On 5/27/23 02:12, Mike Larkin wrote:
On Fri, May 26, 2023 at 09:00:41PM +0200, Henryk Paluch wrote:fatal protection fault in supervisor modeFinally I was able to build custom ramdisk kernel with DDB to get stacktrace. Kernel ident: OpenBSD 7.3 (RAMDISK_CD) #1: Fri May 26 20:28:53 CEST 2023 root@openbsd-kvm.default:/usr/src/sys/arch/amd64/compile/RAMDISK_CD While installing sets from cd0: wdc_atapi_start: not ready, st = 50 kernel: protection fault trap, code=0 Stopped at wdcstart+0x19: movl 0x58(%rdi),%eax ddb> trace wdcstart(ffff80000007c168,ffff80000007c168,ffff80000007c168,10,ffff800021712d88,10282) at wdcstart+0x19 wdc_atapi_the_machine(ffff80000007c168,fffffd807e9aed08,2,ffff80000007c168,ffff80000007c168,fffffd807e9aed08) at wdc_atapi_the_machine+0x14a wdc_atapi_intr(ffff80000007c168,fffffd807e9aed08,1,ffff80000007c168,fffffd807e9aed08,ffff80000007c168) at wdc_atapi_intr+0x47 wdcintr(ffff80000007c168,ffff80000007c168,ffff800000024dc0,0,6,1) at wdcintr+0xae intr_handler(ffff800021712ed8,ffff800000065500,ffff800000065680,ffffffff811f91b0,ffffffff81211216,ffff800021712ec8) at intr_handler+0x26 Xintr_ioapic_edge14_untramp(0,ffffffff811f91b0,0,18041969,ffff800000024dc0,6) at Xintr_ioapic_edge14_untramp+0x18f Xspllower(0,0,ffff800000024d00,0,ffffffff81211455,602) at Xspllower+0xc scsi_xsh_runqueue(ffff800000024d00,ffff800000024d00,0,ffff800000024d00,ffff80000014b100,ffff800000023970) at scsi_xsh_runqueue+0xe3 scsi_xsh_add(ffff800000023970,ffff800000023970,fffffd806ccfc700,ffff800000023800,fffffd806ccfc7f0,6) at scsi_xsh_add+0x80 cdstrategy(fffffd806ccfc700,fffffd806ccfc700,fffffd806ccfc700,fffffd806ccfc700,fffffd806ccfc7f0,150) at cdstrategy+0xe4 spec_strategy(ffff8000217130c0,ffff8000217130c0,fffffd806ccfc700,1f,ffffffff81141f01,ffff8000217130b0) at spec_strategy+0x3f VOP_STRATEGY(fffffd807de4f6c8,fffffd806ccfc700,fffffd806ccfc700,fffffd807de4f6c8,ffffffff8114026b,ffff8000217130e0) at VOP_STRATEGY+0x3c cd9660_strategy(ffff800021713130,ffff800021713130,fffffd806ccfc700,4,fffffd807e9d2970,fffffd807e9d2970) at cd9660_strategy+0xce VOP_STRATEGY(fffffd807e9d2970,fffffd806ccfc700,fffffd806ccfc700,fffffd807e9d2970,ffffffff8114026b,ffff800021713150) at VOP_STRATEGY+0x3c bio_doread(fffffd807e9d2970,1c1e,800,4,ffff800000148f00,20) at bio_doread+0x67 breadn(fffffd807e9d2970,1bfe,800,ffff800000148e00,ffff800000148f00,20) at breadn+0x71 cd9660_read(ffff8000217132b0,ffff8000217132b0,fffffd807edfb170,fffffd807e9d2970,0,ffff8000217133e0) at cd9660_read+0x12b VOP_READ(fffffd807e9d2970,ffff8000217133e0,0,fffffd807f7bff08,fffffd807f7bff08,ffff800000000000) at VOP_READ+0x31 vn_read(fffffd807edfb170,ffff8000217133e0,0,fffffd807edfb170,fffffd807edfb170,20000) at vn_read+0xad dofilereadv(ffff8000216cd888,3,ffff8000217133e0,0,ffff8000217134a0,ffff8000216cd888) at dofilereadv+0x62 sys_read(ffff8000216cd888,ffff800021713450,ffff8000217134a0,ffff8000216cd888,1000,2d0170000) at sys_read+0x43 syscall(ffff800021713500,ffff800021713500,0,ffff8000216cd888,0,0) at syscall+0x201 Xsyscall(0,3,0,3,0,238128000) at Xsyscall+0x128 end of kernel end trace frame: 0x79ff6e90a870, count: -23 ddb>
... build omitted ...
--Henryk Paluchqemu command line for this vm?
Here is copy from host's /var/log/libvirt/qemu/openbsd7.3.log:2023-05-26 18:34:39.049+0000: starting up libvirt version: 8.0.0, qemu version: 6.2.0SUSE Linux Enterprise 15, kernel: 5.14.21-150400.24.63-default, hostname: zotac.example.com
LC_ALL=C \ PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin \ HOME=/var/lib/libvirt/qemu/domain-9-openbsd7.3 \ XDG_DATA_HOME=/var/lib/libvirt/qemu/domain-9-openbsd7.3/.local/share \ XDG_CACHE_HOME=/var/lib/libvirt/qemu/domain-9-openbsd7.3/.cache \ XDG_CONFIG_HOME=/var/lib/libvirt/qemu/domain-9-openbsd7.3/.config \ /usr/bin/qemu-system-x86_64 \ -name guest=openbsd7.3,debug-threads=on \ -S \-object '{"qom-type":"secret","id":"masterKey0","format":"raw","file":"/var/lib/libvirt/qemu/domain-9-openbsd7.3/master-key.aes"}' \ -machine pc-i440fx-6.2,usb=off,vmport=off,dump-guest-core=off,memory-backend=pc.ram \
-accel kvm \ -cpu host,migratable=on \ -m 2048 \-object '{"qom-type":"memory-backend-ram","id":"pc.ram","size":2147483648}' \
-overcommit mem-lock=off \ -smp 1,sockets=1,cores=1,threads=1 \ -uuid 5269af2c-b3df-45eb-9e57-10654a98f5d7 \ -no-user-config \ -nodefaults \ -chardev socket,id=charmonitor,fd=32,server=on,wait=off \ -mon chardev=charmonitor,id=monitor,mode=control \ -rtc base=utc,driftfix=slew \ -global kvm-pit.lost_tick_policy=delay \ -no-hpet \ -no-shutdown \ -global PIIX4_PM.disable_s3=1 \ -global PIIX4_PM.disable_s4=1 \ -boot strict=on \ -device ich9-usb-ehci1,id=usb,bus=pci.0,addr=0x4.0x7 \-device ich9-usb-uhci1,masterbus=usb.0,firstport=0,bus=pci.0,multifunction=on,addr=0x4 \
-device ich9-usb-uhci2,masterbus=usb.0,firstport=2,bus=pci.0,addr=0x4.0x1 \ -device ich9-usb-uhci3,masterbus=usb.0,firstport=4,bus=pci.0,addr=0x4.0x2 \ -device virtio-serial-pci,id=virtio-serial0,bus=pci.0,addr=0x5 \-blockdev '{"driver":"file","filename":"/var/lib/libvirt/images/openbsd7.3.qcow2","node-name":"libvirt-2-storage","cache":{"direct":false,"no-flush":true},"auto-read-only":true,"discard":"unmap"}' \ -blockdev '{"node-name":"libvirt-2-format","read-only":false,"discard":"unmap","cache":{"direct":false,"no-flush":true},"driver":"qcow2","file":"libvirt-2-storage","backing":null}' \ -device virtio-blk-pci,bus=pci.0,addr=0x6,drive=libvirt-2-format,id=virtio-disk0,bootindex=1,write-cache=on \ -blockdev '{"driver":"file","filename":"/opt/iso/install73.iso","node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \ -blockdev '{"node-name":"libvirt-1-format","read-only":true,"driver":"raw","file":"libvirt-1-storage"}' \ -device ide-cd,bus=ide.0,unit=0,share-rw=on,drive=libvirt-1-format,id=ide0-0-0,bootindex=2 \
-netdev tap,fd=33,id=hostnet0,vhost=on,vhostfd=35 \-device virtio-net-pci,netdev=hostnet0,id=net0,mac=52:54:00:f4:0c:46,bus=pci.0,addr=0x3 \
-chardev pty,id=charserial0 \ -device isa-serial,chardev=charserial0,id=serial0 \ -chardev spicevmc,id=charchannel0,name=vdagent \-device virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0,id=channel0,name=com.redhat.spice.0 \
-audiodev '{"id":"audio1","driver":"spice"}' \
-spice
port=5900,addr=127.0.0.1,disable-ticketing=on,image-compression=off,seamless-migration=on
\
-device
qxl-vga,id=video0,ram_size=67108864,vram_size=67108864,vram64_size_mb=0,vgamem_mb=16,max_outputs=1,bus=pci.0,addr=0x2
\
-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x7 \-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \
-msg timestamp=on Best regards --Henryk Paluch
