[Bug 281619] boot fails after 14.1-RELEASE upgrade

Reply: bugzilla-noreply_a_freebsd.org: "[Bug 281619] boot fails after 14.1-RELEASE upgrade"
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From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 20 Sep 2024 21:56:25 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=281619

            Bug ID: 281619
           Summary: boot fails after 14.1-RELEASE upgrade
           Product: Base System
           Version: 14.1-RELEASE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: freebsd@reality-based.com

I've been running FreeBSD on various servers for years, but I'm no expert. I
use "freebsd-update" and binary packages, but have generally found FreeBSD to
be exceptionally stable and low-maintenance. 

This particular server has been running for several years, and was initially
installed from FreeBSD 12.0-RELEASE. I've had no trouble using freebsd-update
and pkg for version upgrades, until now. 

As soon as 14.1-RELEASE was available, I tried to do an upgrade, but couldn't
boot into the new system because of a "panic: integer divide fault" error.
Fortunately I'm using ZFS and boot environments, so I could boot back into the
working 14.0-RELEASE boot environment. Since then I've tried several more times
to upgrade, but always hit that same integer divide fault error. 

A freebsd-update to FreeBSD 14.0-RELEASE-p11, today, went fine, but an update
to 14.1-RELEASE again failed. 

Today I managed to get a serial console connection to work, so that I could
capture the error and stack trace. 

This server is a Lenovo System x3650 M2 -[794752U].
Running 2x Intel(R) Xeon(R) X5660 for a total of 24 cores, with 32G of RAM. 
Booting from a ZFS mirror, with a lot of other disks connected, but encrypted,
so I use a script to manually "geli attach" them and then "zpool import" them. 

Below is what I captured, today:

Loading kernel...
/boot/kernel/kernel text=0x17baa0 text=0xd5ffd8 text=0x425e7c data=0x180+0xe80
data=0x1868b0+0x479750 0x8+0x189d38+0x8+0x1ad39c
Loading configured modules...
/boot/entropy size=0x1000
/boot/modules/pefs.ko size 0x2e8e0 at 0x2139000
/boot/kernel/zfs.ko size 0x5cd608 at 0x2168000
/etc/hostid size=0x25
---<<BOOT>>---
Copyright (c) 1992-2023 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
        The Regents of the University of California. All rights reserved.
FreeBSD is a registered trademark of The FreeBSD Foundation.
FreeBSD 14.1-RELEASE-p5 GENERIC amd64
FreeBSD clang version 18.1.5 (https://github.com/llvm/llvm-project.git
llvmorg-18.1.5-0-g617a15a9eac9)
VT(vga): resolution 640x480
CPU: Intel(R) Xeon(R) CPU           X5660  @ 2.80GHz (2800.19-MHz K8-class CPU)
  Origin="GenuineIntel"  Id=0x206c2  Family=0x6  Model=0x2c  Stepping=2
 
Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
 
Features2=0x29ee3ff<SSE3,PCLMULQDQ,DTES64,MON,DS_CPL,VMX,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,DCA,SSE4.1,SSE4.2,POPCNT,AESNI>
  AMD Features=0x2c100800<SYSCALL,NX,Page1GB,RDTSCP,LM>
  AMD Features2=0x1<LAHF>
  Structured Extended Features3=0x9c000000<IBPB,STIBP,L1DFL,SSBD>
  VT-x: PAT,HLT,MTF,PAUSE,EPT,UG,VPID
  TSC: P-state invariant, performance statistics
real memory  = 34359738368 (32768 MB)
avail memory = 33314013184 (31770 MB)
Event timer "LAPIC" quality 600
ACPI APIC Table: <IBM    THURLEY >
FreeBSD/SMP: Multiprocessor System Detected: 24 CPUs
FreeBSD/SMP: 2 package(s) x 6 core(s) x 2 hardware threads
random: unblocking device.
Firmware Warning (ACPI): 32/64X length mismatch in FADT/Gpe0Block: 128/64
(20221020/tbfadt-748)
Firmware Warning (ACPI): Invalid length for FADT/Pm1aControlBlock: 32, using
default 16 (20221020/tbfadt-850)
ioapic0 <Version 2.0> irqs 0-23
ioapic1 <Version 2.0> irqs 24-47
Launching APs: 1 9 15 4 10 5 22 12 13 17 21 20 7 14 19 18 23 11 2 3 16 6 8
random: entropy device external interface
kbd1 at kbdmux0
vtvga0: <VT VGA driver>
smbios0: <System Management BIOS> at iomem 0xfdf40-0xfdf5e
smbios0: Version: 2.5, BCD Revision: 2.5
aesni0: <AES-CBC,AES-CCM,AES-GCM,AES-ICM,AES-XTS>

[.... some lines left out ....]

isa0: <ISA bus> on isab0
atapci0: <Intel ICH10 SATA300 controller> port
0x4118-0x411f,0x412c-0x412f,0x4110-0x4117,0x4128-0x412b,0x40f0-0x40ff,0x40e0-0x40ef
irq 16 at device 31.2 on pci0
ata2: <ATA channel> at channel 0 on atapci0
ata3: <ATA channel> at channel 1 on atapci0
atapci1: <Intel ICH10 SATA300 controller> port
0x4108-0x410f,0x4124-0x4127,0x4100-0x4107,0x4120-0x4123,0x40d0-0x40df,0x40c0-0x40cf
irq 21 at device 31.5 on pci0
ata4: <ATA channel> at channel 0 on atapci1
ata5: <ATA channel> at channel 1 on atapci1
ns8250: UART FCR is brokene> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
uart0: console (115200,n,8,1)
uart1: <16550 or compatible> port 0x2f8-0x2ff irq 3 on acpi0
orm0: <ISA Option ROM> at iomem 0xc0000-0xc7fff pnpid ORM0000 on isa0
atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
atkbdc0: non-PNP ISA device will be removed from GENERIC in FreeBSD 15.
est0: <Enhanced SpeedStep Frequency Control> on cpu0


Fatal trap 18: integer divide fault while in kernel mode
cpuid = 4; apic id = 04
instruction pointer     = 0x20:0xffffffff80e9c064
stack pointer           = 0x28:0xffffffff82b4ad00
frame pointer           = 0x28:0xffffffff82b4ada0
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags        = interrupt enabled, resume, IOPL = 0
current process         = 0 (swapper)
rdi: 0000000000000000 rsi: 0000000000000000 rdx: 0000000000000000
rcx: 0000000000000000  r8: 0000000000200000  r9: 0000000000000000
rax: 00000000fffffbe0 rbx: 0000000000000000 rbp: ffffffff82b4ada0
r10: 0000000000000000 r11: 3ffffffffffffff8 r12: 00000000fffffc00
r13: 0000000000000000 r14: 0000000000000000 r15: 1ffffffffffffff8
trap number             = 18
panic: integer divide fault
cpuid = 4
time = 1
KDB: stack backtrace:
#0 0xffffffff80b7fefd at kdb_backtrace+0x5d
#1 0xffffffff80b32bd1 at vpanic+0x131
#2 0xffffffff80b32a93 at panic+0x43
#3 0xffffffff8100091b at trap_fatal+0x40b
#4 0xffffffff80fd6d48 at calltrap+0x8
#5 0xffffffff80e9d651 at zone_alloc_item+0x191
#6 0xffffffff80e9cc04 at zone_ctor+0x5a4
#7 0xffffffff80e9d651 at zone_alloc_item+0x191
#8 0xffffffff80e9d2dd at uma_zcreate+0x8d
#9 0xffffffff82140788 at pefs_crypto_init+0x28
#10 0xffffffff821390ef at pefs_init+0xef
#11 0xffffffff80c06eb6 at vfs_modevent+0x3f6
#12 0xffffffff80b0dea5 at module_register_init+0x85
#13 0xffffffff80abb685 at mi_startup+0xb5
#14 0xffffffff8037c023 at btext+0x23
Uptime: 1s
Automatic reboot in 15 seconds - press a key on the console to abort

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