On Sat, May 27, 2023 at 06:49:48AM +0200, Henryk Paluch wrote: > > > 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 mode > > > > > > Finally 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 > > > [email protected]:/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 Paluch > > > > > > > qemu 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
I don't know what's wrong with atapi CD emulation on wdc(4), my recommendation would be to move the cd to a vioscsi device instead of wdc. -ml
