I am guessing this does not have anything to do with vmm being loaded, but hardware being initialized in a particular order? If I load vmm in loader.conf, the box panics at boot up. However, manually loading it all seems to work. Hardware is PRIME X370-PRO, AMD Ryzen 5 1600X 32G RAM. FreeBSD 12.0-ALPHA9 r339328 GENERIC-NODEBUG Leading up to the crash, I see ugen0.1: <0x1022 XHCI root HUB> at usbus0 ugen1.1: <0x1b21 XHCI root HUB> at usbus1 Trying to mount root from zfs:zroot/ROOT/default []... uhub0: ugen2.1: <0x1022 XHCI root HUB> at usbus2 Root mount waiting for: usbus2<0x1022 XHCI root HUB, class 9/0, rev 3.00/1.00, addr 1> on usbus0 usbus1 usbus0 uhub1: <0x1022 XHCI root HUB, class 9/0, rev 3.00/1.00, addr 1> on usbus2 uhub2: <0x1b21 XHCI root HUB, class 9/0, rev 3.00/1.00, addr 1> on usbus1 uhub2: 4 ports with 4 removable, self powered uhub1: 8 ports with 8 removable, self powered uhub0: 22 ports with 22 removable, self powered Fatal trap 12: page fault while in kernel mode cpuid = 0; apic id = 00 fault virtual address = 0x398 fault code = supervisor write data, page not present instruction pointer = 0x20:0xffffffff8273d776 stack pointer = 0x28:0xfffffe0075d55230 frame pointer = 0x28:0xfffffe0075d55270 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 1 (kernel) [ thread pid 1 tid 100002 ] Stopped at rrw_enter_read_impl+0x36: lock cmpxchgq %r14,0x18(%rbx) db> bt Tracing pid 1 tid 100002 td 0xfffff8000567d580 rrw_enter_read_impl() at rrw_enter_read_impl+0x36/frame 0xfffffe0075d55270 zfs_mount() at zfs_mount+0x7b2/frame 0xfffffe0075d55400 vfs_domount() at vfs_domount+0x5b2/frame 0xfffffe0075d55630 vfs_donmount() at vfs_donmount+0x930/frame 0xfffffe0075d556d0 kernel_mount() at kernel_mount+0x3d/frame 0xfffffe0075d55720 parse_mount() at parse_mount+0x451/frame 0xfffffe0075d55860 vfs_mountroot() at vfs_mountroot+0x7a0/frame 0xfffffe0075d559f0 start_init() at start_init+0x27/frame 0xfffffe0075d55a70 fork_exit() at fork_exit+0x83/frame 0xfffffe0075d55ab0 fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0075d55ab0 --- trap 0, rip = 0, rsp = 0, rbp = 0 --- db> On a normal boot, the next line would be atrtc0 uhub0: Root mount waiting for: usbus2ugen2.1: <0x1022 XHCI root HUB> at usbus2 <0x1022 XHCI root HUB, class 9/0, rev 3.00/1.00, addr 1> on usbus0 usbus1 usbus0uhub1: <0x1b21 XHCI root HUB, class 9/0, rev 3.00/1.00, addr 1> on usbus1 uhub2: <0x1022 XHCI root HUB, class 9/0, rev 3.00/1.00, addr 1> on usbus2 uhub1: 4 ports with 4 removable, self powered uhub2: 8 ports with 8 removable, self powered uhub0: 22 ports with 22 removable, self powered atrtc0: providing initial system time start_init: trying /sbin/init Setting hostuuid: c3297ba0-3f01-11e7-8725-6045cba08a84. Setting hostid: 0x094fa67e. Starting file system checks: Mounting local filesystems:. ELF ldconfig path: /lib /usr/lib /usr/lib/compat /usr/local/lib /usr/local/lib/perl5/5.26/mach/CORE 32-bit compatibility ldconfig path: /usr/lib32 Setting hostname: ryzenbsd12.sentex.ca. Manually loading it, dmesg shows AMD-Vi: IVRS Info VAsize = 64 PAsize = 48 GVAsize = 2 flags:0 driver bug: Unable to set devclass (class: ppc devname: (unknown)) ivhd0: <AMD-Vi/IOMMU ivhd with EFR> on acpi0 ivhd0: Flag:b0<IotlbSup,Coherent> ivhd0: Features(type:0x11) MsiNumPPR = 0 PNBanks= 2 PNCounters= 0 ivhd0: Extended features[31:0]:22294ada<PPRSup,NXSup,GTSup,IASup> HATS = 0x2 GATS = 0x0 GLXSup = 0x1 SmiFSup = 0x1 SmiFRC = 0x2 GAMSup = 0x1 DualPortLogSup = 0x2 DualEventLogSup = 0x2 ivhd0: Extended features[62:32]:f77ef<USSup> Max PASID: 0x2f DevTblSegSup = 0x3 MarcSup = 0x1 ivhd0: supported paging level:7, will use only: 4 ivhd0: device range: 0x0 - 0xffff ivhd0: PCI cap 0x190b640f_at_0x40 feature:19<IOTLB,EFR,CapExt> and loading it manually with boot.verbose set pci0: driver added found-> vendor=0x1022, dev=0x1451, revid=0x00 domain=0, bus=0, slot=0, func=2 class=08-06-00, hdrtype=0x00, mfdev=1 cmdreg=0x0004, statreg=0x0010, cachelnsz=0 (dwords) lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns) MSI supports 4 messages, 64 bit pci0:0:0:2: reprobing on driver added found-> vendor=0x1022, dev=0x790b, revid=0x59 domain=0, bus=0, slot=20, func=0 class=0c-05-00, hdrtype=0x00, mfdev=1 cmdreg=0x0403, statreg=0x0220, cachelnsz=0 (dwords) lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns) pci0:0:20:0: reprobing on driver added pci1: driver added pci2: driver added pci3: driver added pci4: driver added pci5: driver added pci6: driver added pci7: driver added pci8: driver added pci9: driver added found-> vendor=0x1425, dev=0x5501, revid=0x00 domain=0, bus=9, slot=0, func=5 class=01-00-00, hdrtype=0x00, mfdev=1 cmdreg=0x0006, statreg=0x0010, cachelnsz=16 (dwords) lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns) intpin=b, irq=55 powerspec 3 supports D0 D3 current D0 MSI supports 32 messages, 64 bit, vector masks MSI-X supports 40 messages in map 0x20 pci0:9:0:5: reprobing on driver added found-> vendor=0x1425, dev=0x5601, revid=0x00 domain=0, bus=9, slot=0, func=6 class=0c-04-00, hdrtype=0x00, mfdev=1 cmdreg=0x0006, statreg=0x0010, cachelnsz=16 (dwords) lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns) intpin=c, irq=52 powerspec 3 supports D0 D3 current D0 MSI supports 32 messages, 64 bit, vector masks MSI-X supports 40 messages in map 0x20 pci0:9:0:6: reprobing on driver added pci10: driver added pci11: driver added found-> vendor=0x1022, dev=0x145a, revid=0x00 domain=0, bus=11, slot=0, func=0 class=13-00-00, hdrtype=0x00, mfdev=1 cmdreg=0x0007, statreg=0x0010, cachelnsz=16 (dwords) lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns) powerspec 3 supports D0 D3 current D0 pci0:11:0:0: reprobing on driver added found-> vendor=0x1022, dev=0x1456, revid=0x00 domain=0, bus=11, slot=0, func=2 class=10-80-00, hdrtype=0x00, mfdev=1 cmdreg=0x0007, statreg=0x0010, cachelnsz=16 (dwords) lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns) intpin=b, irq=36 powerspec 3 supports D0 D3 current D0 MSI supports 2 messages, 64 bit MSI-X supports 2 messages in map 0x24 pci0:11:0:2: reprobing on driver added pci12: driver added found-> vendor=0x1022, dev=0x1455, revid=0x00 domain=0, bus=12, slot=0, func=0 class=13-00-00, hdrtype=0x00, mfdev=1 cmdreg=0x0007, statreg=0x0010, cachelnsz=16 (dwords) lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns) powerspec 3 supports D0 D3 current D0 pci0:12:0:0: reprobing on driver added AMD-Vi: IVRS Info VAsize = 64 PAsize = 48 GVAsize = 2 flags:0 ivhd: ivhd0 already exists; skipping it ACPI: Processor \134_PR_.P00C (ACPI ID 13) ignored Table 'FACP' at 0xb5adbcb0 FACP: Found table at 0xb5adbcb0 ACPI: Processor \134_PR_.P00D (ACPI ID 14) ignored Table 'FACP' at 0xb5adbcb0 FACP: Found table at 0xb5adbcb0 ACPI: Processor \134_PR_.P00E (ACPI ID 15) ignored Table 'FACP' at 0xb5adbcb0 FACP: Found table at 0xb5adbcb0 ACPI: Processor \134_PR_.P00F (ACPI ID 16) ignored Table 'FACP' at 0xb5adbcb0 FACP: Found table at 0xb5adbcb0 Table 'FACP' at 0xb5adbcb0 FACP: Found table at 0xb5adbcb0 Table 'FACP' at 0xb5adbcb0 FACP: Found table at 0xb5adbcb0 Table 'FACP' at 0xb5adbcb0 FACP: Found table at 0xb5adbcb0 ppc: ppc-1 already exists; skipping it driver bug: Unable to set devclass (class: ppc devname: (unknown)) Table 'FACP' at 0xb5adbcb0 FACP: Found table at 0xb5adbcb0 Table 'FACP' at 0xb5adbcb0 FACP: Found table at 0xb5adbcb0 Table 'FACP' at 0xb5adbcb0 FACP: Found table at 0xb5adbcb0 Table 'FACP' at 0xb5adbcb0 FACP: Found table at 0xb5adbcb0 Table 'FACP' at 0xb5adbcb0 FACP: Found table at 0xb5adbcb0 Table 'FACP' at 0xb5adbcb0 FACP: Found table at 0xb5adbcb0 Table 'FACP' at 0xb5adbcb0 FACP: Found table at 0xb5adbcb0 Table 'FACP' at 0xb5adbcb0 FACP: Found table at 0xb5adbcb0 Table 'FACP' at 0xb5adbcb0 FACP: Found table at 0xb5adbcb0 Table 'FACP' at 0xb5adbcb0 FACP: Found table at 0xb5adbcb0 ivhd0: <AMD-Vi/IOMMU ivhd with EFR> on acpi0 ivhd0: Flag:b0<IotlbSup,Coherent> ivhd0: Features(type:0x11) MsiNumPPR = 0 PNBanks= 2 PNCounters= 0 ivhd0: Extended features[31:0]:22294ada<PPRSup,NXSup,GTSup,IASup> HATS = 0x2 GATS = 0x0 GLXSup = 0x1 SmiFSup = 0x1 SmiFRC = 0x2 GAMSup = 0x1 DualPortLogSup = 0x2 DualEventLogSup = 0x2 ivhd0: Extended features[62:32]:f77ef<USSup> Max PASID: 0x2f DevTblSegSup = 0x3 MarcSup = 0x1 ivhd0: supported paging level:7, will use only: 4 ivhd0: device range: 0x0 - 0xffff ivhd0: PCI cap 0x190b640f_at_0x40 feature:19<IOTLB,EFR,CapExt> msi: routing MSI IRQ 305 to local APIC 12 vector 52 ---Mike -- ------------------- Mike Tancsa, tel +1 519 651 3400 x203 Sentex Communications, mike_at_sentex.net Providing Internet services since 1994 www.sentex.net Cambridge, Ontario CanadaReceived on Fri Oct 12 2018 - 13:52:37 UTC
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