NetBSD Problem Report #60042

From billc@NetBSD.org  Thu Feb 26 19:56:42 2026
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Date: Thu, 26 Feb 2026 11:56:14 -0800
From: William 'Cryo' Coldwell <billc@NetBSD.org>
To: "gnats-bugs@netbsd.org" <gnats-bugs@NetBSD.org>
Subject: panic: cpu0: time has not advanced in N heartbeats 
X-From4GNATS: "William 'Cryo' Coldwell via gnats" <gnats-admin@NetBSD.org>

>Number:         60042
>Category:       port-amd64
>Synopsis:       panic: cpu0: time has not advanced in N heartbeats
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    port-amd64-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu Feb 26 20:00:00 +0000 2026
>Last-Modified:  Sun Nov 01 01:21:11 +0000 2026
>Originator:     billc
>Release:        NetBSD 11.0_RC1
>Organization:

>Environment:
 System: NetBSD mortalcoil.local 11.0_RC1 NetBSD 11.0_RC1 (GENERIC) #0: Fri Feb 6 08:24:25 UTC 2026 mkrepro@mkrepro.NetBSD.org:/usr/src/sys/arch/amd64/compile/GENERIC amd64
 Architecture: x86_64
 Machine: amd64
>Description:
ANITA will tickle this during a large file transfer in sysconfig:

some sysctl:

hw.ncpu = 80
hw.physmem64 = 479646928896
hw.usermem64 = 479627333632
hw.ncpuonline = 80

kern.timecounter.hardware = TSC

machdep.tsc_freq = 1900000000
machdep.tsc_user_enable = 1

machdep.cpu_brand = Genuine Intel(R) CPU 0000%@
machdep.cpu.frequency.target = 1901
machdep.cpu.frequency.current = 1901
machdep.cpu.frequency.available = 1901 1900 1800 1700 1600 1500 1400 1300 1200 1100 1000 900 800


[1935][root@mortalcoil:~]$ sh /root/ANITA /tmp/202602261811-netbsd-11-amd64/releasedir/amd64/
VMM_ARCH=amd64  VMM_ARGS=--vmm-args=-accel nvmm -cpu host -smp cpus=2
This is anita version 2.15
Using pexpect version 4.9.0
/usr/pkg/bin/anita \
    '--vmm-args=-accel nvmm -cpu host -smp cpus=2' \
    --workdir=/void/anita.amd64.17419 \
    --memory-size 2G \
    --disk-size 8G \
    --boot-from cdrom \
    test \
    file:///tmp/202602261811-netbsd-11-amd64/releasedir/amd64/
Downloading file:///tmp/202602261811-netbsd-11-amd64/releasedir/amd64/installation/misc/pxeboot_ia32.bin... OK
Downloading file:///tmp/202602261811-netbsd-11-amd64/releasedir/amd64/installation/floppy/boot-com1.fs... missing but optional, so that's OK
Downloading file:///tmp/202602261811-netbsd-11-amd64/releasedir/amd64/installation/floppy/boot2.fs... missing but optional, so that's OK
Downloading file:///tmp/202602261811-netbsd-11-amd64/releasedir/amd64/installation/floppy/boot3.fs... missing but optional, so that's OK
Downloading file:///tmp/202602261811-netbsd-11-amd64/releasedir/amd64/installation/floppy/boot4.fs... missing but optional, so that'

SeaBIOS (version rel-1.17.0-0-gb52ca86e094d-prebuilt.qemu.org)


iPXE (http://ipxe.org) 00:03.0 CA00 PCI2.10 PnP PMM+7EFD1DF0+7EF31DF0 CA00



Booting from DVD/CD...

NetBSD/x86 cd9660 Primary Bootstrap


  \\-__,------,___.
   \\        __,---`  NetBSD/x86 BIOS Boot
    \\       `---,_.  Revision 5.12 (Tue Feb 24 00:26:26 UTC 2026)
     \\-,_____,.---`
      \\
       \\
        \\


     1. Boot normally
     2. Boot single user
     3. Drop to boot prompt

Choose an option; RETURN for default; SPACE to stop countdown.
Option 1 will be chosen in 0 seconds.
21447824+797440+1299712 [1017374+1413408+1039006]=0x1b4fcd8
WARNING: couldn't open /var/db/entropy-file
Loading /stand/amd64/11.0/modules/cd9660/cd9660.kmod
WARNING: 1 module failed to load
[   1.0000000] WARNING: system needs entropy for security; see entropy(7)
[   1.0000000] cpu_rng: rdrand/rdseed
[   1.0000000] entropy: ready
[   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, 2025, 2026
[   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 11.0_RC1 (GENERIC) #0: Tue Feb 24 00:26:26 UTC 2026
[   1.0000000]  mkrepro@mkrepro.NetBSD.org:/usr/src/sys/arch/amd64/compile/GENERIC
[   1.0000000] total memory = 2047 MB
[   1.0000000] avail memory = 1952 MB
[   1.0000000] WARNING: module error: Module `cd9660' pushed by boot loader already exists
[   1.0000040] mainbus0 (root)
[   1.0000040] ACPI: RSDP 0x00000000000F52E0 000014 (v00 BOCHS )
[   1.0000040] ACPI: RSDT 0x000000007FFE2390 000034 (v01 BOCHS  BXPC     00000001 BXPC 00000001)
[   1.0000040] ACPI: FACP 0x000000007FFE223C 000074 (v01 BOCHS  BXPC     00000001 BXPC 00000001)
[   1.0000040] ACPI: DSDT 0x000000007FFE0040 0021FC (v01 BOCHS  BXPC     00000001 BXPC 00000001)
[   1.0000040] ACPI: FACS 0x000000007FFE0000 000040
[   1.0000040] ACPI: APIC 0x000000007FFE22B0 000080 (v03 BOCHS  BXPC     00000001 BXPC 00000001)
[   1.0000040] ACPI: HPET 0x000000007FFE2330 000038 (v01 BOCHS  BXPC     00000001 BXPC 00000001)
[   1.0000040] ACPI: WAET 0x000000007FFE2368 000028 (v01 BOCHS  BXPC     00000001 BXPC 00000001)
[   1.0000040] ACPI: 1 ACPI AML tables successfully acquired and loaded
[   1.0000040] ioapic0 at mainbus0 apid 0
[   1.0000040] cpu0 at mainbus0 apid 0
qemu-system-x86_64: NVMM: Unexpected RDMSR 0x250, ignored
qemu-system-x86_64: NVMM: Unexpected RDMSR 0x258, ignored
qemu-system-x86_64: NVMM: Unexpected RDMSR 0x259, ignored
qemu-system-x86_64: NVMM: Unexpected RDMSR 0x268, ignored
qemu-system-x86_64: NVMM: Unexpected RDMSR 0x269, ignored
qemu-system-x86_64: NVMM: Unexpected RDMSR 0x26a, ignored
qemu-system-x86_64: NVMM: Unexpected RDMSR 0x26b, ignored
qemu-system-x86_64: NVMM: Unexpected RDMSR 0x26c, ignored
qemu-system-x86_64: NVMM: Unexpected RDMSR 0x26d, ignored
qemu-system-x86_64: NVMM: Unexpected RDMSR 0x26e, ignored
qemu-system-x86_64: NVMM: Unexpected RDMSR 0x26f, ignored
qemu-system-x86_64: NVMM: Unexpected WRMSR 0x250 [val=0x0], ignored
qemu-system-x86_64: NVMM: Unexpected WRMSR 0x258 [val=0x0], ignored
qemu-system-x86_64: NVMM: Unexpected WRMSR 0x259 [val=0x0], ignored
qemu-system-x86_64: NVMM: Unexpected WRMSR 0x268 [val=0x0], ignored
qemu-system-x86_64: NVMM: Unexpected WRMSR 0x269 [val=0x0], ignored
qemu-system-x86_64: NVMM: Unexpected WRMSR 0x26a [val=0x0], ignored
qemu-system-x86_64: NVMM: Unexpected WRMSR 0x26b [val=0x0], ignored
qemu-system-x86_64: NVMM: Unexpected WRMSR 0x26c [val=0x0], ignored
qemu-system-x86_64: NVMM: Unexpected WRMSR 0x26d [val=0x0], ignored
qemu-system-x86_64: NVMM: Unexpected WRMSR 0x26e [val=0x0], ignored
qemu-system-x86_64: NVMM: Unexpected WRMSR 0x26f [val=0x0], ignored
[   1.0000040] cpu0: Genuine Intel(R) CPU 0000%@, id 0x50654
[   1.0000040] cpu0: node 0, package 0, core 0, smt 0
[   1.0000040] cpu1 at mainbus0 apid 1
[   1.0000040] cpu1: Genuine Intel(R) CPU 0000%@, id 0x50654
[   1.0000040] cpu1: node 0, package 0, core 0, smt 1
[   1.0000040] acpi0 at mainbus0: Intel ACPICA 20241212
[   1.0000040] acpi0: fixed power button present
[   1.0120416] hpet0 at acpi0: high precision event timer (mem 0xfed00000-0xfed00400)
[   1.0139491] qemufwcfg0 at acpi0 (FWCF, QEMU0002): io 0x510-0x51b
[   1.0139491] pckbc1 at acpi0 (KBD, PNP0303) (kbd port): io 0x60,0x64 irq 1
[   1.0139491] pckbc2 at acpi0 (MOU, PNP0F13) (aux port): irq 12
[   1.0139491] fdc0 at acpi0 (FDC0, PNP0700): io 0x3f2-0x3f5,0x3f7 irq 6 drq 2
[   1.0139491] lpt0 at acpi0 (LPT1, PNP0400-1): io 0x378-0x37f irq 7
[   1.0139491] com0 at acpi0 (COM1, PNP0501-1): io 0x3f8-0x3ff irq 4
[   1.0139491] com0: ns16550a, 16-byte FIFO
[   1.0139491] com0: console
[   1.0139491] ACPI: Enabled 2 GPEs in block 00 to 0F
[   1.0139491] pckbd0 at pckbc1 (kbd slot)
[   1.0139491] pckbc1: using irq 1 for kbd slot
[   1.0139491] wskbd0 at pckbd0 mux 1
[   1.0139491] pms0 at pckbc1 (aux slot)
[   1.0139491] pckbc1: using irq 12 for aux slot
[   1.0139491] wsmouse0 at pms0 mux 0
[   1.0139491] pci0 at mainbus0 bus 0: configuration mode 1
[   1.0139491] pchb0 at pci0 dev 0 function 0: Intel 82441FX (PMC) PCI and Memory Controller (rev. 0x02)
[   1.0139491] pcib0 at pci0 dev 1 function 0: Intel 82371SB (PIIX3) PCI-ISA Bridge (rev. 0x00)
[   1.0139491] piixide0 at pci0 dev 1 function 1: Intel 82371SB IDE Interface (PIIX3) (rev. 0x00)
[   1.0139491] piixide0: primary channel interrupting at ioapic0 pin 14
[   1.0139491] atabus0 at piixide0 channel 0
[   1.0139491] piixide0: secondary channel interrupting at ioapic0 pin 15
     Status: Running
    Command: progress -zf /mnt2//amd64/binary/sets/comp.tgz tar --chroot -xpf -

=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=
=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=
=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=
=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=
=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=
=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=
=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=
=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=
=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=
=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80
 12% |****                               | 81216 KiB   53.00 MiB/s    00:10 ETA[  33.4968323]
panic: cpu0: time has not advanced in 1501 heartbeats
[  33.4968323] cpu0: Begin traceback...
[  33.4968323] vpanic() at netbsd:vpanic+0x171
[  33.4968323] panic() at netbsd:panic+0x3c
[  33.4968323] heartbeat() at netbsd:heartbeat+0x175
[  33.4968323] hardclock() at netbsd:hardclock+0x9c
[  33.4968323] cpu0: End traceback...
[  33.4968323] fatal breakpoint trap in supervisor mode
[  33.4968323] trap type 1 code 0 rip 0xffffffff8023537d cs 0x8 rflags 0x202 cr2 0xffffc000b4823000 ilevel 0x7 rsp 0xffffc000c2a19eb
8
[  33.4968323] curlwp 0xffffb7c9fd8ba400 pid 421.421 lowest kstack 0xffffc000c2a152c0
Stopped in pid 421.421 (tar) at netbsd:breakpoint+0x5:  leave
breakpoint() at netbsd:breakpoint+0x5
vpanic() at netbsd:vpanic+0x171
panic() at netbsd:panic+0x3c
heartbeat() at netbsd:heartbeat+0x175
hardclock() at netbsd:hardclock+0x9c
ds          0
es          180
fs          9e68
gs          9eb8
rdi         7
rsi         3f8
rbp         ffffc000c2a19eb8
rbx         ffffffff814b42b8    ostype+0xfad47
rdx         1
rcx         ffffffffffffff
rax         800000000000040
r8          700000000000040
r9          700000000000000
r10         0
r11         0
r12         ffffc000c2a19f00
r13         104
--db_more--

>How-To-Repeat:
        <code/input/activities to reproduce the problem (multiple lines)>
Run anita with a release ISO on amd64
>Fix:
 Unknown.

>Release-Note:

>Audit-Trail:

Responsible-Changed-From-To: gnats-admin->port-amd64-maintainer
Responsible-Changed-By: dholland@NetBSD.org
Responsible-Changed-When: Sun, 01 Nov 2026 01:21:11 +0000
Responsible-Changed-Why:
Fix up mangled PR, landed in pending


>Unformatted:
 panic: cpu0: time has not advanced in N heartbeats

 port-amd64

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