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kern/57890: uvm_fault followed by: fatal page fault in supervisor mode, right before reboot - amd64/10.0_RC3



>Number:         57890
>Category:       kern
>Synopsis:       uvm_fault followed by: fatal page fault in supervisor mode, right before reboot - amd64/10.0_RC3
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon Jan 29 17:10:00 +0000 2024
>Originator:     Henryk Paluch
>Release:        NetBSD 10.0_RC3 (GENERIC) #0: Tue Jan 16 08:28:51 UTC 2024
>Organization:
personal
>Environment:
NetBSD netbsd-wd500.example.com 10.0_RC3 NetBSD 10.0_RC3 (GENERIC) #0: Tue Jan 16 08:28:51 UTC 2024  mkrepro%mkrepro.NetBSD.org@localhost:/usr/src/sys/arch/amd64/compile/GENERIC amd64
>Description:
On bare metal machine, (where 9.3 both RELEASE and Stable works fine) I encounter panic right before reboot.

[  59.2968873] wd0: detached
[  59.3323141] uhub1: detached
[  59.3443133] uhub0: detached
[  59.3443133] uvm_fault(0xffff86b886d15050, 0x0, 1) -> e
[  59.3443133] fatal page fault in supervisor mode
[  59.3548842] trap type 6 code 0 rip 0xffffffff80ae1cc0 cs 0x8 rflags 0x10282 cr2 0x30 ilevel 0 rsp 0xffffd2024206bd78
[  59.3671904] curlwp 0xffff86b8860ff580 pid 2870.2870 lowest kstack 0xffffd202420672c0
kernel: page fault trap, code=0
Stopped in pid 2870.2870 (reboot) at    netbsd:hdafg_freem+0x7: cmpq    %rsi,30(
%rax)
hdafg_freem() at netbsd:hdafg_freem+0x7
audiodetach() at netbsd:audiodetach+0x214
config_detach() at netbsd:config_detach+0xfc
config_detach_all() at netbsd:config_detach_all+0xc8
cpu_reboot() at netbsd:cpu_reboot+0x1c0
kern_reboot() at netbsd:kern_reboot+0x6c
sys_reboot() at netbsd:sys_reboot+0x63
syscall() at netbsd:syscall+0x1fc
--- syscall (number 208) ---
netbsd:syscall+0x1fc:
ds          5a00
es          5d86
fs          bd60
gs          0
rdi         ffff86b885a87130
rsi         ffffd20230416000
rbp         ffffd2024206bd90
rbx         ffff86b885a7bb00
rdx         1680
rcx         ffff86b8860ff580
rax         0
r8          ffffd20230416000
r9          0
r10         2b
r11         0
r12         0
r13         0
r14         ffff86b885a89270
r15         ffff86b885a893c0
rip         ffffffff80ae1cc0    hdafg_freem+0x7
cs          8
rflags      10282
rsp         ffffd2024206bd78
ss          10
netbsd:hdafg_freem+0x7: cmpq    %rsi,30(%rax)

Full boot messages:

  \\-__,------,___.
   \\        __,---`  NetBSD/x86 BIOS Boot
    \\       `---,_.  Revision 5.11 (Tue Jan 16 08:28:51 UTC 2024)
     \\-,_____,.---`
      \\
       \\
        \\

> boot
...
[   1.0000000] WARNING: system needs entropy for security; see entropy(7)
[   1.0000000] Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
[   1.0000000]     2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013,
[   1.0000000]     2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023,
[   1.0000000]     2024
[   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 rights reserved.

[   1.0000000] NetBSD 10.0_RC3 (GENERIC) #0: Tue Jan 16 08:28:51 UTC 2024
[   1.0000000] 	mkrepro%mkrepro.NetBSD.org@localhost:/usr/src/sys/arch/amd64/compile/GENERIC
[   1.0000000] total memory = 8191 MB
[   1.0000000] avail memory = 7898 MB
[   1.0000040] mainbus0 (root)
[   1.0000040] ACPI: RSDP 0x00000000000F98B0 000014 (v00 ACPIAM)
[   1.0000040] ACPI: RSDT 0x00000000BDFD0000 000038 (v01 MSIISM OEMRSDT  04000807 MSFT 00000097)
[   1.0000040] ACPI: FACP 0x00000000BDFD0200 000084 (v02 MSIISM OEMFACP  04000807 MSFT 00000097)
[   1.0000040] ACPI: DSDT 0x00000000BDFD0440 005045 (v01 1ADGH  1ADGH013 00000013 INTL 20051117)
[   1.0000040] ACPI: FACS 0x00000000BDFDE000 000040
[   1.0000040] ACPI: APIC 0x00000000BDFD0390 000070 (v01 MSIISM OEMAPIC  04000807 MSFT 00000097)
[   1.0000040] ACPI: MCFG 0x00000000BDFD0400 00003C (v01 MSIISM OEMMCFG  04000807 MSFT 00000097)
[   1.0000040] ACPI: OEMB 0x00000000BDFDE040 000061 (v01 MSIISM AMI_OEM  04000807 MSFT 00000097)
[   1.0000040] ACPI: HPET 0x00000000BDFD5490 000038 (v01 MSIISM OEMHPET0 04000807 MSFT 00000097)
[   1.0000040] ACPI: 1 ACPI AML tables successfully acquired and loaded
[   1.0000040] ioapic0 at mainbus0 apid 2
[   1.0000040] cpu0 at mainbus0 apid 0
[   1.0000040] cpu0: AMD Athlon(tm) 64 X2 Dual Core Processor 3800+, id 0x40fb2
[   1.0000040] cpu0: node 0, package 0, core 0, smt 0
[   1.0000040] cpu1 at mainbus0 apid 1
[   1.0000040] cpu1: AMD Athlon(tm) 64 X2 Dual Core Processor 3800+, id 0x40fb2
[   1.0000040] cpu1: node 0, package 0, core 1, smt 0
[   1.0000040] acpi0 at mainbus0: Intel ACPICA 20221020
[   1.0000040] acpi0: fixed power button present
[   1.0465769] hpet0 at acpi0: high precision event timer (mem 0xfed00000-0xfed00400)
[   1.0541092] attimer1 at acpi0 (TMR, PNP0100): io 0x40-0x43 irq 0
[   1.0541092] pcppi1 at acpi0 (SPKR, PNP0800): io 0x61
[   1.0541092] spkr0 at pcppi1: PC Speaker
[   1.0541092] wsbell at spkr0 not configured
[   1.0541092] midi0 at pcppi1: PC speaker
[   1.0541092] sysbeep0 at pcppi1
[   1.0541092] com0 at acpi0 (UAR1, PNP0501-1): io 0x3f8-0x3ff irq 4
[   1.0541092] com: ns16550a, 16-byte FIFO
[   1.0541092] com0: console
[   1.0541092] com1 at acpi0 (UAR2, PNP0510-2): io 0x2f8-0x2ff irq 3
[   1.0541092] com1: ns16550a, 16-byte FIFO
[   1.0541092] fdc0 at acpi0 (FDC, PNP0700): io 0x3f0-0x3f5,0x3f7 irq 6 drq 2
[   1.0541092] lpt0 at acpi0 (LPTE, PNP0400): io 0x378-0x37f irq 7
[   1.0541092] pckbc1 at acpi0 (PS2K, PNP0303) (kbd port): io 0x60,0x64 irq 1
[   1.0541092] pckbc2 at acpi0 (PS2M, PNP0F03) (aux port): irq 12
[   1.0541092] RMEM (PNP0C01) at acpi0 not configured
[   1.0541092] acpibut0 at acpi0 (PWRB, PNP0C0C-170): ACPI Power Button
[   1.0541092] attimer1: attached to pcppi1
[   1.0541092] pckbd0 at pckbc1 (kbd slot)
[   1.0541092] pckbc1: using irq 1 for kbd slot
[   1.0541092] wskbd0 at pckbd0 mux 1
[   1.0541092] pms0 at pckbc1 (aux slot)
[   1.0541092] pckbc1: using irq 12 for aux slot
[   1.0541092] wsmouse0 at pms0 mux 0
[   1.0541092] pci0 at mainbus0 bus 0: configuration mode 1
[   1.0541092] NVIDIA nForce MCP55 Memory Controller (RAM memory, revision 0xa1) at pci0 dev 0 function 0 not configured
[   1.0541092] pcib0 at pci0 dev 1 function 0: NVIDIA nForce MCP55 LPC Bridge (rev. 0xa2)
[   1.0541092] nfsmbc0 at pci0 dev 1 function 1: NVIDIA nForce MCP55 SMBus Controller (rev. 0xa2)
[   1.0541092] nfsmb0 at nfsmbc0 SMBus 1
[   1.0541092] iic0 at nfsmb0: I2C bus
[   1.0541092] nfsmb1 at nfsmbc0 SMBus 2
[   1.0541092] iic1 at nfsmb1: I2C bus
[   1.0541092] ohci0 at pci0 dev 2 function 0: NVIDIA nForce MCP55 OHCI USB Controller (rev. 0xa1)
[   1.0541092] ohci0: interrupting at ioapic0 pin 21
[   1.0541092] ohci0: OHCI version 1.0, legacy support
[   1.0541092] usb0 at ohci0: USB revision 1.0
[   1.0541092] ehci0 at pci0 dev 2 function 1: NVIDIA nForce MCP55 EHCI USB Controller (rev. 0xa2)
[   1.0541092] ehci0: interrupting at ioapic0 pin 22
[   1.0541092] ehci0: 1 companion controller, 10 ports: ohci0
[   1.0541092] ehci0: Using DMA subregion for control data structures
[   1.0541092] usb1 at ehci0: USB revision 2.0
[   1.0541092] viaide0 at pci0 dev 4 function 0: NVIDIA MCP55 IDE Controller (rev. 0xa1)
[   1.0541092] viaide0: primary channel interrupting at ioapic0 pin 14
[   1.0541092] atabus0 at viaide0 channel 0
[   1.0541092] viaide0: secondary channel ignored (disabled)
[   1.0541092] viaide1 at pci0 dev 5 function 0: NVIDIA MCP55 Serial ATA Controller (rev. 0xa2)
[   1.0541092] viaide1: using ioapic0 pin 23 for native-PCI interrupt
[   1.0541092] atabus1 at viaide1 channel 0
[   1.0541092] atabus2 at viaide1 channel 1
[   1.0541092] viaide2 at pci0 dev 5 function 1: NVIDIA MCP55 Serial ATA Controller (rev. 0xa2)
[   1.0541092] viaide2: using ioapic0 pin 21 for native-PCI interrupt
[   1.0541092] atabus3 at viaide2 channel 0
[   1.0541092] atabus4 at viaide2 channel 1
[   1.0541092] viaide3 at pci0 dev 5 function 2: NVIDIA MCP55 Serial ATA Controller (rev. 0xa2)
[   1.0541092] viaide3: using ioapic0 pin 22 for native-PCI interrupt
[   1.0541092] atabus5 at viaide3 channel 0
[   1.0541092] atabus6 at viaide3 channel 1
[   1.0541092] ppb0 at pci0 dev 6 function 0: NVIDIA nForce MCP55 PCI-PCI Bridge (rev. 0xa2)
[   1.0541092] pci1 at ppb0 bus 1
[   1.0541092] fwohci0 at pci1 dev 4 function 0: VIA Technologies VT6306 IEEE 1394 Host Controller (rev. 0x80)
[   1.0541092] fwohci0: interrupting at ioapic0 pin 16
[   1.0541092] fwohci0: OHCI version 1.10 (ROM=1)
[   1.0541092] fwohci0: No. of Isochronous channels is 4.
[   1.0541092] fwohci0: EUI64 00:10:dc:00:01:05:a3:aa
[   1.0541092] fwohci0: Phy 1394a available S400, 2 ports.
[   1.0541092] fwohci0: Link S400, max_rec 2048 bytes.
[   1.0541092] ieee1394if0 at fwohci0: IEEE1394 bus
[   1.0541092] fwip0 at ieee1394if0: IP over IEEE1394
[   1.0541092] fwohci0: Initiate bus reset
[   1.0541092] hdaudio0 at pci0 dev 6 function 1: HD Audio Controller
[   1.0541092] hdaudio0: interrupting at ioapic0 pin 23
[   1.0541092] hdaudio0: HDA ver. 1.0, OSS 4, ISS 4, BSS 0, SDO 1, 64-bit
[   1.0541092] hdafg0 at hdaudio0: Realtek ALC883
[   1.0541092] hdafg0: DAC00 6ch: Speaker [Jack]
[   1.0541092] hdafg0: DAC01 2ch: HP Out [Jack]
[   1.0541092] hdafg0: DIG02 2ch: SPDIF Out [Jack]
[   1.0541092] hdafg0: ADC03 2ch: Line In [Jack], Mic In [Jack]
[   1.0541092] hdafg0: ADC04 2ch: Mic In [Jack]
[   1.0541092] hdafg0: 6ch/2ch 44100Hz 48000Hz 96000Hz 192000Hz PCM16 PCM20 PCM24 AC3
[   1.0541092] audio0 at hdafg0: playback, capture, full duplex, independent
[   1.0541092] audio0: slinear_le:16 2ch 48000Hz, blk 1920 bytes (10ms) for playback
[   1.0541092] audio0: slinear_le:16 2ch 48000Hz, blk 1920 bytes (10ms) for recording
[   1.0541092] spkr1 at audio0: PC Speaker (synthesized)
[   1.0541092] wsbell at spkr1 not configured
[   1.0541092] nfe0 at pci0 dev 8 function 0: NVIDIA nForce MCP55 Gigabit Ethernet Controller (rev. 0xa2)
[   1.0541092] nfe0: interrupting at ioapic0 pin 20
[   1.0541092] nfe0: Ethernet address 60:50:40:30:20:10
[   1.0541092] ciphy0 at nfe0 phy 0: VSC8601 10/100/1000 PHY, rev. 0
[   1.0541092] ciphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 1000baseT-FDX, auto
[   1.0541092] nfe1 at pci0 dev 9 function 0: NVIDIA nForce MCP55 Gigabit Ethernet Controller (rev. 0xa2)
[   1.0541092] nfe1: interrupting at ioapic0 pin 20
[   1.0541092] nfe1: Ethernet address 60:50:40:30:20:11
[   1.0541092] ciphy1 at nfe1 phy 1: VSC8601 10/100/1000 PHY, rev. 0
[   1.0541092] ciphy1: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 1000baseT-FDX, auto
[   1.0541092] ppb1 at pci0 dev 11 function 0: NVIDIA product 0374 (rev. 0xa2)
[   1.0541092] ppb1: PCI Express capability version 1 <Root Port of PCI-E Root Complex> x1 @ 2.5GT/s
[   1.0541092] pci2 at ppb1 bus 2
[   1.0541092] ppb2 at pci0 dev 12 function 0: NVIDIA product 0374 (rev. 0xa2)
[   1.0541092] ppb2: PCI Express capability version 1 <Root Port of PCI-E Root Complex> x1 @ 2.5GT/s
[   1.0541092] pci3 at ppb2 bus 3
[   1.0541092] ahcisata0 at pci3 dev 0 function 0: ASMedia product 1164 (rev. 0x02)
[   1.0541092] ahcisata0: AHCI revision 1.31, 24 ports, 32 slots, CAP 0xef349f37<SXS,PMD,SAM,ISS=0x3=Gen3,SCLO,SAL,SALP,SSS,SSNTF,SNCQ,S64A>
[   1.0541092] ahcisata0: interrupting at ioapic0 pin 17
[   1.0541092] atabus7 at ahcisata0 channel 0
[   1.0541092] atabus8 at ahcisata0 channel 1
[   1.0541092] atabus9 at ahcisata0 channel 2
[   1.0541092] atabus10 at ahcisata0 channel 3
[   1.0541092] atabus11 at ahcisata0 channel 8
[   1.0541092] atabus12 at ahcisata0 channel 9
[   1.0541092] atabus13 at ahcisata0 channel 10
[   1.0541092] atabus14 at ahcisata0 channel 11
[   1.0541092] atabus15 at ahcisata0 channel 12
[   1.0541092] atabus16 at ahcisata0 channel 13
[   1.0541092] atabus17 at ahcisata0 channel 14
[   1.0541092] atabus18 at ahcisata0 channel 15
[   1.0541092] atabus19 at ahcisata0 channel 16
[   1.0541092] atabus20 at ahcisata0 channel 17
[   1.0541092] atabus21 at ahcisata0 channel 18
[   1.0541092] atabus22 at ahcisata0 channel 19
[   1.0541092] atabus23 at ahcisata0 channel 20
[   1.0541092] atabus24 at ahcisata0 channel 21
[   1.0541092] atabus25 at ahcisata0 channel 22
[   1.0541092] atabus26 at ahcisata0 channel 23
[   1.0541092] ppb3 at pci0 dev 13 function 0: NVIDIA nForce MCP55 PCI-Express 16x Port (rev. 0xa2)
[   1.0541092] ppb3: PCI Express capability version 1 <Root Port of PCI-E Root Complex> x1 @ 2.5GT/s
[   1.0541092] pci4 at ppb3 bus 4
[   1.0541092] xhci0 at pci4 dev 0 function 0: VIA Technologies VL805 xHCI (rev. 0x01)
[   1.0541092] xhci0: interrupting at ioapic0 pin 18
[   1.0541092] usb2 at xhci0: USB revision 3.0
[   1.0541092] usb3 at xhci0: USB revision 2.0
[   1.0541092] ppb4 at pci0 dev 14 function 0: NVIDIA product 0375 (rev. 0xa2)
[   1.0541092] ppb4: PCI Express capability version 1 <Root Port of PCI-E Root Complex> x1 @ 2.5GT/s
[   1.0541092] pci5 at ppb4 bus 5
[   1.0541092] ppb5 at pci0 dev 15 function 0: NVIDIA nForce MCP55 PCI-Express 16x Port (rev. 0xa2)
[   1.0541092] ppb5: PCI Express capability version 1 <Root Port of PCI-E Root Complex> x16 @ 2.5GT/s
[   1.0541092] pci6 at ppb5 bus 6
[   1.0541092] nouveau0 at pci6 dev 0 function 0: NVIDIA GeForce 210 (rev. 0xa2)
[   1.0541092] hdaudio1 at pci6 dev 0 function 1: HD Audio Controller
[   1.0541092] hdaudio1: interrupting at ioapic0 pin 19
[   1.0541092] hdaudio1: HDA ver. 1.0, OSS 2, ISS 4, BSS 0, SDO 2, 64-bit
[   1.0541092] hdafg1 at hdaudio1: NVIDIA GT21x HDMI
[   1.0541092] hdafg1: DP00 8ch: Digital Out [Jack]
[   1.0541092] hdafg1: 8ch/0ch 48000Hz PCM16*
[   1.0541092] audio1 at hdafg1: playback, capture, full duplex, independent
[   1.0541092] audio1: slinear_le:16 2ch 48000Hz, blk 1920 bytes (10ms) for playback
[   1.0541092] audio1: slinear_le:16 2ch 48000Hz, blk 1920 bytes (10ms) for recording
[   1.0541092] spkr2 at audio1: PC Speaker (synthesized)
[   1.0541092] wsbell at spkr2 not configured
[   1.0541092] hdafg2 at hdaudio1: NVIDIA GT21x HDMI
[   1.0541092] hdafg2: DP00 8ch: Digital Out [Jack]
[   1.0541092] hdafg2: 8ch/0ch 48000Hz PCM16*
[   1.0541092] audio2 at hdafg2: playback, capture, full duplex, independent
[   1.0541092] audio2: slinear_le:16 2ch 48000Hz, blk 1920 bytes (10ms) for playback
[   1.0541092] audio2: slinear_le:16 2ch 48000Hz, blk 1920 bytes (10ms) for recording
[   1.0541092] spkr3 at audio2: PC Speaker (synthesized)
[   1.0541092] wsbell at spkr3 not configured
[   1.0541092] hdafg3 at hdaudio1: NVIDIA GT21x HDMI
[   1.0541092] hdafg3: DP00 8ch: Digital Out [Jack]
[   1.0541092] hdafg3: 8ch/0ch 48000Hz PCM16*
[   1.0541092] audio3 at hdafg3: capture
[   1.0541092] audio3: slinear_le:16 2ch 48000Hz, blk 1920 bytes (10ms) for recording
[   1.0541092] hdafg4 at hdaudio1: NVIDIA GT21x HDMI
[   1.0541092] hdafg4: DP00 8ch: Digital Out [Jack]
[   1.0541092] hdafg4: 8ch/0ch 48000Hz PCM16*
[   1.0541092] audio4 at hdafg4: capture
[   1.0541092] audio4: slinear_le:16 2ch 48000Hz, blk 1920 bytes (10ms) for recording
[   1.0541092] pchb0 at pci0 dev 24 function 0: AMD K8 AMD64 HyperTransport Configuration (rev. 0x00)
[   1.0541092] pchb1 at pci0 dev 24 function 1: AMD K8 AMD64 Address Map Configuration (rev. 0x00)
[   1.0541092] pchb2 at pci0 dev 24 function 2: AMD K8 AMD64 DRAM Configuration (rev. 0x00)
[   1.0541092] amdnb_misc0 at pci0 dev 24 function 3: AMD NB Misc Configuration
[   1.0541092] amdtemp0 at amdnb_misc0: AMD CPU Temperature Sensors (K8: core rev BH-F2, socket AM2)
[   1.0541092] isa0 at pcib0
[   1.0541092] acpicpu0 at cpu0: ACPI CPU
[   1.0541092] acpicpu1 at cpu1: ACPI CPU
[   1.0541092] fwohci0: BUS reset
[   1.0541092] fwohci0: node_id=0xc800ffc0, gen=1, CYCLEMASTER mode
[   1.0541092] ieee1394if0: 1 nodes, maxhop <= 0 cable IRM irm(0) (me)
[   1.0541092] ieee1394if0: bus manager 0
[   1.0541092] fd0 at fdc0 drive 0: 1.44MB, 80 cyl, 2 head, 18 sec
[   1.3822892] uhub0 at usb2: NetBSD (0x0000) xHCI root hub (0x0000), class 9/0, rev 3.00/1.00, addr 0
[   1.3922859] uhub1 at usb3: NetBSD (0x0000) xHCI root hub (0x0000), class 9/0, rev 2.00/1.00, addr 0
[   1.4022864] uhub2 at usb0: NetBSD (0x0000) OHCI root hub (0x0000), class 9/0, rev 1.00/1.00, addr 1
[   1.4122855] uhub3 at usb1: NetBSD (0x0000) EHCI root hub (0x0000), class 9/0, rev 2.00/1.00, addr 1
[   1.4222865] atapibus0 at atabus0: 2 targets
[   1.4322854] cd0 at atapibus0 drive 0: <HL-DT-ST DVDRAM GSA-H12N, K096APE1105, UL01> cdrom removable
[   1.5022854] ahcisata0 port 0: device present, speed: 6.0Gb/s
[   1.5022854] ahcisata0 port 1: device present, speed: 6.0Gb/s
[   1.8522856] uhub4 at uhub1 port 1: vendor 2109 (0x2109) USB2.0 Hub (0x3431), class 9/0, rev 2.10/4.20, addr 1
[   1.8622865] uhub4: single transaction translator
[   3.0722861] wd0 at atabus7 drive 0
[   3.0722861] wd0: <ST4000VN006-3CW104>
[   3.0722861] wd0: 3726 GB, 7752021 cyl, 16 head, 63 sec, 512 bytes/sect x 7814037168 sectors (4096 bytes/physsect; first aligned sector: 8)
[   3.1222861] dk0 at wd0: "7fe689de-8e1f-4f61-a6b6-32ca54c15df1", 2014 blocks at 34, type: <unknown>
[   3.1322871] dk1 at wd0: "04b22763-ec2b-4227-a77a-aa47d4fa4980", 2097152 blocks at 2048, type: msdos
[   3.1422871] dk2 at wd0: "28c204fb-646a-4cb2-9bb5-29dfe0e2b4ee", 4292868097 blocks at 2099200, type: <unknown>
[   3.1522868] dk3 at wd0: "91e4e270-d68e-ad4b-86bb-7816d95a2939", 167772160 blocks at 4294969344, type: ext2fs
[   3.1622863] dk4 at wd0: "6816e6c4-0fc2-8341-99f6-cc83672c5005", 104857601 blocks at 4462741504, type: ext2fs
[   3.1722867] dk5 at wd0: "0a82af55-176a-ab49-82aa-3b080e66af4f", 2147483648 blocks at 4567601152, type: ntfs
[   3.1822865] dk6 at wd0: "333c5934-1016-8645-8ff6-9fedafaed2e2", 134217728 blocks at 6715084800, type: ext2fs
[   3.1922863] dk7 at wd0: "03fc9a8a-215a-ba48-9438-8211c23aa109", 134217728 blocks at 6849302528, type: ext2fs
[   3.2022871] wd1 at atabus8 drive 0
[   3.2122864] wd1: <WDC WD5000AAKX-001CA0>
[   3.2122864] wd1: 465 GB, 969021 cyl, 16 head, 63 sec, 512 bytes/sect x 976773168 sectors
[   3.2722862] swwdog0: software watchdog initialized
[   3.4322862] boot device: wd1
[   3.4322862] root on wd1a dumps on wd1b
[   3.4722864] /: replaying log to memory
[   3.4922866] root file system type: ffs
[   3.5036219] kern.module.path=/stand/amd64/10.0/modules
[   3.5146541] nouveau0: NVIDIA GT218 (0a8280b1)
[   3.6322921] nouveau0: bios: version 70.18.94.00.00
[   3.6322921] nouveau0: interrupting at ioapic0 pin 16 (nouveau0)
[   3.6451132] nouveau0: fb: 1024 MiB DDR3
[   3.7022863] Zone  kernel: Available graphics memory: 9007199254061710 KiB
[   3.7022863] Zone   dma32: Available graphics memory: 2097152 KiB
[   3.7161717] nouveau0: DRM: VRAM: 1024 MiB
[   3.7223968] nouveau0: DRM: GART: 1048576 MiB
[   3.7223968] nouveau0: DRM: TMDS table version 2.0
[   3.7223968] nouveau0: DRM: DCB version 4.0
[   3.7353946] nouveau0: DRM: DCB outp 00: 01000302 00020030
[   3.7353946] nouveau0: DRM: DCB outp 01: 02000300 00000000
[   3.7461408] nouveau0: DRM: DCB outp 02: 02011362 00020010
[   3.7461408] nouveau0: DRM: DCB outp 03: 01022310 00000000
[   3.7568879] nouveau0: DRM: DCB conn 00: 00001030
[   3.7568879] nouveau0: DRM: DCB conn 01: 00002161
[   3.7660744] nouveau0: DRM: DCB conn 02: 00000200
[   3.7722870] nouveau0: DRM: MM: using COPY for buffer copies
[   3.7722870] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[   3.7858389] [drm] Driver supports precise vblank timestamp query.
[   3.8222869] nouveaufb0 at nouveau0
[   3.8332587] [drm] Initialized nouveau 1.3.1 20120801 for nouveau0 on minor 0
[   5.8322878] nouveau0: error: DRM: core notifier timeout
[   7.8422883] nouveau0: error: DRM: base-0: timeout
[   7.8528602] wsdisplay0 at nouveaufb0 kbdmux 1
[   7.8635043] entropy: best effort


>How-To-Repeat:
Install official https://cdn.netbsd.org/pub/NetBSD/NetBSD-10.0_RC3/images/NetBSD-10.0_RC3-amd64-bios-install.img.gz on this machine:

- MS-7250 K9N Platinum
- CPU: AMD Athlon(tm) 64 X2 Dual Core Processor 3800+
- addon PCIe AHCI controller (on-board MCP55 SATA unused - troublesome under both FreeBSD and NetBSD). NetBSD installed on second SATA HDD


Issue "reboot" command on that machine.
It will lead to panic message right before reboot (on detaching devices):

netbsd-wd500# sync
netbsd-wd500# reboot
Jan 29 16:35:03 netbsd-wd500 reboot: rebooted by root
Jan 29 16:35:03 netbsd-wd500 syslogd[927]: Exiting on signal 15
[  59.0423137] syncing disks... done
[  59.2423150] uhub4: detached
[  59.2423150] dk7 at wd0 (03fc9a8a-215a-ba48-9438-8211c23aa109) deleted
[  59.2423150] dk6 at wd0 (333c5934-1016-8645-8ff6-9fedafaed2e2) deleted
[  59.2584073] dk5 at wd0 (0a82af55-176a-ab49-82aa-3b080e66af4f) deleted
[  59.2648202] dk4 at wd0 (6816e6c4-0fc2-8341-99f6-cc83672c5005) deleted
[  59.2648202] dk3 at wd0 (91e4e270-d68e-ad4b-86bb-7816d95a2939) deleted
[  59.2776471] dk2 at wd0 (28c204fb-646a-4cb2-9bb5-29dfe0e2b4ee) deleted
[  59.2840603] dk1 at wd0 (04b22763-ec2b-4227-a77a-aa47d4fa4980) deleted
[  59.2840603] dk0 at wd0 (7fe689de-8e1f-4f61-a6b6-32ca54c15df1) deleted
[  59.2968873] wd0: detached
[  59.3323141] uhub1: detached
[  59.3443133] uhub0: detached
[  59.3443133] uvm_fault(0xffff86b886d15050, 0x0, 1) -> e
[  59.3443133] fatal page fault in supervisor mode
[  59.3548842] trap type 6 code 0 rip 0xffffffff80ae1cc0 cs 0x8 rflags 0x10282 cr2 0x30 ilevel 0 rsp 0xffffd2024206bd78
[  59.3671904] curlwp 0xffff86b8860ff580 pid 2870.2870 lowest kstack 0xffffd202420672c0
kernel: page fault trap, code=0
Stopped in pid 2870.2870 (reboot) at    netbsd:hdafg_freem+0x7: cmpq    %rsi,30(
%rax)
hdafg_freem() at netbsd:hdafg_freem+0x7
audiodetach() at netbsd:audiodetach+0x214
config_detach() at netbsd:config_detach+0xfc
config_detach_all() at netbsd:config_detach_all+0xc8
cpu_reboot() at netbsd:cpu_reboot+0x1c0
kern_reboot() at netbsd:kern_reboot+0x6c
sys_reboot() at netbsd:sys_reboot+0x63
syscall() at netbsd:syscall+0x1fc
--- syscall (number 208) ---
netbsd:syscall+0x1fc:
ds          5a00
es          5d86
fs          bd60
gs          0
rdi         ffff86b885a87130
rsi         ffffd20230416000
rbp         ffffd2024206bd90
rbx         ffff86b885a7bb00
rdx         1680
rcx         ffff86b8860ff580
rax         0
r8          ffffd20230416000
r9          0
r10         2b
r11         0
r12         0
r13         0
r14         ffff86b885a89270
r15         ffff86b885a893c0
rip         ffffffff80ae1cc0    hdafg_freem+0x7
cs          8
rflags      10282
rsp         ffffd2024206bd78
ss          10
netbsd:hdafg_freem+0x7: cmpq    %rsi,30(%rax)
db{0}> bt
hdafg_freem() at netbsd:hdafg_freem+0x7
audiodetach() at netbsd:audiodetach+0x214
config_detach() at netbsd:config_detach+0xfc
config_detach_all() at netbsd:config_detach_all+0xc8
cpu_reboot() at netbsd:cpu_reboot+0x1c0
kern_reboot() at netbsd:kern_reboot+0x6c
sys_reboot() at netbsd:sys_reboot+0x63
syscall() at netbsd:syscall+0x1fc
--- syscall (number 208) ---
netbsd:syscall+0x1fc:
db{0}> show panic
Panic string: (null)
db{0}> ps
PID    LID S CPU     FLAGS       STRUCT LWP *               NAME WAIT
2870 >2870 7   0         0   ffff86b8860ff580             reboot
1        1 3   0   8020180   ffff86b885cdd500               init wait
0      189 3   0       200   ffff86b885dbf100            physiod physiod
0      168 3   1       200   ffff86b885dbf980           ttm_swap ttm_swap
0      167 3   1       200   ffff86b885dbf540          pooldrain pooldrain
0      166 3   1       200   ffff86b885bf8a80            ioflush syncer
0      165 3   1       200   ffff86b885bfd240           pgdaemon pgdaemon
0      164 3   1       200   ffff86b885bfd680          nvkm-disp nvkm-disp
0      161 3   1       200   ffff86b885c0a6c0          swwreboot swwreboot
0      222 3   0       200   ffff86b885bfdac0             npfgc0 npfgcw
0      221 3   1       200   ffff86b885cdd0c0            rt_free rt_free
0      220 3   1       200   ffff86b885cb0900              unpgc unpgc
0      219 3   0       200   ffff86b885cb04c0    key_timehandler key_timehandler

0      218 3   1       200   ffff86b885cb0080    icmp6_wqinput/1 icmp6_wqinput
0      217 3   0       200   ffff86b885c938c0    icmp6_wqinput/0 icmp6_wqinput
0      216 3   1       200   ffff86b885c93480          nd6_timer nd6_timer
0      215 3   1       200   ffff86b885c93040    carp6_wqinput/1 carp6_wqinput
0      214 3   0       200   ffff86b885c6ebc0    carp6_wqinput/0 carp6_wqinput
0      213 3   1       200   ffff86b885c6e780     carp_wqinput/1 carp_wqinput
0      212 3   0       200   ffff86b885c6e340     carp_wqinput/0 carp_wqinput
0      211 3   1       200   ffff86b885c51b80     icmp_wqinput/1 icmp_wqinput
0      210 3   0       200   ffff86b885c51740     icmp_wqinput/0 icmp_wqinput
0      209 3   1       200   ffff86b885c51300           rt_timer rt_timer
0      208 3   0       200   ffff86b885c2ab40        vmem_rehash vmem_rehash
0      207 3   1       200   ffff86b885bf8640          atapibus0 sccomp
0      206 3   1       200   ffff86b885bf8200               usb1 usbevt
0      205 3   1       200   ffff86b885c0a280               usb0 usbevt
0      203 3   1       200   ffff86b885c2a700               usb3 usbevt
0      202 3   1       200   ffff86b885c2a2c0               usb2 usbevt
0      201 3   1       200   ffff86b885c0ab00           amdtemp0 amdtemp0
0      192 3   0       200   ffff86b885989a40          entbutler entropy
0      125 3   0       200   ffff86b885989600        nouveau_pci nouveau_pci
0      124 3   0       240   ffff86b8859891c0           atabus26 atath
0      123 3   1       240   ffff86b8859b8a00           atabus25 atath
0      122 3   0       240   ffff86b8859b85c0           atabus24 atath
0      121 3   0       240   ffff86b8859b8180           atabus23 atath
0      120 3   1       240   ffff86b88590f9c0           atabus22 atath
0      119 3   1       240   ffff86b88590f580           atabus21 atath
0      118 3   1       240   ffff86b88590f140           atabus20 atath
0      117 3   0       240   ffff86b8858c6980           atabus19 atath
0      116 3   1       240   ffff86b8858c6540           atabus18 atath
0      115 3   0       240   ffff86b8858c6100           atabus17 atath
0      114 3   0       240   ffff86b885945940           atabus16 atath
0      113 3   1       240   ffff86b885945500           atabus15 atath
0      112 3   0       240   ffff86b8859450c0           atabus14 atath
0      111 3   1       240   ffff86b88591c900           atabus13 atath
0      110 3   0       240   ffff86b88591c4c0           atabus12 atath
0      109 3   1       240   ffff86b88591c080           atabus11 atath
0      108 3   0       240   ffff86b88590b8c0           atabus10 atath
0      107 3   0       240   ffff86b88590b480            atabus9 atath
0      106 3   0       240   ffff86b88590b040            atabus8 atath
0      105 3   0       240   ffff86b884e24bc0            atabus7 atath
0      104 3   0       380   ffff86b884e24780           fw0probe ieee1394
0      103 3   1       240   ffff86b884e24340            atabus6 atath
0      102 3   0       240   ffff86b884e16b80            atabus5 atath
0      101 3   0       240   ffff86b884e16740            atabus4 atath
0      100 3   1       240   ffff86b884e16300            atabus3 atath
0       99 3   1       240   ffff86b884defb40            atabus2 atath
0       98 3   0       240   ffff86b884def700            atabus1 atath
0       97 3   1       240   ffff86b884def2c0            atabus0 atath
0       96 3   0       200   ffff86b884daab00         usbtask-dr usbtsk
0       30 3   0       200   ffff86b884daa6c0         usbtask-hc usbtsk
0       29 3   0       200   ffff86b884daa280               pms0 pmsreset
0       28 3   1       200   ffff86b884c35ac0            xcall/1 xcall
0       27 1   1       200   ffff86b884c35680          softser/1
0       26 1   1       200   ffff86b884c35240          softclk/1
0       25 1   1       200   ffff86b884c1aa80          softbio/1
0       24 1   1       200   ffff86b884c1a640          softnet/1
0    >  23 1   1       201   ffff86b884c1a200             idle/1
0       22 3   0       200   ffff86b9b4d48a40           lnxsyswq lnxsyswq
0       21 3   0       200   ffff86b9b4d48600           lnxubdwq lnxubdwq
0       20 3   0       200   ffff86b9b4d481c0           lnxpwrwq lnxpwrwq
0       19 3   0       200   ffff86b9b4d5da00           lnxlngwq lnxlngwq
0       18 3   0       200   ffff86b9b4d5d5c0           lnxhipwq lnxhipwq
0       17 3   0       200   ffff86b9b4d5d180           lnxrcugc lnxrcugc
0       16 3   0       200   ffff86b9b4d6f9c0             sysmon smtaskq
0       15 3   0       200   ffff86b9b4d6f580         pmfsuspend pmfsuspend
0       14 3   0       200   ffff86b9b4d6f140           pmfevent pmfevent
0       13 3   0       200   ffff86b9b4d87980         sopendfree sopendfr
0       12 3   0       200   ffff86b9b4d87540             ifwdog ifwdog
0       11 3   1       200   ffff86b9b4d87100            iflnkst iflnkst
0       10 3   0       200   ffff86b9b5dac940           nfssilly nfssilly
0        9 3   0       200   ffff86b9b5dac500             vdrain vdrain
0        8 3   0       200   ffff86b9b5dac0c0          modunload mod_unld
0        7 3   0       200   ffff86b9b5ddd900            xcall/0 xcall
0        6 1   0       200   ffff86b9b5ddd4c0          softser/0
0        5 1   0       200   ffff86b9b5ddd080          softclk/0
0        4 1   0       200   ffff86b9b5e078c0          softbio/0
0        3 1   0       200   ffff86b9b5e07480          softnet/0
0        2 1   0       201   ffff86b9b5e07040             idle/0
0        0 3   0       200   ffffffff8188abc0            swapper uvm
db{0}> show devices
NAME                  CLASS UNIT           DEVICE_T            PRIVATE
mainbus0               dull    0   ffff86b9b5e16940                  0
ioapic0                dull    0   ffff86b9b5e16c40   ffff86b9b4ce61c0
cpu0                   dull    0   ffff86b9b4cd3080   ffff86b9b626ff60
cpu1                   dull    1   ffff86b9b4cd3380   ffff86b9b626ffe0
acpi0                  dull    0   ffff86b9b4cd3680   ffff86b9b4ce6580
hpet0                  dull    0   ffff86b9b4cd3980   ffff86b884cc7c80
attimer1               dull    1   ffff86b9b4cd3c80   ffff86b884cda0c0
pcppi1                 dull    1   ffff86b884d4f0c0   ffff86b884cbf340
spkr0                  dull    0   ffff86b884d4f3c0   ffff86b884cc1680
midi0                  dull    0   ffff86b884d4f6c0   ffff86b884d50000
sysbeep0               dull    0   ffff86b884d4f9c0                  0
com0                    tty    0   ffff86b884d49100   ffff86b884d4fcc0
com1                    tty    1   ffff86b884d49a00   ffff86b884d49700
fdc0                   dull    0   ffff86b884d6d040   ffff86b884ccb4c0
lpt0                   dull    0   ffff86b884d6d340   ffff86b884cbf700
pckbc1                 dull    1   ffff86b884d6d640   ffff86b884cda380
pckbc2                 dull    2   ffff86b884d6d940   ffff86b884cda400
acpibut0               dull    0   ffff86b884d6dc40   ffff86b884cda480
pckbd0                 dull    0   ffff86b884d80080   ffff86b884cda500
wskbd0                 dull    0   ffff86b884d80380   ffff86b9b4d95ac0
pms0                   dull    0   ffff86b884d80980   ffff86b884d7f940
wsmouse0               dull    0   ffff86b884d80c80   ffff86b884d91080
pci0                   dull    0   ffff86b884db33c0   ffffd20010daf000
pcib0                  dull    0   ffff86b884db36c0   ffff86b884c09aa0
nfsmbc0                dull    0   ffff86b884db39c0   ffff86b884cda7c0
nfsmb0                 dull    0   ffff86b884db3cc0   ffff86b884cc1a00
iic0                   dull    0   ffff86b884ddb100   ffffd2000f770000
nfsmb1                 dull    1   ffff86b884ddb400   ffff86b884cc1a80
iic1                   dull    1   ffff86b884ddb700   ffffd2000f773000
ohci0                  dull    0   ffff86b884ddba00   ffffd2000fbfa000
usb0                   dull    0   ffff86b884ddbd00   ffff86b884cc1e00
ehci0                  dull    0   ffff86b9b5e16040   ffff86b884dcd000
usb1                   dull    1   ffff86b884dd7040   ffff86b884deec40
viaide0                dull    0   ffff86b884dd7340   ffffd2000fbfe000
atabus0                dull    0   ffff86b884dd7640   ffff86b884c09e00
viaide1                dull    1   ffff86b884dd7940   ffffd2000fc00000
atabus1                dull    1   ffff86b884dd7c40   ffff86b884c09ea0
atabus2                dull    2   ffff86b884e18080   ffff86b884c09f20
viaide2                dull    2   ffff86b884e18380   ffffd2000fc02000
atabus3                dull    3   ffff86b884e18680   ffff86b884c09fe0
atabus4                dull    4   ffff86b884e18980   ffff86b884e0c000
viaide3                dull    3   ffff86b884e18c80   ffffd2000fc04000
atabus5                dull    5   ffff86b884e090c0   ffff86b884e0c0a0
atabus6                dull    6   ffff86b884e093c0   ffff86b884e0c0c0
ppb0                   dull    0   ffff86b884e099c0   ffff86b884e096c0
pci1                   dull    1   ffff86b884e09cc0   ffffd20010e03000
fwohci0                dull    0   ffff86b884e41100   ffffd20010e17000
ieee1394if0            dull    0   ffff86b884e41400   ffff86b884e0c1c0
fwip0                 ifnet    0   ffff86b884e41700   ffff86b884cce000
hdaudio0               dull    0   ffff86b884e41d00   ffffd2000fc0a000
hdafg0                 dull    0   ffff86b884ee2040   ffff86b884c23000
audio0             audiodev    0   ffff86b884ee2940   ffff86b884ee2640
spkr1                  dull    1   ffff86b884ee2c40   ffff86b884edb400
nfe0                  ifnet    0   ffff86b884efa080   ffffd2000f7ae000
ciphy0                 dull    0   ffff86b884efa380   ffff86b884efb580
nfe1                  ifnet    1   ffff86b884efa980   ffffd2000f7b2000
ciphy1                 dull    1   ffff86b884efac80   ffff86b884efba00
ppb1                   dull    1   ffff86b8856d86c0   ffff86b8856d83c0
pci2                   dull    2   ffff86b8856d89c0   ffffd20011497000
ppb2                   dull    2   ffff86b88568f100   ffff86b8856d8cc0
pci3                   dull    3   ffff86b88568f400   ffffd200114ab000
ahcisata0              dull    0   ffff86b88568f700   ffffd200114bf000
atabus7                dull    7   ffff86b88568fa00   ffff86b884e0c860
atabus8                dull    8   ffff86b88568fd00   ffff86b884e0c900
atabus9                dull    9   ffff86b8856cf040   ffff86b884e0c960
atabus10               dull   10   ffff86b8856cf340   ffff86b884e0c9c0
atabus11               dull   11   ffff86b8856cf640   ffff86b884e0ca20
atabus12               dull   12   ffff86b8856cf940   ffff86b884e0ca80
atabus13               dull   13   ffff86b8856cfc40   ffff86b884e0cae0
atabus14               dull   14   ffff86b88593d080   ffff86b884e0cb40
atabus15               dull   15   ffff86b88593d380   ffff86b884e0cba0
atabus16               dull   16   ffff86b88593d680   ffff86b884e0cc00
atabus17               dull   17   ffff86b88593d980   ffff86b884e0cc60
atabus18               dull   18   ffff86b88593dc80   ffff86b884e0ccc0
atabus19               dull   19   ffff86b88597c0c0   ffff86b884e0cd20
atabus20               dull   20   ffff86b88597c3c0   ffff86b884e0cd80
atabus21               dull   21   ffff86b88597c6c0   ffff86b884e0cde0
atabus22               dull   22   ffff86b88597c9c0   ffff86b884e0ce40
atabus23               dull   23   ffff86b88597ccc0   ffff86b884e0cea0
atabus24               dull   24   ffff86b8859c4100   ffff86b884e0cf00
atabus25               dull   25   ffff86b8859c4400   ffff86b884e0cf60
atabus26               dull   26   ffff86b8859c4700   ffff86b884e0cfc0
ppb3                   dull    3   ffff86b8859c4d00   ffff86b8859c4a00
pci4                   dull    4   ffff86b8859fc040   ffffd200114d0000
xhci0                  dull    0   ffff86b8859fc340   ffff86b885996000
usb2                   dull    2   ffff86b8859fc640   ffff86b8859a6500
usb3                   dull    3   ffff86b8859fc940   ffff86b8859a6580
ppb4                   dull    4   ffff86b885a13080   ffff86b8859fcc40
pci5                   dull    5   ffff86b885a13380   ffffd20011524000
ppb5                   dull    5   ffff86b885a13980   ffff86b885a13680
pci6                   dull    6   ffff86b885a13c80   ffffd20011538000
nouveau0               dull    0   ffff86b885a3c3c0   ffff86b885a3c0c0
hdaudio1               dull    1   ffff86b885a3c9c0   ffffd2000fc10000
hdafg1                 dull    1   ffff86b885a3ccc0   ffff86b885a66000
audio1             audiodev    1   ffff86b885a67700   ffff86b885a67400
spkr2                  dull    2   ffff86b885a67a00   ffff86b8859a6980
hdafg2                 dull    2   ffff86b885a67d00   ffff86b885a74000
audio2             audiodev    2   ffff86b885a6e640   ffff86b885a6e340
spkr3                  dull    3   ffff86b885a6e940   ffff86b8859a6c80
hdafg3                 dull    3   ffff86b885a6ec40   ffff86b885a82000
audio3             audiodev    3   ffff86b885a7d680   ffff86b885a7d380
hdafg4                 dull    4   ffff86b885a7d980   ffff86b885a87000
audio4             audiodev    4   ffff86b885a893c0   ffff86b885a890c0
pchb0                  dull    0   ffff86b885a896c0   ffff86b8858cfb00
pchb1                  dull    1   ffff86b885a899c0   ffff86b8858cfc00
pchb2                  dull    2   ffff86b885a89cc0   ffff86b8858cfd00
amdnb_misc0            dull    0   ffff86b885a8c100   ffff86b885a92040
amdtemp0               dull    0   ffff86b885a8c400   ffff86b885a73680
isa0                   dull    0   ffff86b885a8c700   ffff86b885a73900
acpicpu0               dull    0   ffff86b885a8ca00   ffff86b885a5c000
acpicpu1               dull    1   ffff86b885a8cd00   ffff86b885a5c800
fd0                    disk    0   ffff86b885c28340   ffff86b885c28040
uhub0                  dull    0   ffff86b885c28640   ffff86b885a92440
uhub1                  dull    1   ffff86b885c28940   ffff86b885a924c0
uhub2                  dull    2   ffff86b885c28c40   ffff86b885a92740
uhub3                  dull    3   ffff86b885c33080   ffff86b885a927c0
atapibus0              dull    0   ffff86b885c33380   ffff86b9b5e18f50
cd0                    disk    0   ffff86b885ca6cc0   ffff86b885ca69c0
uhub4                  dull    4   ffff86b885ceea00   ffff86b885ce3e40
wd0                    disk    0   ffff86b885ceed00   ffff86b885d00000
dk0                    disk    0   ffff86b885d15340                  0
dk1                    disk    1   ffff86b885d15940                  0
dk2                    disk    2   ffff86b885d0f080                  0
dk3                    disk    3   ffff86b885d0f680                  0
dk4                    disk    4   ffff86b885d0fc80                  0
dk5                    disk    5   ffff86b885d093c0                  0
dk6                    disk    6   ffff86b885d099c0                  0
dk7                    disk    7   ffff86b885d1d100                  0
wd1                    disk    1   ffff86b885d1d400   ffff86b885d00800
swcrypto0              dull    0   ffff86b885d1dd00                  0
swwdog0                dull    0   ffff86b885d30040   ffff86b885cf3940
nouveaufb0             dull    0   ffff86b886103a00   ffff86b88610c600
wsdisplay0             dull    0   ffff86b886103100   ffff86b885ddb980
db{0}> show panic
Panic string: (null)
db{0}> show registers
ds          5a00
es          5d86
fs          bd60
gs          0
rdi         ffff86b885a87130
rsi         ffffd20230416000
rbp         ffffd2024206bd90
rbx         ffff86b885a7bb00
rdx         1680
rcx         ffff86b8860ff580
rax         0
r8          ffffd20230416000
r9          0
r10         2b
r11         0
r12         0
r13         0
r14         ffff86b885a89270
r15         ffff86b885a893c0
rip         ffffffff80ae1cc0    hdafg_freem+0x7
cs          8
rflags      10282
rsp         ffffd2024206bd78
ss          10
netbsd:hdafg_freem+0x7: cmpq    %rsi,30(%rax)
db{0}> bt
hdafg_freem() at netbsd:hdafg_freem+0x7
audiodetach() at netbsd:audiodetach+0x214
config_detach() at netbsd:config_detach+0xfc
config_detach_all() at netbsd:config_detach_all+0xc8
cpu_reboot() at netbsd:cpu_reboot+0x1c0
kern_reboot() at netbsd:kern_reboot+0x6c
sys_reboot() at netbsd:sys_reboot+0x63
syscall() at netbsd:syscall+0x1fc
--- syscall (number 208) ---
netbsd:syscall+0x1fc:
db{0}> 


Panic seems to be related to audio. Here are more details on my audio devices.

$ audiocfg list

0: [*] audio0 @ hdafg0: Realtek ALC883
       playback: 2ch, 48000Hz
       record:   2ch, 48000Hz
       (PR) slinear_le 16/16, 2ch, { 44100, 48000, 96000, 192000 }
       (P-) slinear_le 16/16, 4ch, { 44100, 48000, 96000, 192000 }
       (P-) slinear_le 16/16, 6ch, { 44100, 48000, 96000, 192000 }
       (PR) slinear_le 20/32, 2ch, { 44100, 48000, 96000, 192000 }
       (P-) slinear_le 20/32, 4ch, { 44100, 48000, 96000, 192000 }
       (P-) slinear_le 20/32, 6ch, { 44100, 48000, 96000, 192000 }
       (PR) slinear_le 24/32, 2ch, { 44100, 48000, 96000, 192000 }
       (P-) slinear_le 24/32, 4ch, { 44100, 48000, 96000, 192000 }
       (P-) slinear_le 24/32, 6ch, { 44100, 48000, 96000, 192000 }
       (  ) ac3 16/16, 2ch, { 44100, 48000, 96000, 192000 }
       (  ) ac3 16/16, 4ch, { 44100, 48000, 96000, 192000 }
       (  ) ac3 16/16, 6ch, { 44100, 48000, 96000, 192000 }
1: [ ] audio1 @ hdafg1: NVIDIA GT21x HDMI
       playback: 2ch, 48000Hz
       record:   2ch, 48000Hz
       (P-) slinear_le 16/16, 2ch, { 48000 }
       (P-) slinear_le 16/16, 4ch, { 48000 }
       (P-) slinear_le 16/16, 6ch, { 48000 }
       (P-) slinear_le 16/16, 8ch, { 48000 }
       (PR) slinear_le 16/16, 2ch, 48000-48000Hz
2: [ ] audio2 @ hdafg2: NVIDIA GT21x HDMI
       playback: 2ch, 48000Hz
       record:   2ch, 48000Hz
       (P-) slinear_le 16/16, 2ch, { 48000 }
       (P-) slinear_le 16/16, 4ch, { 48000 }
       (P-) slinear_le 16/16, 6ch, { 48000 }
       (P-) slinear_le 16/16, 8ch, { 48000 }
       (PR) slinear_le 16/16, 2ch, 48000-48000Hz
3: [ ] audio3 @ hdafg3: NVIDIA GT21x HDMI
       playback: unavailable
       record:   2ch, 48000Hz
       (P-) slinear_le 16/16, 2ch, { 48000 }
       (P-) slinear_le 16/16, 4ch, { 48000 }
       (P-) slinear_le 16/16, 6ch, { 48000 }
       (P-) slinear_le 16/16, 8ch, { 48000 }
       (PR) slinear_le 16/16, 2ch, 48000-48000Hz


Please let me know if you need any additional information.
>Fix:
N/A





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