On Wed, Aug 01, 2018 at 03:46:25PM +0200, Elmer Skjødt Henriksen wrote:
> After installing the 014_amdlfence patch released yesterday for 6.3, my
> OpenBSD VM crashes on boot. It's running under KVM on a Linux box (Ubuntu
> 18.04 w/ kernel 4.15) on an AMD Ryzen 7 1700 (microcode 0x8001137).
> I suppose this would also happen on vmm(4) and bhyve, however I don't have
> any such AMD hosts available for testing.
>
> It occurs both using libvirt's "EPYC" CPU model and using "host-passthrough"
> (i.e. no virtual CPU model), but the "core2duo" CPU model works fine.
>
> I guess not many people are running OpenBSD as a VM, and even less on AMD
> hardware. But still, a syspatch leaving the system unable to boot is
> probably not a good thing. :)
>
Perhaps there are some differences between Ryzen and Threadripper then. I run
Ubuntu 18.04 on a 1950X Threadripper and a couple of OpenBSD hosts under
libvirt/KVM and it works well here:
# uname -a
Linux 4.15.0-29-generic #31-Ubuntu SMP Tue Jul 17 15:39:52 UTC 2018 x86_64
x86_64 x86_64 GNU/Linux
<cpu mode='custom' match='exact' check='full'>
<model fallback='forbid'>EPYC</model>
<vendor>AMD</vendor>
<feature policy='require' name='x2apic'/>
<feature policy='require' name='tsc-deadline'/>
<feature policy='require' name='hypervisor'/>
<feature policy='require' name='tsc_adjust'/>
<feature policy='require' name='cmp_legacy'/>
<feature policy='require' name='virt-ssbd'/>
<feature policy='disable' name='monitor'/>
</cpu>
OpenBSD 6.3 (GENERIC.MP) #7: Sun Jul 29 11:43:12 CEST 2018
r...@syspatch-63-amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP
real mem = 4278054912 (4079MB)
avail mem = 4141334528 (3949MB)
mpath0 at root
scsibus0 at mpath0: 256 targets
mainbus0 at root
bios0 at mainbus0: SMBIOS rev. 2.8 @ 0xbffffc60 (17 entries)
bios0: vendor SeaBIOS version "1.10.2-1ubuntu1" date 04/01/2014
bios0: QEMU Standard PC (i440FX + PIIX, 1996)
acpi0 at bios0: rev 0
acpi0: sleep states S5
acpi0: tables DSDT FACP APIC
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 EPYC Processor, 3400.37 MHz
cpu0:
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,SSE3,PCLMUL,SSSE3,FMA3,CX16,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,AES,XSAVE,AVX,F16C,RDRAND,HV,NXE,MMXX,FFXSR,PAGE1GB,RDTSCP,LONG,LAHF,SVM,AMCR8,ABM,SSE4A,MASSE,3DNOWP,OSVW,FSGSBASE,BMI1,AVX2,SMEP,BMI2,RDSEED,ADX,SMAP,CLFLUSHOPT,SHA,XSAVEOPT,XSAVEC,XGETBV1
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
mtrr: Pentium Pro MTRR support, 8 var ranges, 88 fixed ranges
cpu0: apic clock running at 1000MHz
cpu1 at mainbus0: apid 1 (application processor)
cpu1: AMD EPYC Processor, 3399.97 MHz
cpu1:
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,SSE3,PCLMUL,SSSE3,FMA3,CX16,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,AES,XSAVE,AVX,F16C,RDRAND,HV,NXE,MMXX,FFXSR,PAGE1GB,RDTSCP,LONG,LAHF,SVM,AMCR8,ABM,SSE4A,MASSE,3DNOWP,OSVW,FSGSBASE,BMI1,AVX2,SMEP,BMI2,RDSEED,ADX,SMAP,CLFLUSHOPT,SHA,XSAVEOPT,XSAVEC,XGETBV1
cpu1: 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
cpu1: ITLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped
cpu1: DTLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped
cpu2 at mainbus0: apid 2 (application processor)
cpu2: AMD EPYC Processor, 3399.98 MHz
cpu2:
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,SSE3,PCLMUL,SSSE3,FMA3,CX16,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,AES,XSAVE,AVX,F16C,RDRAND,HV,NXE,MMXX,FFXSR,PAGE1GB,RDTSCP,LONG,LAHF,SVM,AMCR8,ABM,SSE4A,MASSE,3DNOWP,OSVW,FSGSBASE,BMI1,AVX2,SMEP,BMI2,RDSEED,ADX,SMAP,CLFLUSHOPT,SHA,XSAVEOPT,XSAVEC,XGETBV1
cpu2: 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
cpu2: ITLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped
cpu2: DTLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped
cpu3 at mainbus0: apid 3 (application processor)
cpu3: AMD EPYC Processor, 3399.98 MHz
cpu3:
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,SSE3,PCLMUL,SSSE3,FMA3,CX16,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,AES,XSAVE,AVX,F16C,RDRAND,HV,NXE,MMXX,FFXSR,PAGE1GB,RDTSCP,LONG,LAHF,SVM,AMCR8,ABM,SSE4A,MASSE,3DNOWP,OSVW,FSGSBASE,BMI1,AVX2,SMEP,BMI2,RDSEED,ADX,SMAP,CLFLUSHOPT,SHA,XSAVEOPT,XSAVEC,XGETBV1
cpu3: 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
cpu3: ITLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped
cpu3: DTLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped
cpu4 at mainbus0: apid 4 (application processor)
cpu4: AMD EPYC Processor, 3399.97 MHz
cpu4:
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,SSE3,PCLMUL,SSSE3,FMA3,CX16,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,AES,XSAVE,AVX,F16C,RDRAND,HV,NXE,MMXX,FFXSR,PAGE1GB,RDTSCP,LONG,LAHF,SVM,AMCR8,ABM,SSE4A,MASSE,3DNOWP,OSVW,FSGSBASE,BMI1,AVX2,SMEP,BMI2,RDSEED,ADX,SMAP,CLFLUSHOPT,SHA,XSAVEOPT,XSAVEC,XGETBV1
cpu4: 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
cpu4: ITLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped
cpu4: DTLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped
cpu5 at mainbus0: apid 5 (application processor)
cpu5: AMD EPYC Processor, 3399.97 MHz
cpu5:
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,SSE3,PCLMUL,SSSE3,FMA3,CX16,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,AES,XSAVE,AVX,F16C,RDRAND,HV,NXE,MMXX,FFXSR,PAGE1GB,RDTSCP,LONG,LAHF,SVM,AMCR8,ABM,SSE4A,MASSE,3DNOWP,OSVW,FSGSBASE,BMI1,AVX2,SMEP,BMI2,RDSEED,ADX,SMAP,CLFLUSHOPT,SHA,XSAVEOPT,XSAVEC,XGETBV1
cpu5: 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
cpu5: ITLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped
cpu5: DTLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped
cpu6 at mainbus0: apid 6 (application processor)
cpu6: AMD EPYC Processor, 3399.99 MHz
cpu6:
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,SSE3,PCLMUL,SSSE3,FMA3,CX16,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,AES,XSAVE,AVX,F16C,RDRAND,HV,NXE,MMXX,FFXSR,PAGE1GB,RDTSCP,LONG,LAHF,SVM,AMCR8,ABM,SSE4A,MASSE,3DNOWP,OSVW,FSGSBASE,BMI1,AVX2,SMEP,BMI2,RDSEED,ADX,SMAP,CLFLUSHOPT,SHA,XSAVEOPT,XSAVEC,XGETBV1
cpu6: 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
cpu6: ITLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped
cpu6: DTLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped
cpu7 at mainbus0: apid 7 (application processor)
cpu7: AMD EPYC Processor, 3399.99 MHz
cpu7:
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,SSE3,PCLMUL,SSSE3,FMA3,CX16,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,AES,XSAVE,AVX,F16C,RDRAND,HV,NXE,MMXX,FFXSR,PAGE1GB,RDTSCP,LONG,LAHF,SVM,AMCR8,ABM,SSE4A,MASSE,3DNOWP,OSVW,FSGSBASE,BMI1,AVX2,SMEP,BMI2,RDSEED,ADX,SMAP,CLFLUSHOPT,SHA,XSAVEOPT,XSAVEC,XGETBV1
cpu7: 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
cpu7: ITLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped
cpu7: DTLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped
ioapic0 at mainbus0: apid 0 pa 0xfec00000, version 11, 24 pins
acpiprt0 at acpi0: bus 0 (PCI0)
acpicpu0 at acpi0: C1(@1 halt!)
acpicpu1 at acpi0: C1(@1 halt!)
acpicpu2 at acpi0: C1(@1 halt!)
acpicpu3 at acpi0: C1(@1 halt!)
acpicpu4 at acpi0: C1(@1 halt!)
acpicpu5 at acpi0: C1(@1 halt!)
acpicpu6 at acpi0: C1(@1 halt!)
acpicpu7 at acpi0: C1(@1 halt!)
"ACPI0006" at acpi0 not configured
"PNP0A06" at acpi0 not configured
"PNP0A06" at acpi0 not configured
"PNP0A06" at acpi0 not configured
"QEMU0002" at acpi0 not configured
"ACPI0010" at acpi0 not configured
pvbus0 at mainbus0: KVM
pci0 at mainbus0 bus 0
pchb0 at pci0 dev 0 function 0 "Intel 82441FX" rev 0x02
pcib0 at pci0 dev 1 function 0 "Intel 82371SB ISA" rev 0x00
pciide0 at pci0 dev 1 function 1 "Intel 82371SB IDE" rev 0x00: DMA, channel 0
wired to compatibility, channel 1 wired to compatibility
wd0 at pciide0 channel 0 drive 0: <QEMU HARDDISK>
wd0: 16-sector PIO, LBA48, 20480MB, 41943040 sectors
wd1 at pciide0 channel 0 drive 1: <QEMU HARDDISK>
wd1: 16-sector PIO, LBA48, 10240MB, 20971520 sectors
wd0(pciide0:0:0): using PIO mode 4, DMA mode 2
wd1(pciide0:0:1): using PIO mode 4, DMA mode 2
pciide0: channel 1 disabled (no drives)
piixpm0 at pci0 dev 1 function 3 "Intel 82371AB Power" rev 0x03: apic 0 int 9
iic0 at piixpm0
virtio0 at pci0 dev 2 function 0 "Qumranet Virtio Console" rev 0x00
virtio0: no matching child driver; not configured
virtio1 at pci0 dev 3 function 0 "Qumranet Virtio Network" rev 0x00
vio0 at virtio1: address XX:XX:XX:XX:XX:XX
virtio1: msix shared
uhci0 at pci0 dev 5 function 0 "Intel 82801I USB" rev 0x03: apic 0 int 10
uhci1 at pci0 dev 5 function 1 "Intel 82801I USB" rev 0x03: apic 0 int 10
uhci2 at pci0 dev 5 function 2 "Intel 82801I USB" rev 0x03: apic 0 int 11
ehci0 at pci0 dev 5 function 7 "Intel 82801I USB" rev 0x03: apic 0 int 11
usb0 at ehci0: USB revision 2.0
uhub0 at usb0 configuration 1 interface 0 "Intel EHCI root hub" rev 2.00/1.00
addr 1
virtio2 at pci0 dev 7 function 0 "Qumranet Virtio Memory" rev 0x00
viomb0 at virtio2
virtio2: apic 0 int 11
isa0 at pcib0
isadma0 at isa0
fdc0 at isa0 port 0x3f0/6 irq 6 drq 2
com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
com0: console
pckbc0 at isa0 port 0x60/5 irq 1 irq 12
pckbd0 at pckbc0 (kbd slot)
wskbd0 at pckbd0 mux 1
pms0 at pckbc0 (aux slot)
wsmouse0 at pms0 mux 0
pcppi0 at isa0 port 0x61
spkr0 at pcppi0
usb1 at uhci0: USB revision 1.0
uhub1 at usb1 configuration 1 interface 0 "Intel UHCI root hub" rev 1.00/1.00
addr 1
usb2 at uhci1: USB revision 1.0
uhub2 at usb2 configuration 1 interface 0 "Intel UHCI root hub" rev 1.00/1.00
addr 1
usb3 at uhci2: USB revision 1.0
uhub3 at usb3 configuration 1 interface 0 "Intel UHCI root hub" rev 1.00/1.00
addr 1
vmm0 at mainbus0: SVM
vscsi0 at root
scsibus1 at vscsi0: 256 targets
softraid0 at root
scsibus2 at softraid0: 256 targets
// Penty
