https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=244168
Bug ID: 244168
Summary: [i386]
sys.net.if_lagg_test.lacp_linkstate_destroy_stress
panics kernel
Product: Base System
Version: CURRENT
Hardware: i386
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: tests
Assignee: testing at freebsd.org
Reporter: lwhsu at FreeBSD.org
sys.net.if_lagg_test.lacp_linkstate_destroy_stress panics i386 kernel
https://ci.freebsd.org/job/FreeBSD-head-i386-test/8445/consoleFull
if_lagg_test:lacp_linkstate_destroy_stress -> panic: vm_fault_lookup: fault
on nofault entry, addr: 0
[1742/1858]cpuid = 5
time = 1581628143
KDB: stack backtrace:
db_trace_self_wrapper(69,198e3e00,14f9e44,198e3e00,d8c6ff4,...) at
db_trace_self_wrapper+0x2a/frame 0xd8c6fc0
kdb_backtrace(ffdf,8bc7000,8be2000,8be2018,18c7198,...) at
kdb_backtrace+0x2e/frame 0xd8c7020
vpanic(14f9e44,d8c7068,d8c7068,d8c7138,12c8fbc,...) at
vpanic+0x11f/frame 0xd8c7048
panic(14f9e44,14dc991,0,2,0,...) at panic+0x14/frame 0xd8c705c
vm_fault(8bc7000,0,1,0,0) at vm_fault+0x1c9c/frame 0xd8c7138
vm_fault_trap(8bc7000,4,1,0,0,0) at vm_fault_trap+0x52/frame 0xd8c7160
trap_pfault(4,0,0) at trap_pfault+0x161/frame 0xd8c71b4
trap(d8c728c,8,28,28,7d3,...) at trap+0x3a8/frame 0xd8c7280
calltrap() at 0xffc0316f/frame 0xd8c7280
--- trap 0xc, eip = 0x10316ea, esp = 0xd8c72cc, ebp = 0xd8c72fc ---
witness_checkorder(1ba15e30,9,2489d2d7,7d3,0) at witness_checkorder+0x5a/frame
0xd8c72fc
_sx_xlock(1ba15e30,0,2489d2d7,7d3,2696b000,...) at _sx_xlock+0x4d/frame
0xd8c7324
lagg_port_state(2696b000,1) at lagg_port_state+0x2f/frame 0xd8c7348
do_link_state_change(2696b000,1) at do_link_state_change+0xb4/frame 0xd8c7370
taskqueue_run_locked(b8abe00,0,d8c73e4,1027b5e,bd55000,...) at
taskqueue_run_locked+0x97/frame 0xd8c73c8
taskqueue_run(bd55000) at taskqueue_run+0x44/frame 0xd8c73d8
taskqueue_swi_run(0) at taskqueue_swi_run+0xe/frame 0xd8c73e4
ithread_loop(196abfa0,d8c7468) at ithread_loop+0x283/frame 0xd8c7434
fork_exit(f985c0,196abfa0,d8c7468,0,0,...) at fork_exit+0x69/frame 0xd8c7454
fork_trampoline() at 0xffc033de/frame 0xd8c7454
--- kthread start
KDB: enter: panic
[
thread pid 12 tid 100025 ]
Stopped at kdb_enter+0x35: movl $0,kdb_why
db:0:kdb.enter.panic> show pcpu
cpuid = 5
dynamic pcpu = 0x9db3180
curthread = 0x1962d180: pid 12 tid 100025 critnest 1 "swi6: task queue"
curpcb = 0xd8c74c0
fpcurthread = none
idlethread = 0x19619c00: tid 100008 "idle: cpu5"
APIC ID = 5
currentldt = 0x50
trampstk = 0xffc12ff0
kesp0 = 0xd8c74b0
common_tssp = 0xffc01b88
tlb gen = 186060
curvnet = 0xbd06000
spin locks held:
db:0:kdb.enter.panic>
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