80667bc288,ffff80002a4e9600,3,fffffd807f7d7680) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 ktrwriteraw(ffff80002a456a28,fffffd80667bc288,fffffd807f7d7680,ffff80002a4e96c8,ffff80002a4e96a0) at ktrwriteraw+0x191 sys/kern/kern_ktrace.c:682 ktrgenio(ffff80002a456a28,3,1,ffff8000012e8610,b8) at ktrgenio+0x2b6 ktrwrite2 sys/kern/kern_ktrace.c:644 [inline] ktrgenio(ffff80002a456a28,3,1,ffff8000012e8610,b8) at ktrgenio+0x2b6 sys/kern/kern_ktrace.c:258 dofilewritev(ffff80002a456a28,3,ffff80002a4e9848,0,ffff80002a4e9900) at dofilewritev+0x4d3 sys/kern/sys_generic.c:401 sys_write(ffff80002a456a28,ffff80002a4e99b0,ffff80002a4e9900) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80002a4e99b0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x76b47e070a40, count: 234 End of stack trace.