https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=203820
Bug ID: 203820
Summary: kernel panic when trying to unload vmm(4)
Product: Base System
Version: 10.2-RELEASE
Hardware: amd64
OS: Any
Status: New
Severity: Affects Some People
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
Executing:
# kldunload vmm
issues kernel panic with the message:
panic: general protection fault
Fatal trap 9: general protection fault while in kernel mode
cpuid = 2; instruction pointer = 0x20:0xffffffff821f542b
instruction pointer = 0x20:0xffffffff821f542b
stack pointer = 0x28:0xfffffe082cdb6800
stack pointer = 0x28:0xfffffe082cdb1800
frame pointer = 0x28:0xfffffe082cdb6830
frame pointer = 0x28:0xfffffe082cdb1830
code segment = base 0x0, limit 0xfffff, type 0x1b
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, long 1, def32 0, gran 1
= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags = processor eflags = resume, resume, IOPL = 0
IOPL = 0
current process = 11 (idle: cpu7)
current process = 11 (idle: cpu6)
trap number = 9
trap number = 9
panic: general protection fault
cpuid = 7
KDB: stack backtrace:
#0 0xffffffff80996d90 at kdb_backtrace+0x60
#1 0xffffffff8095a946 at vpanic+0x126
#2 0xffffffff8095a813 at panic+0x43
#3 0xffffffff80d98b1b at trap_fatal+0x36b
#4 0xffffffff80d9879c at trap+0x75c
#5 0xffffffff80d7e832 at calltrap+0x8
#6 0xffffffff809a372c at smp_rendezvous_action+0xbc
#7 0xffffffff80d7fc49 at Xrendezvous+0x89
#8 0xffffffff8037de1a at acpi_cpu_idle+0x15a
#9 0xffffffff80d8238f at cpu_idle_acpi+0x3f
#10 0xffffffff80d82430 at cpu_idle+0x90
#11 0xffffffff809872e5 at sched_idletd+0x1d5
#12 0xffffffff809243aa at fork_exit+0x9a
#13 0xffffffff80d7ed6e at fork_trampoline+0xe
Uptime: 12h9m9s
No bhyve VM is running nor defined on the system.
FreeBSD version: 10.2-RELEASE-p5 r289315 (svn)
Custom kernel, diff between GENERIC and mine:
(/usr/src/sys/amd64/conf)# diff GENERIC TRIVEVERKY
22c22
< ident GENERIC
---
> ident TRIVEVERKY
366a367,390
>
>
> ###
> # custom add ons
>
> # AES support
> device crypto
> device cryptodev
> device aesni
>
> # PF
> device pf
> device pflog
> device pfsync
> options ALTQ
> options ALTQ_CBQ # Class Bases Queuing (CBQ)
> options ALTQ_RED # Random Early Detection (RED)
> options ALTQ_RIO # RED In/Out
> options ALTQ_HFSC # Hierarchical Packet Scheduler (HFSC)
> options ALTQ_PRIQ # Priority Queuing (PRIQ)
> options ALTQ_NOPCC # Required for SMP build
>
> # CPU temp
> device coretemp
(/usr/src/sys/amd64/conf)#
Dump is available.
Can be reproduced with:
# kldload vmm
# kldunload vmm
/etc/make.conf
STRIP=
CFLAGS+=-fno-omit-frame-pointer
NO_PROFILE=true
WITHOUT_X=yes
WITH_X=NO
ENABLE_GUI=NO
OPTIONS_UNSET=X11
WITH_PKGNG=yes
DEFAULT_VERSIONS+=perl5=5.20
/boot/loader.conf
zfs_load=YES
vfs.root.mountfrom="zfs:rpool/ROOT/10.2"
dtraceall_load=YES
boot_multicons="YES"
console="vidconsole,comconsole"
comconsole_speed="115200"
loader_logo="beastiebw"
Hardware:
motherboard: S1200BTS
CPU: Intel(R) Xeon(R) CPU E3-1240 V2 @ 3.40GHz
RAM: 32GB ECC KVR16E11/8I
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