On Sun, Nov 15, 2020 at 06:20:52PM +0000, Gabriel Garcia wrote: > Hi, > > I would like to run OpenBSD as stated on the subject - I have been able, > however, to run it successfully with "-cpu Opteron_G2-v1", but I would > rather use "-cpu host" instead. Also note that on an Intel host, OpenBSD > appears to work successfully on the same Linux base. > > qemu invocation that yields a trap: > qemu-system-x86_64 -enable-kvm -machine q35 -cpu > host,-nodeid-msr,-vmx-msr-bitmap,-popcnt,-tsc-deadline,-mmxext,-fxsr-opt,-pdpe1gb,-rdtscp,-3dnow,-3dnowext,-cmp-legacy,-svm,-cr8legacy,-abm,-sse4a,-misalignsse,-3dnowprefetch,-osvw,-amd-no-ssb > \ > > -drive file=/path/to/raw.img,format=raw,if=virtio \ > > -m 512M \ > > -display curses > > (note that `-cpu host` without deactivating any flag also yields a trap)
Try -cpu kvm64. > > dmesg output: > ddb> dmesg > > OpenBSD 6.8 (GENERIC) #1: Tue Nov 3 09:04:47 MST 2020 > > > [email protected]:/usr/src/sys/arch/amd64/compile/GENERIC > > real mem = 519954432 (495MB) > > avail mem = 489299968 (466MB) > > random: good seed from bootblocks > > mpath0 at root > > scsibus0 at mpath0: 256 targets > > mainbus0 at root > > bios0 at mainbus0: SMBIOS rev. 2.8 @ 0xf5aa0 (9 entries) > > bios0: vendor SeaBIOS version > "?-20190711_202441-buildvm-armv7-10.arm.fedorapro > > ject.org-2.fc31" date 04/01/2014 > > bios0: QEMU Standard PC (Q35 + ICH9, 2009) > > acpi0 at bios0: ACPI 3.0 > > acpi0: sleep states S3 S4 S5 > > acpi0: tables DSDT FACP APIC HPET MCFG WAET > > acpi0: wakeup devices > > acpitimer0 at acpi0: 3579545 Hz, 24 bits > > acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat > > cpu0 at mainbus0: apid 0 (boot processor) > > cpu0: AMD Turion(tm) II Neo N40L Dual-Core Processor, 1497.89 MHz, 10-06-03 > > cpu0: > FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH, > MMX,FXSR,SSE,SSE2,SSE3,CX16,x2APIC,POPCNT,DEADLINE,HV,NXE,MMXX,FFXSR,PAGE1GB, > RDTSCP,LONG,3DNOW2,3DNOW,LAHF,CMPLEG,SVM,AMCR8,ABM,SSE4A,MASSE,3DNOWP,OSVW, > > SSBDNR > > cpu0: 64KB 64b/line 2-way I-cache, 64KB 64b/line 2-way D-cache, 512KB > 64b/line 1 > > 6-way L2 cache, 16MB 64b/line 16-way L3 cache > > cpu0: ITLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped > > cpu0: DTLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped > > kernel: protection fault trap, code=0 > > Stopped at amd64_errata_setmsr+0x4e: wrmsr > > > Contents of CPU registers: > ddb> show registers > > rdi 0x9c5a203a > > rsi 0xffffffff820ff920 errata+0xe0 > > rbp 0xffffffff824c5740 end+0x2c5740 > > rbx 0x18 > > rdx 0 > > rcx 0xc0011029 > > rax 0x3 > > r8 0xffffffff824c55a8 end+0x2c55a8 > > r9 0 > > r10 0xbdf7dabff85d847b > > r11 0x51e076fef1dcfa7b > > r12 0 > > r13 0 > > r14 0xffffffff820ff940 acpihid_ca > > r15 0xffffffff820ff920 errata+0xe0 > > rip 0xffffffff81bc6ede amd64_errata_setmsr+0x4e > > cs 0x8 > > rflags 0x10256 __ALIGN_SIZE+0xf256 > > rsp 0xffffffff824c5730 end+0x2c5730 > > ss 0x10 > > amd64_errata_setmsr+0x4e: wrmsr > > > > Working system dmesg (only change from invocation above is "-cpu > Opteron_G2-v1"): > OpenBSD 6.8 (GENERIC) #1: Tue Nov 3 09:04:47 MST 2020 > > > [email protected]:/usr/src/sys/arch/amd64/compile/GENERIC > > real mem = 519950336 (495MB) > > avail mem = 489304064 (466MB) > > random: good seed from bootblocks > > mpath0 at root > > scsibus0 at mpath0: 256 targets > > mainbus0 at root > > bios0 at mainbus0: SMBIOS rev. 2.8 @ 0xf5aa0 (9 entries) > > bios0: vendor SeaBIOS version > "?-20190711_202441-buildvm-armv7-10.arm.fedoraproject.org-2.fc31" date > 04/01/2014 > > bios0: QEMU Standard PC (Q35 + ICH9, 2009) > > acpi0 at bios0: ACPI 3.0 > > acpi0: sleep states S3 S4 S5 > > acpi0: tables DSDT FACP APIC HPET MCFG WAET > > acpi0: wakeup devices > > acpitimer0 at acpi0: 3579545 Hz, 24 bits > > acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat > > cpu0 at mainbus0: apid 0 (boot processor) > > cpu0: AMD Opteron 22xx (Gen 2 Class Opteron), 1497.89 MHz, 0f-06-01 > > cpu0: > FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36, > CFLUSH,MMX,FXSR,SSE,SSE2,SSE3,CX16,x2APIC,HV,NXE,LONG,LAHF > > cpu0: 64KB 64b/line 2-way I-cache, 64KB 64b/line 2-way D-cache, 512KB > 64b/line 16-way L2 cache, 16MB 64b/line 16-way L3 cache > > cpu0: ITLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped > > cpu0: DTLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped > > cpu0: smt 0, core 0, package 0 > > mtrr: Pentium Pro MTRR support, 8 var ranges, 88 fixed ranges > > cpu0: apic clock running at 999MHz > > ioapic0 at mainbus0: apid 0 pa 0xfec00000, version 11, 24 pins > > acpihpet0 at acpi0: 100000000 Hz > > acpimcfg0 at acpi0 > > acpimcfg0: addr 0xb0000000, bus 0-255 > > acpiprt0 at acpi0: bus 0 (PCI0) > > "ACPI0006" at acpi0 not configured > > acpipci0 at acpi0 PCI0: 0x00000000 0x00000011 0x00000001 > > acpicmos0 at acpi0 > > "PNP0A06" at acpi0 not configured > > "PNP0A06" at acpi0 not configured > > "QEMU0002" at acpi0 not configured > > "ACPI0010" at acpi0 not configured > > acpicpu0 at acpi0: C1(@1 halt!) > > pvbus0 at mainbus0: KVM > > pvclock0 at pvbus0 > > pci0 at mainbus0 bus 0 > > pchb0 at pci0 dev 0 function 0 "Intel 82G33 Host" rev 0x00 > > vga1 at pci0 dev 1 function 0 "Bochs VGA" rev 0x02 > > wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation) > > wsdisplay0: screen 1-5 added (80x25, vt100 emulation) > > virtio0 at pci0 dev 2 function 0 "Qumranet Virtio Network" rev 0x00 > > vio0 at virtio0: address 9a:00:00:00:00:00 > > virtio0: msix shared > > xhci0 at pci0 dev 3 function 0 vendor "Red Hat", unknown product 0x000d rev > 0x01: apic 0 int 23, xHCI 0.0 > > usb0 at xhci0: USB revision 3.0 > > uhub0 at usb0 configuration 1 interface 0 "Red Hat xHCI root hub" rev > 3.00/1.00 addr 1 > > virtio1 at pci0 dev 4 function 0 "Qumranet Virtio Storage" rev 0x00 > > vioblk0 at virtio1 > > scsibus1 at vioblk0: 1 targets > > sd0 at scsibus1 targ 0 lun 0: <VirtIO, Block Device, > > > sd0: 51200MB, 512 bytes/sector, 104857600 sectors > > virtio1: msix shared > > pcib0 at pci0 dev 31 function 0 "Intel 82801IB LPC" rev 0x02 > > ahci0 at pci0 dev 31 function 2 "Intel 82801I AHCI" rev 0x02: msi, AHCI 1.0 > > ahci0: port 2: 1.5Gb/s > > scsibus2 at ahci0: 32 targets > > cd0 at scsibus2 targ 2 lun 0: <QEMU, QEMU DVD-ROM, 2.5+> removable > > ichiic0 at pci0 dev 31 function 3 "Intel 82801I SMBus" rev 0x02: apic 0 int > 16 > > iic0 at ichiic0 > > isa0 at pcib0 > > isadma0 at isa0 > > com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo > > pckbc0 at isa0 port 0x60/5 irq 1 irq 12 > > pckbd0 at pckbc0 (kbd slot) > > wskbd0 at pckbd0: console keyboard, using wsdisplay0 > > pms0 at pckbc0 (aux slot) > > wsmouse0 at pms0 mux 0 > > pcppi0 at isa0 port 0x61 > > spkr0 at pcppi0 > > lpt0 at isa0 port 0x378/4 irq 7 > > axe0 at uhub0 port 5 configuration 1 interface 0 "ASIX Electronics AX88772" > rev 2.00/0.01 addr 2 > > axe0: AX88772, address 00:50:b6:0b:cf:f0 > > ukphy0 at axe0 phy 16: Generic IEEE 802.3u media interface, rev. 1: OUI > 0x000ec6, model 0x0006 > > vscsi0 at root > > scsibus3 at vscsi0: 256 targets > > softraid0 at root > > scsibus4 at softraid0: 256 targets > > root on sd0a (50fd7af99e5255c1.a) swap on sd0b dump on sd0b > > > I have been trying to disable features on qemu invocation, changing the > "-machine" parameter and unloading the Linux msr module, without too much > success. Folks in #qemu suggested the workaround I'm using and advised that > the problem may be a CPU feature that I ought to disable, somehow. > > I know about https://www.openbsd.org/lyrics.html#62 (No QEMU, only DDB) :-) > However, if anybody has bumped into this and can successfully run OpenBSD as > a guest on this type of hardware, I would be grateful if they could throw me > a few ideas for me to try out. > > Thanks! > > > Gabriel > -- Juan Francisco Cantero Hurtado http://juanfra.info
