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Re: kern/56711: amdgpu occasionally crashes on boot



The following reply was made to PR kern/56711; it has been noted by GNATS.

From: Andrius V <vezhlys%gmail.com@localhost>
To: kern-bug-people%netbsd.org@localhost, gnats-admin%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost, 
	gnats-bugs%netbsd.org@localhost
Cc: 
Subject: Re: kern/56711: amdgpu occasionally crashes on boot
Date: Mon, 14 Feb 2022 00:38:33 +0200

 It's also likely a duplicate of PR kern/56565.
 
 
 On Sun, Feb 13, 2022 at 11:00 PM <vezhlys%gmail.com@localhost> wrote:
 >
 > >Number:         56711
 > >Category:       kern
 > >Synopsis:       amdgpu occasionally crashes on boot
 > >Confidential:   no
 > >Severity:       serious
 > >Priority:       medium
 > >Responsible:    kern-bug-people
 > >State:          open
 > >Class:          sw-bug
 > >Submitter-Id:   net
 > >Arrival-Date:   Sun Feb 13 21:00:00 +0000 2022
 > >Originator:     Andrius V
 > >Release:        9.99.93
 > >Organization:
 > >Environment:
 > NetBSD 9.99.93 (GENERIC_AMDGPU) #0: Sun Feb 13 13:11:00 EET 2022  andrius=
 v@:/home/andriusv/netbsd-src/sys/arch/amd64/compile/GENERIC_AMDGPU amd64
 >
 > >Description:
 > NetBSD occasionally crashes on boot with amdgpu/amdgpufb enabled kernel (=
 firmware is installed). Unfortunately, I can't find the pattern on how to r=
 eproduce crash each time, but it just happens after several attempts, usual=
 ly if Xorg was started before reboot or cold boot.
 >
 > full dmesg (with crash message):
 > [   1.0000000] cpu_rng: rdrand/rdseed
 > [   1.0000000] entropy: ready
 > [   1.0000000] entropy: entering seed from bootloader with 256 bits of en=
 tropy
 > [   1.0000000] Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 20=
 03, 2004, 2005,
 > [   1.0000000]     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, =
 2015, 2016, 2017,
 > [   1.0000000]     2018, 2019, 2020, 2021, 2022
 > [   1.0000000]     The NetBSD Foundation, Inc.  All rights reserved.
 > [   1.0000000] Copyright (c) 1982, 1986, 1989, 1991, 1993
 > [   1.0000000]     The Regents of the University of California.  All righ=
 ts reserved.
 >
 > [   1.0000000] NetBSD 9.99.93 (GENERIC_AMDGPU) #0: Sun Feb 13 13:11:00 EE=
 T 2022
 > [   1.0000000]  andriusv@:/home/andriusv/netbsd-src/sys/arch/amd64/compil=
 e/GENERIC_AMDGPU
 > [   1.0000000] total memory =3D 32719 MB
 > [   1.0000000] avail memory =3D 31681 MB
 > [   1.0000030] efi: systbl at pa dca8b018
 > [   1.0000030] mainbus0 (root)
 > [   1.0000030] ACPI: RSDP 0x00000000DBF5C000 000024 (v02 ALASKA)
 > [   1.0000030] ACPI: XSDT 0x00000000DBF5C0A0 0000C4 (v01 ALASKA A M I    =
 01072009 AMI  00010013)
 > [   1.0000030] ACPI: FACP 0x00000000DBF61810 000114 (v06 ALASKA A M I    =
 01072009 AMI  00010013)
 > [   1.0000030] ACPI: DSDT 0x00000000DBF5C200 005610 (v02 ALASKA A M I    =
 01072009 INTL 20120913)
 > [   1.0000030] ACPI: FACS 0x00000000DBFF8E00 000040
 > [   1.0000030] ACPI: APIC 0x00000000DBF61928 00015E (v03 ALASKA A M I    =
 01072009 AMI  00010013)
 > [   1.0000030] ACPI: FPDT 0x00000000DBF61A88 000044 (v01 ALASKA A M I    =
 01072009 AMI  00010013)
 > [   1.0000030] ACPI: FIDT 0x00000000DBF61AD0 00009C (v01 ALASKA A M I    =
 01072009 AMI  00010013)
 > [   1.0000030] ACPI: SSDT 0x00000000DBF61B70 0000C8 (v02 ALASKA CPUSSDT  =
 01072009 AMI  01072009)
 > [   1.0000030] ACPI: SSDT 0x00000000DBF61C38 008C98 (v02 AMD    AMD ALIB =
 00000002 MSFT 04000000)
 > [   1.0000030] ACPI: SSDT 0x00000000DBF6A8D0 0036B9 (v01 AMD    AMD AOD  =
 00000001 INTL 20120913)
 > [   1.0000030] ACPI: MCFG 0x00000000DBF6DF90 00003C (v01 ALASKA A M I    =
 01072009 MSFT 00010013)
 > [   1.0000030] ACPI: BHMB 0x00000000DBF6DFD0 000474 (v01 ALASKA A M I    =
 00000001 AMI  00000001)
 > [   1.0000030] ACPI: HPET 0x00000000DBF6E448 000038 (v01 ALASKA A M I    =
 01072009 AMI  00000005)
 > [   1.0000030] ACPI: UEFI 0x00000000DBF6E480 000042 (v01 ALASKA A M I    =
 00000002      01000013)
 > [   1.0000030] ACPI: TPM2 0x00000000DBF6E4C8 000038 (v04 ALASKA A M I    =
 00000001 AMI  00000000)
 > [   1.0000030] ACPI: IVRS 0x00000000DBF6E500 0000D0 (v02 AMD    AMD IVRS =
 00000001 AMD  00000000)
 > [   1.0000030] ACPI: PCCT 0x00000000DBF6E5D0 00006E (v01 AMD    AMD PCCT =
 00000001 AMD  00000000)
 > [   1.0000030] ACPI: SSDT 0x00000000DBF6E640 002F29 (v01 P    AMD CPU  00=
 000001 AMD  00000001)
 > [   1.0000030] ACPI: CRAT 0x00000000DBF71570 000B58 (v01 AMD    AMD CRAT =
 00000001 AMD  00000001)
 > [   1.0000030] ACPI: CDIT 0x00000000DBF720C8 000029 (v01 AMD    AMD CDIT =
 00000001 AMD  00000001)
 > [   1.0000030] ACPI: SSDT 0x00000000DBF720F8 001D4A (v01 AMD    AmdTable =
 00000001 INTL 20120913)
 > [   1.0000030] ACPI: SSDT 0x00000000DBF73E48 0000BF (v01 AMD    AMD PT   =
 00001000 INTL 20120913)
 > [   1.0000030] ACPI: WSMT 0x00000000DBF73F08 000028 (v01 ALASKA A M I    =
 01072009 AMI  00010013)
 > [   1.0000030] ACPI: 7 ACPI AML tables successfully acquired and loaded
 > [   1.0000030] ioapic0 at mainbus0 apid 13
 > [   1.0000030] ioapic1 at mainbus0 apid 14
 > [   1.0000030] cpu0 at mainbus0 apid 0
 > [   1.0000030] cpu0: AMD Ryzen 5 3600 6-Core Processor              , id =
 0x870f10
 > [   1.0000030] cpu0: node 0, package 0, core 0, smt 0
 > [   1.0000030] cpu1 at mainbus0 apid 2
 > [   1.0000030] cpu1: AMD Ryzen 5 3600 6-Core Processor              , id =
 0x870f10
 > [   1.0000030] cpu1: node 0, package 0, core 1, smt 0
 > [   1.0000030] cpu2 at mainbus0 apid 4
 > [   1.0000030] cpu2: AMD Ryzen 5 3600 6-Core Processor              , id =
 0x870f10
 > [   1.0000030] cpu2: node 0, package 0, core 2, smt 0
 > [   1.0000030] cpu3 at mainbus0 apid 8
 > [   1.0000030] cpu3: AMD Ryzen 5 3600 6-Core Processor              , id =
 0x870f10
 > [   1.0000030] cpu3: node 0, package 0, core 4, smt 0
 > [   1.0000030] cpu4 at mainbus0 apid 10
 > [   1.0000030] cpu4: AMD Ryzen 5 3600 6-Core Processor              , id =
 0x870f10
 > [   1.0000030] cpu4: node 0, package 0, core 5, smt 0
 > [   1.0000030] cpu5 at mainbus0 apid 12
 > [   1.0000030] cpu5: AMD Ryzen 5 3600 6-Core Processor              , id =
 0x870f10
 > [   1.0000030] cpu5: node 0, package 0, core 6, smt 0
 > [   1.0000030] cpu6 at mainbus0 apid 1
 > [   1.0000030] cpu6: AMD Ryzen 5 3600 6-Core Processor              , id =
 0x870f10
 > [   1.0000030] cpu6: node 0, package 0, core 0, smt 1
 > [   1.0000030] cpu7 at mainbus0 apid 3
 > [   1.0000030] cpu7: AMD Ryzen 5 3600 6-Core Processor              , id =
 0x870f10
 > [   1.0000030] cpu7: node 0, package 0, core 1, smt 1
 > [   1.0000030] cpu8 at mainbus0 apid 5
 > [   1.0000030] cpu8: AMD Ryzen 5 3600 6-Core Processor              , id =
 0x870f10
 > [   1.0000030] cpu8: node 0, package 0, core 2, smt 1
 > [   1.0000030] cpu9 at mainbus0 apid 9
 > [   1.0000030] cpu9: AMD Ryzen 5 3600 6-Core Processor              , id =
 0x870f10
 > [   1.0000030] cpu9: node 0, package 0, core 4, smt 1
 > [   1.0000030] cpu10 at mainbus0 apid 11
 > [   1.0000030] cpu10: AMD Ryzen 5 3600 6-Core Processor              , id=
  0x870f10
 > [   1.0000030] cpu10: node 0, package 0, core 5, smt 1
 > [   1.0000030] cpu11 at mainbus0 apid 13
 > [   1.0000030] cpu11: AMD Ryzen 5 3600 6-Core Processor              , id=
  0x870f10
 > [   1.0000030] cpu11: node 0, package 0, core 6, smt 1
 > [   1.0000030] acpi0 at mainbus0: Intel ACPICA 20211217
 > [   1.0000030] acpi0: invalid PCI address for D020
 > [   1.0000030] acpi0: invalid PCI address for D025
 > [   1.0000030] acpi0: fixed power button present
 > [   1.0248349] hpet0 at acpi0: high precision event timer (mem 0xfed00000=
 -0xfed00400)
 > [   1.0323079] AMDN (PNP0C01) at acpi0 not configured
 > [   1.0323079] attimer1 at acpi0 (TMR, PNP0100): io 0x40-0x43 irq 0
 > [   1.0323079] pcppi1 at acpi0 (SPKR, PNP0800): io 0x61
 > [   1.0323079] spkr0 at pcppi1: PC Speaker
 > [   1.0323079] wsbell at spkr0 not configured
 > [   1.0323079] midi0 at pcppi1: PC speaker
 > [   1.0323079] sysbeep0 at pcppi1
 > [   1.0323079] pckbc1 at acpi0 (PS2K, PNP0303-0) (kbd port): io 0x60,0x64=
  irq 1
 > [   1.0323079] com0 at acpi0 (UAR1, PNP0501-0): io 0x3f8-0x3ff irq 4
 > [   1.0323079] com: ns16550a, 16-byte FIFO
 > [   1.0323079] com0: console
 > [   1.0323079] acpibut0 at acpi0 (PWRB, PNP0C0C-170): ACPI Power Button
 > [   1.0323079] GPIO (AMDI0030) at acpi0 not configured
 > [   1.0323079] TPM (MSFT0101) at acpi0 not configured
 > [   1.0323079] PTIO (AMDIF030) at acpi0 not configured
 > [   1.0323079] acpitz0 at acpi0 (THRM)
 > [   1.0323079] acpiwmi0 at acpi0 (AOD, PNP0C14-AOD): ACPI WMI Interface
 > [   1.0323079] acpiwmibus at acpiwmi0 not configured
 > [   1.0323079] ACPI: Enabled 1 GPEs in block 00 to 1F
 > [   1.0323079] attimer1: attached to pcppi1
 > [   1.0323079] pci0 at mainbus0 bus 0: configuration mode 1
 > [   1.0323079] amdsmn0 at pci0 dev 0 function 0: AMD System Management Ne=
 twork
 > [   1.0323079] amdzentemp0 at amdsmn0: AMD CPU Temperature Sensors (Famil=
 y17h)
 > [   1.0323079] AMD Family17h/7xh IOMMU (IOMMU system) at pci0 dev 0 funct=
 ion 2 not configured
 > [   1.0323079] pchb0 at pci0 dev 1 function 0: AMD 17h/7xh Host Bridge (r=
 ev. 0x00)
 > [   1.0323079] ppb0 at pci0 dev 1 function 1: AMD 17h/7xh PCIe (rev. 0x00=
 )
 > [   1.0323079] ppb0: PCI Express capability version 2 <Root Port of PCI-E=
  Root Complex> x8 @ 8.0GT/s
 > [   1.0323079] ppb0: link is x4 @ 8.0GT/s
 > [   1.0323079] pci1 at ppb0 bus 1
 > [   1.0323079] xhci0 at pci1 dev 0 function 0: AMD product 43b9 (rev. 0x0=
 2)
 > [   1.0323079] xhci0: interrupting at msi0 vec 0
 > [   1.0323079] usb0 at xhci0: USB revision 3.1
 > [   1.0323079] usb1 at xhci0: USB revision 2.0
 > [   1.0323079] ahcisata0 at pci1 dev 0 function 1: AMD product 43b5 (rev.=
  0x02)
 > [   1.0323079] ahcisata0: AHCI revision 1.31, 8 ports, 32 slots, CAP 0xef=
 36ff27<SXS,PSC,SSC,PMD,SPM,SAM,R&#65533;x3=3DGen3,SCLO,SAL,SALP,SSS,SSNTF,S=
 N>
 > [   1.0323079] ahcisata0: interrupting at msi1 vec 0
 > [   1.0323079] atabus0 at ahcisata0 channel 0
 > [   1.0323079] atabus1 at ahcisata0 channel 1
 > [   1.0323079] atabus2 at ahcisata0 channel 2
 > [   1.0323079] abus3 at ahcisata0 channel 3
 > [   1.0323079] atabus4 at ahcisata0 channel 4
 > [   1.032Latabus5 at ahcisata0 channel 5
 > [   1.0323079] atabus6 at ahcisata0 channel 6
 > [   1.0323079] atabus7 at ahcisata0 channel 7
 > [   1.0323079] ppb1 at pci1 dev 0 function 2: AMD product 43b0 (rev. 0x02=
 )
 > [   1.0323079] ppb1: PCI Express capability version 2 <Upstream Port of P=
 CI-E Switch>
 > [   1.0323079] pci2 at ppb1 bus 2
 > [   1.0323079] ppb2 at pci2 dev 0 function 0: AMD 300 Series PCIe (rev. 0=
 x02)
 > [   1.0323079] ppb2: PCI Express capability version 2 <Downstream Port of=
  PCI-E Switch> x1 @ 5.0GT/s
 > [   1.0323079] pci3 at ppb2 bus 3
 > [   1.0323079] ppb3 at pci2 dev 1 function 0: AMD 300 Series PCIe (rev. 0=
 x02)
 > [   1.0323079] ppb3: PCI Express capability version 2 <Downstream Port of=
  PCI-E Switch> x1 @ 5.0GT/s
 > [   1.0323079] ppb3: link is x1 @ 2.5GT/s
 > [   1.0323079] pci4 at ppb3 bus 4
 > [   1.0323079] ppb4 at pci4 dev 0 function 0: ASMedia ASM1083/1085 PCIe-P=
 CI Bridge (rev. 0x03)
 > [   1.0323079] pci5 at ppb4 bus 5
 > [   1.0323079] ppb5 at pci2 dev 2 function 0: AMD 300 Series PCIe (rev. 0=
 x02)
 > [   1.0323079] ppb5: PCI Express capability version 2 <Downstream Port of=
  PCI-E Switch> x1 @ 5.0GT/s
 > [   1.0323079] pci6 at ppb5 bus 6
 > [   1.0323079] ppb6 at pci2 dev 3 function 0: AMD 300 Series PCIe (rev. 0=
 x02)
 > [   1.0323079] ppb6: PCI Express capability version 2 <Downstream Port of=
  PCI-E Switch> x1 @ 5.0GT/s
 > [   1.0323079] pci7 at ppb6 bus 7
 > [   1.0323079] ppb7 at pci2 dev 4 function 0: AMD 300 Series PCIe (rev. 0=
 x02)
 > [   1.0323079] ppb7: PCI Express capability version 2 <Downstream Port of=
  PCI-E Switch> x2 @ 5.0GT/s
 > [   1.0323079] pci8 at ppb7 bus 8
 > [   1.0323079] aq0 at pci8 dev 0 function 0: Aquantia AQC100 10 Gigabit N=
 etwork Adapter (rev. 0x02)
 > [   1.0323079] aq0: Atlantic revision B1, F/W version 3.1.58
 > [   1.0323079] aq0: Etheraddr:
 > [   1.0323079] ppb8 at pci2 dev 6 function 0: AMD 300 Series PCIe (rev. 0=
 x02)
 > [   1.0323079] ppb8: PCI Express capability version 2 <Downstream Port of=
  PCI-E Switch> x1 @ 5.0GT/s
 > [   1.0323079] pci9 at ppb8 bus 9
 > [   1.0323079] ppb9 at pci2 dev 7 function 0: AMD 300 Series PCIe (rev. 0=
 x02)
 > [   1.0323079] ppb9: PCI Express capability version 2 <Downstream Port of=
  PCI-E Switch> x1 @ 5.0GT/s
 > [   1.0323079] ppb9: link is x1 @ 2.5GT/s
 > [   1.0323079] pci10 at ppb9 bus 10
 > [   1.0323079] athn0 at pci10 dev 0 function 0: Atheros AR9287
 > [   1.0323079] ppb10 at pci0 dev 1 function 2: AMD 17h/7xh PCIe (rev. 0x0=
 0)
 > [   1.0323079] ppb10: PCI Express capability version 2 <Root Port of PCI-=
 E Root Complex> x4 @ 8.0GT/s
 > [   1.0323079] pci11 at ppb10 bus 11
 > [   1.0323079] nvme0 at pci11 dev 0 function 0: Western Digital (SanDZ&#6=
 5533;product 5019 (rev. 0x01)
 > [   1.0323079] nvme0: NVMe 1.4
 > [   1.0323079] nvme0: for admin queue interrupting at msix3 vec 0
 > [   1.0323079] nvme0: WDC WDS100T2B0C-00PXH0, firmware 233010WD, serial 2=
 1281W452002
 > [   1.0323079] nvme0: for io queue 1 interrupting at msix3 vec 1 affinity=
  to cpu0
 > [   1.0323079] nvme0: for io queue 2 interrupting at msix3 vec 2 affinity=
  to cpu1
 > [   1.0323079] nvme0: for io queue 3 interrupting at msix3 vec 3 affinity=
  to cpu2
 > [   1.0323079] nvme0: for io queue 4 interrupting at msix3 vec 4 affinity=
  to cpu3
 > [   1.0323079] nvme0: for io queue 5 interrupting at msix3 vec 5 affinity=
  to cpu4
 > [   1.0323079] nvme0: for io queue 6 interrupting at msix3 vec 6 affinity=
  to cpu5
 > [   1.0323079] nvme0: for io queue 7 interrupting at msix3 vec 7 affinity=
  to cpu6
 > [   1.0323079] nvme0: for io queue 8 interrupting at msix3 vec 8 affinity=
  to cpu7
 > [   1.0323079] nvme0: for io queue 9 interrupting at msix3 vec 9 affinity=
  to cpu8
 > [   1.0323079] nvme0: for io queue 10 interrupting at msix3 vec 10 affini=
 ty to cpu9
 > [   1.0323079] nvme0: for io queue 11 interrupting at msix3 vec 11 affini=
 ty to cpu10
 > [   1.0323079] nvme0: for io queue 12 interrupting at msix3 vec 12 affini=
 ty to cpu11
 > [   1.0323079] ld0 at nvme0 nsid 1
 > [   1.0323079] ld0: 931 GB, 121601 cyl, 255 head, 63 sec, 512 bytes/sect =
 x 1953525168 sectors
 > [   1.0323079] pchb1 at pci0 dev 2 function 0: AMD 17h/7xh Host Bridge (r=
 ev. 0x00)
 > [   1.0323079] pchb2 at pci0 dev 3 function 0: AMD 17h/7xh Host Bridge (r=
 ev. 0x00)
 > [   1.0323079] ppb11 at pci0 dev 3 function 1: AMD 17h/7xh PCIe (rev. 0x0=
 0)
 > [   1.0323079] ppb11: PCI Express capability version 2 <Root Port of PCI-=
 E Root Complex> x16 @ 8.0GT/s
 > [   1.0323079] ppb11: link is x8 @ 8.0GT/s
 > [   1.0323079] pci12 at ppb11 bus 12
 > [   1.0323079] amdgpu0 at pci12 dev 0 function 0: ATI Technologies Radeon=
  RX 460/560D / Pro 450/455/460/555/555X/560/560X (rev. 0xcf)
 > [   1.0323079] hdaudio0 at pci12 dev 0 function 1: HD Audio Controller
 > [   1.0323079] hdaudio0: interrupting at msi4 vec 0
 > [   1.0323079] hdaudio0: HDA ver. 1.0, OSS 5, ISS 0, BSS 0, SDO 1, 64-bit
 > [   1.0323079] hdafg0 at hdaudio0: vendor 1002 product aa01
 > [   1.0323079] hdafg0: HDMI00 2ch: Digital Out [Jack]
 > [   1.0323079] hdafg0: HDMI01 2ch: Digital Out [Jack]
 > [   1.0323079] hdafg0: HDMI02 2ch: Digital Out [Jack]
 > [   1.0323079] hdafg0: HDMI03 2ch: Digital Out [Jack]
 > [   1.0323079] hdafg0: HDMI04 2ch: Digital Out [Jack]
 > [   1.0323079] hdafg0: 2ch/0ch 32000Hz 44100Hz 48000Hz PCM16 AC3
 > [   1.0323079] pchb3 at pci0 dev 4 function 0: AMD 17h/7xh Host Bridge (r=
 ev. 0x00)
 > [   1.0323079] pchb4 at pci0 dev 5 function 0: AMD 17h/7xh Host Bridge (r=
 ev. 0x00)
 > [   1.0323079] pchb5 at pci0 dev 7 function 0: AMD 17h/7xh Host Bridge (r=
 ev. 0x00)
 > [   1.0323079] ppb12 at pci0 dev 7 function 1: AMD 17h/7xh PCIe (rev. 0x0=
 0)
 > [   1.0323079] ppb12: PCI Express capability version 2 <Root Port of PCI-=
 E Root Complex> x16 @ 16.0GT/s
 > [   1.0323079] pci13 at ppb12 bus 13
 > [   1.0323079] AMD product 148a (non-essential instrumentation, subclass =
 0x00) at pci13 dev 0 function 0 not configured
 > [   1.0323079] pchb6 at pci0 dev 8 function 0: AMD 17h/7xh Host Bridge (r=
 ev. 0x00)
 > [   1.0323079] ppb13 at pci0 dev 8 function 1: AMD 17h/7xh PCIe (rev. 0x0=
 0)
 > [   1.0323079] ppb13: PCI Express capability version 2 <Root Port of PCI-=
 E Root Complex> x16 @ 16.0GT/s
 > [   1.0323079] pci14 at ppb13 bus 14
 > [   1.0323079] AMD Family17h/7xh Reserved SPP (non-essential instrumentat=
 ion, subclass 0x00) at pci14 dev 0 function 0 not configured
 > [   1.0323079] amdccp0 at pci14 dev 0 function 1: AMD Cryptographic Copro=
 cessor
 > [   1.0323079] xhci1 at pci14 dev 0 function 3: AMD Family17h/7xh USB 3.0=
  Host Controller (rev. 0x00)
 > [   1.0323079] xhci1: interrupting at msix5 vec 0
 > [   1.0323079] usb2 at xhci1: USB revision 3.1
 > [   1.0323079] usb3 at xhci1: USB revision 2.0
 > [   1.0323079] hdaudio1 at pci14 dev 0 function 4: HD Audio Controller
 > [   1.0323079] hdaudio1: interrupting at msi6 vec 0
 > [   1.0323079] hdaudio1: HDA ver. 1.0, OSS 4, ISS 4, BSS 0, SDO 1, 64-bit
 > [   1.0323079] hdafg1 at hdaudio1: vendor 10ec product 0892
 > [   1.0323079] hdafg1: DAC00 8ch: Speaker [Jack]
 > [   1.0323079] hdafg1: DAC01 2ch: HP Out [Jack]
 > [   1.0323079] hdafg1: DIG02 2ch: SPDIF Out [Jack]
 > [   1.0323079] hdafg1: ADC03 2ch: Line In [Jack], Mic In [Jack]
 > [   1.0323079] hdafg1: ADC04 2ch: Mic In [Jack]
 > [   1.0323079] hdafg1: 8ch/2ch 32000Hz 44100Hz 48000Hz 88200Hz 96000Hz 19=
 2000Hz PCM16 PCM20 PCM24 AC3
 > [   1.0323079] audio0 at hdafg1: playback, capture, full duplex, independ=
 ent
 > [   1.0323079] audio0: slinear_le:16 2ch 48000Hz, blk 1920 bytes (10ms) f=
 or playback
 > [   1.0323079] audio0: slinear_le:16 2ch 48000Hz, blk 1920 bytes (10ms) f=
 or recording
 > [   1.0323079] spkr1 at audio0: PC Speaker (synthesized)
 > [   1.0323079] wsbell at spkr1 not configured
 > [   1.0323079] ppb14 at pci0 dev 8 function 2: AMD 17h/7xh PCIe (rev. 0x0=
 0)
 > [   1.0323079] ppb14: PCI Express capability version 2 <Root Port of PCI-=
 E Root Complex> x16 @ 16.0GT/s
 > [   1.0323079] pci15 at ppb14 bus 15
 > [   1.0323079] ahcisata1 at pci15 dev 0 function 0: AMD FCH AHCI (rev. 0x=
 51)
 > [   1.0323079] ahcisata1: AHCI revision 1.31, 8 ports, 32 slots, CAP 0xf7=
 37ff07<PSC,SSC,PMD,FBSS,SPM,SAM,ISS=3D0x3=3DGen3,SCLO,SAL,SALP,SMPS,SSN>
 > [   1.0323079] ahcisata1: interrupting at msi7 vec 0
 > [   1.0323079] atabus8 at ahcisa1 channel 0
 > [   1.0323079] atabus9 at ahcisata1 channel 1
 > [   1.0323079] atabus10 at ahcisata1 channel 2
 > [   1.0323079] atabus11 at ahcisata1 channel 3
 > [   1.0323079] atabus12 at ahcisata1 channel 4
 > [   1.0323079] atabus13 at ahcisata1 channel 5
 > [   1.0323079] atabus14 at ahcisata1 channel 6
 > [   1.0323079] atabus15 at ahcisata1 channel 7
 > [   1.0323079] ppb15 at pci0 dev 8 function 3: AMD 17h/7xh PCIe (rev. 0x0=
 0)
 > [   1.0323079] ppb15: PCI Express capability version 2 <Root Port of PCI-=
 E Root Complex> x16 @ 16.0GT/s
 > [   1.0323079] pci16 at ppb15 bus 16
 > [   1.0323079] ahcisata2 at pci16 dev 0 function 0: AMD FCH AHCI (rev. 0x=
 51)
 > [   1.0323079] ahcisata2: AHCI revision 1.31, 8 ports, 32 slots, CAP 0xf7=
 37ff07<PSC,SSC,PMD,FBSS,SPM,SAM,ISS=3D0x3=3DGen3,SCLO,SAL,SALP,SMPS,SSN>
 > [   1.0323079] ahcisata2: interrupting at msi8 vec 0
 > [   1.0323079] atabus16 at ahcisata2 channel 0
 > [   1.0323079] atabus17 at ahcisata2 channel 1
 > [   1.0323079] atabus18 at ahcisata2 channel 2
 > [   1.0323079] atabus19 at ahcisata2 channel 3
 > [   1.0323079] atabus20 at ahcisata2 channel 4
 > [   1.0323079] atabus21 at ahcisata2 channel 5
 > [   1.0323079] atabus22 at ahcisata2 channel 6
 > [   1.0323079] atabus23 at ahcisata2 channel 7
 > [   1.0323079] piixpm0 at pci0 dev 20 function 0: AMD X370/X399 SMBus Con=
 troller (rev. 0x61)
 > [   1.0323079] piixpm0: interrupting at SMI,
 > [   1.0323079] iic0 at piixpm0 port 0: I2C bus
 > [   1.0323079] iic1 at piixpm0 port 1: I2C bus
 > [   1.0323079] pcib0 at pci0 dev 20 function 3: AMD FCH LPC (rev. 0x51)
 > [   1.0323079] pchb7 at pci0 dev 24 function 0: AMD 17h/7xh Data Fabric (=
 rev. 0x00)
 > [   1.0323079] pchb8 at pci0 dev 24 function 1: AMD 17h/7xh Data Fabric (=
 rev. 0x00)
 > [   1.0323079] pchb9 at pci0 dev 24 function 2: AMD 17h/7xh Data Fabric (=
 rev. 0x00)
 > [   1.0323079] pchb10 at pci0 dev 24 function 3: AMD 17h/7xh Data Fabric =
 (rev. 0x00)
 > [   1.0323079] pchb11 at pci0 dev 24 function 4: AMD 17h/7xh Data Fabric =
 (rev. 0x00)
 > [   1.0323079] pchb12 at pci0 dev 24 function 5: AMD 17h/7xh Data Fabric =
 (rev. 0x00)
 > [   1.0323079] pchb13 at pci0 dev 24 function 6: AMD 17h/7xh Data Fabric =
 (rev. 0x00)
 > [   1.0323079] pchb14 at pci0 dev 24 function 7: AMD 17h/7xh Data Fabric =
 (rev. 0x00)
 > [   1.0323079] isa0 at pcib0
 > [   1.0323079] acpicpu0 at cpu0: ACPI CPU
 > [   1.0323079] acpicpu1 at cpu1: ACPI CPU
 > [   1.0323079] acpicpu2 at cpu2: ACPI CPU
 > [   1.0323079] acpicpu3 at cpu3: ACPI CPU
 > [   1.0323079] acpicpu4 at cpu4: ACPI CPU
 > [   1.0323079] acpicpu5 at cpu5: ACPI CPU
 > [   1.0323079] acpicpu6 at cpu6: ACPI CPU
 > [   1.0323079] acpicpu7 at cpu7: ACPI CPU
 > [   1.0323079] acpicpu8 at cpu8: ACPI CPU
 > [   1.0323079] acpicpu9 at cpu9: ACPI CPU
 > [   1.0323079] acpicpu10 at cpu10: ACPI CPU
 > [   1.0323079] acpicpu11 at cpu11: ACPI CPU
 > [   1.7147652] uhub0 at usb0: NetBSD (0x0000) xHCI root hub (0x0000), cla=
 ss 9/0, rev 3.00/1.00, addr 0
 > [   1.7200329] uhub1 at usb1: NetBSD (0x0000) xHCI root hub (0x0000), cla=
 ss 9/0, rev 2.00/1.00, addr 0
 > [   1.7300298] uhub2 at usb2: NetBSD (0x0000) xHCI root hub (0x0000), cla=
 ss 9/0, rev 3.00/1.00, addr 0
 > [   1.7400297] uhub3 at usb3: NetBSD (0x0000) xHCI root hub (0x0000), cla=
 ss 9/0, rev 2.00/1.00, addr 0
 > [   1.7500297] dk0 at ld0: "17abe03b-7c17-44cc-8dac-d3d56968b6b1", 262144=
  blocks at 2048, type: msdos
 > [   1.7500297] dk1 at ld0: "c072c1e3-5d0b-4bd4-8789-7370295360e1", 134897=
 664 blocks at 264192, type: ffs
 > [   1.7600302] dk2 at ld0: "0291617a-ffbb-457e-b908-af9f61e5790f", 670105=
 60 blocks at 135161856, type: swap
 > [   1.7700302] dk3 at ld0: "ca370a40-b6d3-4b0a-9270-00acc6df4e2b", 419430=
 400 blocks at 202172416, type: ffs
 > [   1.7800301] dk4 at ld0: "8ae92095-2b67-450a-b3ac-32c912b78f08", 133192=
 2319 blocks at 621602816, type: ffs
 > [   1.8400302] ahcisata0 port 0: device present, speed: 6.0Gb/s
 > [   1.8400302] ahcisata0 port 5: device present, speed: 1.5Gb/s
 > [   1.8500300] ahcisata0 port 1: device present, speed: 3.0Gb/s
 > [   1.8600303] wd0 at atabus0 drive 0
 > [   1.8600303] wd0: <KINGSTON SKC400S37512G>
 > [   1.8600303] wd0: 476 GB, 992277 cyl, 16 head, 63 sec, 512 bytes/sect x=
  1000215216 sectors
 > [   1.9000303] wd1 at atabus1 drive 0
 > [   1.9000303] wd1: <SAMSUNG HD161HJ>
 > [   1.9000303] wd1: 149 GB, 310101 cyl, 16 head, 63 sec, 512 bytes/sect x=
  312581808 sectors
 > [   2.1700311] uhub4 at uhub0 port 6: VIA Labs, c. (0x2109) USB3.0 Hub (0=
 x0817), class 9/0, rev 3.10/90.23, addr 1
 > [   2.2200312] ubt0 at uhub3 port 2
 > [   2.2300308] ubt0: vendor 0a12 (0x0a12) BT DONGLE10 (0x0001), rev 2.00/=
 88.91, addr 1
 > [   2.2400312] uhub5 at uhub1 port 6: VIA Labs, Inc. (0x2109) USB2.0 Hub =
 (0x2817), class 9/0, rev 2.10/90.23, addr 2
 > [   2.2500309] uhub5: multiple transaction translators
 > [   2.8500327] atapibus0 at atabus5: 1 targets
 > [   2.8600325] cd0 at atapibus0 drive 0: <HL-DT-ST DVDRAM GH22NS40, K5I98=
 JK5513, NL01> cdrom rY[,[Y.[   3.2000336] umass0 at uhub4 port 3 co0
 > [   3.2000336] umass0: Generic (0x21c4) USB Storage (0xb064), rev 3.20/0.=
 09, addr 3
 > [   3.2200338] scsibus0 at umass0: 2 targets, 3 luns per target
 > [   3.2300336] sd0 at scsibus0 target 0 lun 0: <Generic, MassStorageClass=
 , 0009> disk removable
 > [   3.2400336] sd0: drive offline
 > [   3.2400336] sd1 at scsibus0 target 0 lun 1: <Generic, MassStorageClass=
 , 0009> disk removable
 > [   3.2500336] sd1: drive offline
 > [   3.2600336] sd2 at scsibus0 target 0 lun 2: <Generic, MassStorageClass=
 , 0009> disk removable
 > [   3.2700338] sd2: drive offline
 > [   3.4600340] uhub6 at uhub1 port 11: vendor 0424 (0x0424) product 2504 =
 (0x2504), class 9/0, rev 2.00/0.01, addr 4
 > [   3.4700341] uhub6: multiple transaction translators
 > [   4.2900361] umass1 at uhub6 port 1 configuration 1 interface 0
 > [   4.2900361] umass1: vendor 13fe (0x13fe) silicon-power (0x3223), rev 2=
 .00/1.10, addr 5
 > [   4.3100361] scsibus1 at umass1: 2 targets, 1 lun per target
 > [   4.3100361] sd3 at scsibus1 target 0 lun 0: <, silicon-power, PMAP> di=
 sk removable
 > [   4.3200359] sd3: 3822 MB, 7644 cyl, 32 head, 32 sec, 512 bytes/sect x =
 7827456 sectors
 > [   4.3300359] sd3: 4141056 trailing sectors not covered by disklabel
 > [   4.7600372] uhub7 at uhub6 port 2: vendor 05e3 (0x05e3) USB2.0 Hub (0x=
 0608), class 9/0, rev 2.00/32.98, addr 6
 > [   4.7700373] uhub7: single transaction translator
 > [   5.7000396] uhidev0 at uhub7 port 1 configuration 1 interface 0
 > [   5.7100396] uhidev0: Logitech (0x046d) USB Receiver (0xc52b), rev 2.00=
 /12.10, addr 7, iclass 3/1
 > [   5.7400396] ukbd0 at uhidev0
 > [   5.7400396] wskbd0 at ukbd0 mux 1
 > [   5.7500395] uhidev1 at uhub7 port 1 configuration 1 interface 1
 > [   5.7500395] uhidev1: Logitech (0x046d) USB Receiver (0xc52b), rev 2.00=
 /12.10, addr 7, iclass 3/1
 > [   5.8400400] uhidev1: 8 report ids
 > [   5.8400400] ums0 at uhidev1 reportid 2: 16 buttons, W and Z dirs
 > [   5.8500400] wsmouse0 at ums0 mux 0
 > [   5.8500400] uhid0 at uhidev1 reportid 3: input=3D4, output=3D0, featur=
 e=3D0
 > [   5.8600400] uhid1 at uhidev1 reportid 4: input=3D1, output=3D0, featur=
 e=3D0
 > [   5.8600400] uhid2 at uhidev1 reportid 8: input=3D1, output=3D0, featur=
 e=3D0
 > [   5.8700400] uhidev2 at uhub7 port 1 configuration 1 interface 2
 > [   5.8800401] uhidev2: Logitech (0x046d) USB Receiver (0xc52b), rev 2.00=
 /12.10, addr 7, iclass 3/0
 > [   5.9400402] uhidev2: 33 report ids
 > [   5.9500402] uhid3 at uhidev2 reportid 16: input=3D6, output=3D6, featu=
 re=3D0
 > [   5.9500402] uhid4 at uhidev2 reportid 17: input=3D19, output=3D19, fea=
 ture=3D0
 > [   5.9600403] uhid5 at uhidev2 reportid 32: input=3D14, output=3D14, fea=
 ture=3D0
 > [   5.9700403] uhid6 at uhidev2 reportid 33: input=3D31, output=3D31, fea=
 ture=3D0
 > [   6.5000416] uhidev3 at uhub7 port 2 configuration 1 interface 0
 > [   6.5000416] uhidev3: Fnatic Gear (0x195d) RUSH Mechanical Keyboard (0x=
 2030), rev 2.00/1.09, addr 8, iclass 3/1
 > [   6.5300416] ukbd1 at uhidev3
 > [   6.5300416] wskbd1 at ukbd1 mux 1
 > [   6.5300416] uhidev4 at uhub7 port 2 configuration 1 interface 1
 > [   6.5400414] uhidev4: Fnatic Gear (0x195d) RUSH Mechanical Keyboard (0x=
 2030), rev 2.00/1.09, addr 8, iclass 3/0
 > [   6.5600416] uhid7 at uhidev4: input=3D4, output=3D0, feature=3D0
 > [   6.5700417] uhidev5 at uhub7 port 2 configuration 1 interface 2
 > [   6.5700417] uhidev5: Fnatic Gear (0x195d) RUSH Mechanical Keyboard (0x=
 2030), rev 2.00/1.09, addr 8, iclass 3/0
 > [   6.5900418] ukbd2 at uhidev5
 > [   6.6000417] wskbd2 at ukbd2 mux 1
 > [   7.0700427] umass2 at uhub7 port 3 configuration 1 interface 0
 > [   7.0700427] umass2: USB (0x0781) SanDisk 3.2Gen1 (0x55a3), rev 2.10/1.=
 00, addr 9
 > [   7.0900428] scsibus2 at umass2: 2 targets, 1 lun per target
 > [   7.1000428] sd4 at scsibus2 target 0 lun 0: <USB, SanDisk 3.2Gen1, 1.0=
 0> disk removable
 > [   7.1100425] sd4: 14664 MB, 29793 cyl, 16 head, 63 sec, 512 bytes/sect =
 x 30031872 sectors
 > [   7.1200427] dk5 at sd4: "EFI system", 262144 blocks at 2048, type: msd=
 os
 > [   7.1300427] dk6 at sd4: "3405e82a-8a50-49a9-88bd-98a8b01244fa", 434176=
 0 blocks at 264192, type: ffs
 > [   7.1800429] sd3: 4141056 trailing sectors not covered by disklabel
 > [   7.2100429] sd3: 4141056 trailing sectors not covered by disklabel
 > [   7.2400434] sd3: 4141056 trailing sectors not covered by disklabel
 > [   7.2500431] sd3: 4141056 trailing sectors not covered by disklabel
 > [   7.2600432] WARNING: 2 errors while detecting hardware; check system l=
 og.
 > [   7.2700433] boot device: ld0
 > [   7.2700433] root on dk1 dumps on dk2
 > [   7.2700433] root file system type: ffs
 > [   7.2800434] kern.module.path=3D/stand/amd64/9.99.93/modules
 > [   7.2883960] kern info: [drm] initializing kernel modesetting (POLARIS1=
 1 0x1002:0x67EF 0x1043:0x04B8 0xCF).
 > [   7.2978461] kern info: [drm] register mmio base: 0xFCD00000
 > [   7.3033815] kern info: [drm] register mmio size: 262144
 > [   7.3033815] kern info: [drm] PCI I/O BAR is not found.
 > [   7.3136741] kern info: [drm] add ip block number 0 <vi_common>
 > [   7.3136741] kern info: [drm] add ip block number 1 <gmc_v8_0>
 > [   7.3251770] kern info: [drm] add ip block number 2 <tonga_ih>
 > [   7.3308858] kern info: [drm] add ip block number 3 <gfx_v8_0>
 > [   7.3308858] kern info: [drm] add ip block number 4 <sdma_v3_0>
 > [   7.3423920] kern info: [drm] add ip block number 5 <powerplay>
 > [   7.3423920] kern info: [drm] add ip block number 6 <dce_v11_0>
 > [   7.3539780] kern info: [drm] add ip block number 7 <uvd_v6_0>
 > [   7.3539780] kern info: [drm] add ip block number 8 <vce_v3_0>
 > [   7.5300660] ATOM BIOS: 115-C994PI00-100
 > [   7.5300660] kern info: [drm] UVD is enabled in VM mode
 > [   7.5409312] kern info: [drm] UVD ENC is enabled in VM mode
 > [   7.5409312] kern info: [drm] VCE enabled in VM mode
 > [   7.5512228] kern info: [drm] vm size is 128 GB, 2 levels, block size i=
 s 10-bit, fragment size is 9-bit
 > [   7.5604778] amdgpu0: info: VRAM: 2048M 0x000000F400000000 - 0x000000F4=
 7FFFFFFF (2048M used)
 > [   7.5604778] amdgpu0: info: GART: 256M 0x000000FF00000000 - 0x000000FF0=
 FFFFFFF
 > [   7.5767025] kern info: [drm] Detected VRAM RAM=3D2048M, BAR=3D256M
 > [   7.5829549] kern info: [drm] RAM width 128bits GDDR5
 > [   7.5829549] Zone  kernel: Available graphics memory: 11130138 KiB
 > [   7.5939371] Zone   dma32: Available graphics memory: 2097152 KiB
 > [   7.6000440] kern info: [drm] amdgpu: 2048M of VRAM memory ready
 > [   7.6000440] kern info: [drm] amdgpu: 3072M of GTT memory ready.
 > [   7.6119340] kern info: [drm] GART: num cpu pages 65536, num gpu pages =
 65536
 > [   7.6200457] kern info: [drm] PCIE GART of 256M enabled (table at 0x000=
 000F400300000).
 > [   7.6200457] kern info: [drm] Supports vblank timestamp caching Rev 2 (=
 21.10.2013).
 > [   7.6363572] kern info: [drm] Driver supports precise vblank timestamp =
 query.
 > [   7.6433634] amdgpu0: interrupting at msi9 vec 0 (amdgpu0)
 > [   7.6433634] kern info: [drm] Chained IB support enabled!
 > [   7.6543037] uvm_fault(0xffffffff818e8ec0, 0xffff8d2843a48000, 1) -> e
 > [   7.6621056] fatal page fault in supervisor mode
 > [   7.6621056] trap type 6 code 0 rip 0xffffffff80eaa5f0 cs 0x8 rflags 0x=
 10212 cr2 0xffff8d2843a48ce8 ilevel 0 rsp 0xffff8c826e6d9a30
 > [   7.6782773] curlwp 0xfffffabc85798b00 pid 0.332 lowest kstack 0xffff8c=
 826e6d52c0
 > kernel: page fault trap, code=3D0
 > Stopped in pid 0.332 (system) at        netbsd:ttm_bo_validate+0x11a:   m=
 ovq
 > 40(%rcx,%rdx,1),%rdx
 > ttm_bo_validate() at netbsd:ttm_bo_validate+0x11a
 > ttm_bo_init_reserved() at netbsd:ttm_bo_init_reserved+0x35a
 > amdgpu_bo_do_create() at netbsd:amdgpu_bo_do_create+0x1cd
 > amdgpu_bo_create() at netbsd:amdgpu_bo_create+0x2e
 > amdgpu_bo_create_reserved.part.0() at netbsd:amdgpu_bo_create_reserved.pa=
 rt.0+0x1a4
 > amdgpu_bo_create_kernel() at netbsd:amdgpu_bo_create_kernel+0x3f
 > amdgpu_ring_init() at netbsd:amdgpu_ring_init+0x3ed
 > gfx_v8_0_sw_init() at netbsd:gfx_v8_0_sw_init+0xaf0
 > amdgpu_device_init() at netbsd:amdgpu_device_init+0x1586
 > amdgpu_driver_load_kms() at netbsd:amdgpu_driver_load_kms+0x51
 > drm_dev_register() at netbsd:drm_dev_register+0x166
 > amdgpu_attach_real() at netbsd:amdgpu_attach_real+0xac
 > config_mountroot_thread() at netbsd:config_mountroot_thread+0x60
 > ds          9a10
 > es          f2f8
 > fs          9be0
 > gs          c4f3
 > rdi         ffff8d2843a48cc0
 > rsi         4fffffffb
 > rbp         ffff8c826e6d9ad0
 > rbx         0
 > rdx         a7ffffff58
 > rcx         ffff8c8043a48d50
 > rax         fffffff4
 > r8          fffffac362b5f400
 > r9          2
 > r10         fffffabc85e6f2f8
 > r11         fffffabc85e6f4b8
 > r12         fffffabc85e6f318
 > r13         fffffabc85e6f2f8
 > r14         ffff8c826e6d9be0
 > r15         fffffabc85e6f318
 > rip         ffffffff80eaa5f0    ttm_bo_validate+0x11a
 > cs          8
 > rflags      10212
 > rsp         ffff8c826e6d9a30
 > ss          10
 > netbsd:ttm_bo_validate+0x11a:   movq    40(%rcx,%rdx,1),%rdx
 >
 > resolved lines:
 > ttm_bo_validate() at netbsd:ttm_bo_validate+0x11a -> src/sys/external/bsd=
 /drm2/dist/drm/ttm/ttm_bo.c:926
 > ttm_bo_init_reserved() at netbsd:ttm_bo_init_reserved+0x35a -> src/sys/ex=
 ternal/bsd/drm2/dist/drm/ttm/ttm_bo.c:1395
 > amdgpu_bo_do_create() at netbsd:amdgpu_bo_do_create+0x1cd -> src/sys/exte=
 rnal/bsd/drm2/dist/drm/amd/amdgpu/amdgpu_object.c:585
 > amdgpu_bo_create() at netbsd:amdgpu_bo_create+0x2e -> src/sys/external/bs=
 d/drm2/dist/drm/amd/amdgpu/amdgpu_object.c:682
 > amdgpu_bo_create_reserved.part.0() at netbsd:amdgpu_bo_create_reserved.pa=
 rt.0+0x1a4 -> src/sys/external/bsd/drm2/dist/drm/amd/amdgpu/amdgpu_object.c=
 :263
 > amdgpu_bo_create_kernel() at netbsd:amdgpu_bo_create_kernel+0x3f -> src/s=
 ys/external/bsd/drm2/dist/drm/amd/amdgpu/amdgpu_object.c:343
 > amdgpu_ring_init() at netbsd:amdgpu_ring_init+0x3ed -> src/sys/external/b=
 sd/drm2/dist/drm/amd/amdgpu/amdgpu_ring.c:325
 > gfx_v8_0_sw_init() at netbsd:gfx_v8_0_sw_init+0xaf0 -> src/sys/external/b=
 sd/drm2/dist/drm/amd/amdgpu/amdgpu_gfx_v8_0.c:1914
 > amdgpu_device_init() at netbsd:amdgpu_device_init+0x1586 -> src/sys/exter=
 nal/bsd/drm2/dist/drm/amd/amdgpu/amdgpu_device.c:1996
 > amdgpu_driver_load_kms() at netbsd:amdgpu_driver_load_kms+0x51 -> sys/ext=
 ernal/bsd/drm2/dist/drm/amd/amdgpu/amdgpu_kms.c:172
 > drm_dev_register() at netbsd:drm_dev_register+0x166 -> src/sys/external/b=
 sd/drm2/dist/drm/drm_drv.c:1047
 > amdgpu_attach_real() at netbsd:amdgpu_attach_real+0xac -> src/sys/externa=
 l/bsd/drm2/amdgpu/amdgpu_pci.c:197
 > config_mountroot_thread() at netbsd:config_mountroot_thread+0x60 -> src/s=
 ys/kern/subr_autoconf.c:524
 > >How-To-Repeat:
 > Build kernel with amdgpu and amdgpufb enabled, install required firmware.
 > Boot the system several times until the crash.
 > >Fix:
 >
 


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