Date: Fri, 12 Oct 2018 11:52:35 -0400 From: Mike Tancsa <mike@sentex.net> To: FreeBSD-Current <freebsd-current@freebsd.org> Subject: Strange panic at boot with vmm in loader.conf vs manually loading it Message-ID: <8d6263ca-8fff-77e5-4a89-ccc98d03a417@sentex.net>
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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.=C2=A0 However, manually loading i=
t
all seems to work.=C2=A0 Hardware is PRIME X370-PRO, AMD Ryzen 5 1600X 32=
G
RAM.=C2=A0 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
=C2=A0usbus1 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 =3D 0; apic id =3D 00
fault virtual address=C2=A0=C2=A0 =3D 0x398
fault code=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0 =3D supervisor write data, page not present
instruction pointer=C2=A0=C2=A0=C2=A0=C2=A0 =3D 0x20:0xffffffff8273d776
stack pointer=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=3D 0x28:0xfffffe0075d55230
frame pointer=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=3D 0x28:0xfffffe0075d55270
code segment=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0 =3D base 0x0, limit 0xfffff, type 0x1b
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 =3D DPL 0=
, pres 1, long 1, def32 0, gran 1
processor eflags=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 =3D interrupt =
enabled, resume, IOPL =3D 0
current process=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 =3D 1 (ke=
rnel)
[ thread pid 1 tid 100002 ]
Stopped at=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 rrw_enter_read_impl+0x36:=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0 lock cmpxchgq=C2=A0=C2=A0
%r14,0x18(%rbx)
db> bt
Tracing pid 1 tid 100002 td 0xfffff8000567d580
rrw_enter_read_impl() at rrw_enter_read_impl+0x36/frame 0xfffffe0075d5527=
0
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 =3D 0, rsp =3D 0, rbp =3D 0 ---
db>
On a normal boot, the next line would be atrtc0
uhub0: Root mount waiting for: usbus2ugen2.1: <0x1022 XHCI root HUB> at u=
sbus2
<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, add=
r 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/loca=
l/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 =3D 64 PAsize =3D 48 GVAsize =3D 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 =3D 0 PNBanks=3D 2 PNCounters=3D 0
ivhd0: Extended features[31:0]:22294ada<PPRSup,NXSup,GTSup,IASup> HATS =3D=
0x2 GATS =3D 0x0 GLXSup =3D 0x1 SmiFSup =3D 0x1 SmiFRC =3D 0x2 GAMSup =3D=
0x1 DualPortLogSup =3D 0x2 DualEventLogSup =3D 0x2
ivhd0: Extended features[62:32]:f77ef<USSup> Max PASID: 0x2f DevTblSegSup=
=3D 0x3 MarcSup =3D 0x1
ivhd0: supported paging level:7, will use only: 4
ivhd0: device range: 0x0 - 0xffff
ivhd0: PCI cap 0x190b640f@0x40 feature:19<IOTLB,EFR,CapExt>
and loading it manually with boot.verbose set
pci0: driver added
found-> vendor=3D0x1022, dev=3D0x1451, revid=3D0x00
domain=3D0, bus=3D0, slot=3D0, func=3D2
class=3D08-06-00, hdrtype=3D0x00, mfdev=3D1
cmdreg=3D0x0004, statreg=3D0x0010, cachelnsz=3D0 (dwords)
lattimer=3D0x00 (0 ns), mingnt=3D0x00 (0 ns), maxlat=3D0x00 (0 ns=
)
MSI supports 4 messages, 64 bit
pci0:0:0:2: reprobing on driver added
found-> vendor=3D0x1022, dev=3D0x790b, revid=3D0x59
domain=3D0, bus=3D0, slot=3D20, func=3D0
class=3D0c-05-00, hdrtype=3D0x00, mfdev=3D1
cmdreg=3D0x0403, statreg=3D0x0220, cachelnsz=3D0 (dwords)
lattimer=3D0x00 (0 ns), mingnt=3D0x00 (0 ns), maxlat=3D0x00 (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=3D0x1425, dev=3D0x5501, revid=3D0x00
domain=3D0, bus=3D9, slot=3D0, func=3D5
class=3D01-00-00, hdrtype=3D0x00, mfdev=3D1
cmdreg=3D0x0006, statreg=3D0x0010, cachelnsz=3D16 (dwords)
lattimer=3D0x00 (0 ns), mingnt=3D0x00 (0 ns), maxlat=3D0x00 (0 ns=
)
intpin=3Db, irq=3D55
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=3D0x1425, dev=3D0x5601, revid=3D0x00
domain=3D0, bus=3D9, slot=3D0, func=3D6
class=3D0c-04-00, hdrtype=3D0x00, mfdev=3D1
cmdreg=3D0x0006, statreg=3D0x0010, cachelnsz=3D16 (dwords)
lattimer=3D0x00 (0 ns), mingnt=3D0x00 (0 ns), maxlat=3D0x00 (0 ns=
)
intpin=3Dc, irq=3D52
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=3D0x1022, dev=3D0x145a, revid=3D0x00
domain=3D0, bus=3D11, slot=3D0, func=3D0
class=3D13-00-00, hdrtype=3D0x00, mfdev=3D1
cmdreg=3D0x0007, statreg=3D0x0010, cachelnsz=3D16 (dwords)
lattimer=3D0x00 (0 ns), mingnt=3D0x00 (0 ns), maxlat=3D0x00 (0 ns=
)
powerspec 3 supports D0 D3 current D0
pci0:11:0:0: reprobing on driver added
found-> vendor=3D0x1022, dev=3D0x1456, revid=3D0x00
domain=3D0, bus=3D11, slot=3D0, func=3D2
class=3D10-80-00, hdrtype=3D0x00, mfdev=3D1
cmdreg=3D0x0007, statreg=3D0x0010, cachelnsz=3D16 (dwords)
lattimer=3D0x00 (0 ns), mingnt=3D0x00 (0 ns), maxlat=3D0x00 (0 ns=
)
intpin=3Db, irq=3D36
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=3D0x1022, dev=3D0x1455, revid=3D0x00
domain=3D0, bus=3D12, slot=3D0, func=3D0
class=3D13-00-00, hdrtype=3D0x00, mfdev=3D1
cmdreg=3D0x0007, statreg=3D0x0010, cachelnsz=3D16 (dwords)
lattimer=3D0x00 (0 ns), mingnt=3D0x00 (0 ns), maxlat=3D0x00 (0 ns=
)
powerspec 3 supports D0 D3 current D0
pci0:12:0:0: reprobing on driver added
AMD-Vi: IVRS Info VAsize =3D 64 PAsize =3D 48 GVAsize =3D 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 =3D 0 PNBanks=3D 2 PNCounters=3D 0
ivhd0: Extended features[31:0]:22294ada<PPRSup,NXSup,GTSup,IASup> HATS =3D=
0x2 GATS =3D 0x0 GLXSup =3D 0x1 SmiFSup =3D 0x1 SmiFRC =3D 0x2 GAMSup =3D=
0x1 DualPortLogSup =3D 0x2 DualEventLogSup =3D 0x2
ivhd0: Extended features[62:32]:f77ef<USSup> Max PASID: 0x2f DevTblSegSup=
=3D 0x3 MarcSup =3D 0x1
ivhd0: supported paging level:7, will use only: 4
ivhd0: device range: 0x0 - 0xffff
ivhd0: PCI cap 0x190b640f@0x40 feature:19<IOTLB,EFR,CapExt>
msi: routing MSI IRQ 305 to local APIC 12 vector 52
---Mike
--=20
-------------------
Mike Tancsa, tel +1 519 651 3400 x203
Sentex Communications, mike@sentex.net
Providing Internet services since 1994 www.sentex.net
Cambridge, Ontario Canada =20
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