On Mon, Dec 15, 2025 at 06:15:35PM +0100, Alexander Bluhm wrote:
> On Mon, Dec 15, 2025 at 02:18:45PM +0100, Martin Pieuchot wrote:
> > Thanks for the report. Is your machine still in ddb? We're missing the
> > trace of the CPU1 which is the one that paniced. Would you please get it?
It happend again. This time with trace of all CPUs. Note that I
did a make build with a kernel where I applied the "Make pdaemon
understandable" diff before.
pWaAnRicN:I NkGe:r nSePlL d(i0axg9n0o)s tNiOcT aLsOWsEeRErDt OiNo syns
c"aalnlo(n0 x!4=9 ,N 0Ux6L3Lb"1 4f0a0i0l,e d0:x 2f0ipppap0pnil0aan0acpi:apcan ,
:a nn0eiin pxo fo n ila_ic fdifc: c c:oe : d_: 4 c c. ge. t . ) : :
E pXv I T , p p P IlD o : p a go e 8 9 0 e 9mpty
l 7
Stopped at db_enter+0x4: popl %ebp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
436454 39559 21 0x2 0 11 c++
520436 40215 21 0x2 0 4 c++
374399 29786 21 0x2 0 2 c++
314042 66229 21 0x2 0 10 c++
503681 87635 21 0x2 0 7 c++
226087 89097 21 0x2 0 6 c++
20781 25762 21 0x2 0 9 c++
67853 75895 21 0x2 0 8 c++
21242 60072 21 0x2 0 3 c++
*421677 12934 21 0x2 0 5 c++
141559 72346 21 0x2 0 0 c++
248082 66301 0 0x14000 0x200 1K pagedaemon
db_enter() at db_enter+0x4
panic(d0cb1971) at panic+0x7a
pool_do_get(d0f65ac0,2,f7577528) at pool_do_get+0x269
pool_get(d0f65ac0,2) at pool_get+0x92
pmap_enter_pae(f8317000,4b6c8000,92df000,3,21) at pmap_enter_pae+0x70
uvm_fault_upper(f7577610,f75775e4,f757766c) at uvm_fault_upper+0x263
uvm_fault(f7d52010,4b6c8000,0,1) at uvm_fault+0xd8
upageflttrap(f7577720,4b6c8828) at upageflttrap+0x55
trap(f7577720) at trap+0x1e9
calltrap() at calltrap+0xc
end of kernel
https://www.openbsd.org/ddb.html describes the minimum info required in bug
reports. Insufficient info makes it difficult to find and fix bugs.
ddb{5}>
ddb{5}> x/s version
version: OpenBSD 7.8-current (GENERIC.MP) #0: Mon Dec 22 14:05:33 CET
2025\012
[email protected]:/usr/src/sys/arch/i386/compile/GENERIC.MP\012
ddb{5}> show panic
cpu10: pool_do_get: pvpl: page empty
cpu9: pool_do_get: pvpl: page empty
cpu8: pool_do_get: pvpl: page empty
cpu7: pool_do_get: pvpl: page empty
cpu5: pool_do_get: pvpl: page empty
cpu3: pool_do_get: pvpl: page empty
cpu2: pool_do_get: pvpl: page empty
*cpu1: kernel diagnostic assertion "anon != NULL" failed: file
"/usr/src/sys/uvm/uvm_pdaemon.c", line 406
ddb{5}> trace
db_enter() at db_enter+0x4
panic(d0cb1971) at panic+0x7a
pool_do_get(d0f65ac0,2,f7577528) at pool_do_get+0x269
pool_get(d0f65ac0,2) at pool_get+0x92
pmap_enter_pae(f8317000,4b6c8000,92df000,3,21) at pmap_enter_pae+0x70
uvm_fault_upper(f7577610,f75775e4,f757766c) at uvm_fault_upper+0x263
uvm_fault(f7d52010,4b6c8000,0,1) at uvm_fault+0xd8
upageflttrap(f7577720,4b6c8828) at upageflttrap+0x55
trap(f7577720) at trap+0x1e9
calltrap() at calltrap+0xc
end of kernel
ddb{5}> show register
ds 0x10
es 0x10
fs 0x20
gs 0
edi 0xd0cb1971 isapnp_id_to_vendor.hex+0xf768
esi 0xf653762c
ebp 0xf7577484
ebx 0xf654f62c
edx 0x10
ecx 0x445da501
eax 0x25
eip 0xd07f6054 db_enter+0x4
cs 0x8
eflags 0x202
esp 0xf7577484
ss 0x10
db_enter+0x4: popl %ebp
ddb{5}> show uvm
Current UVM status:
pagesize=4096 (0x1000), pagemask=0xfff, pageshift=12
760400 VM pages: 483952 active, 145365 inactive, 1 wired, 20459 free (16953
zero)
freemin=25346, free-target=33794, inactive-target=210538, wired-max=253466
faults=325385705, traps=328629516, intrs=5509874, ctxswitch=60174994
fpuswitch=483695
softint=4765836, syscalls=302970262, kmapent=17
fault counts:
noram=493083, noanon=0, noamap=0, pgwait=8, pgrele=0
relocks=3082723(11100), upgrades=0(0) anget(retries)=114190827(2309939),
amapcopy=19581571
neighbor anon/obj pg=11567576/162451344, gets(lock/unlock)=57499532/793122
cases: anon=111966546, anoncow=2223295, obj=56350293, prcopy=1128901,
przero=153716898
daemon and swap counts:
woke=149694, revs=149511, scans=36691207, obscans=225809, anscans=20693968
busy=0, freed=2581661, reactivate=15732044, deactivate=25383943
pageouts=25766011, pending=633525, nswget=1989324
nswapdev=1
swpages=849685, swpginuse=9164, swpgonly=8185 paging=0
kernel pointers:
objs(kern)=0xd0f65f38
ddb{5}> mach ddbcpu 1
Stopped at db_enter+0x4: popl %ebp
db_enter() at db_enter+0x4
i386_ipi_handler() at i386_ipi_handler+0x3f
Xipi_untramp() at Xipi_untramp+0xc2
i386_bus_space_io_read_1(800,20) at i386_bus_space_io_read_1+0xb
cnputc(20) at cnputc+0x2b
db_putchar(22) at db_putchar+0x277
kprintf() at kprintf+0xe7d
db_printf(d0cd81c9) at db_printf+0x37
panic(d0cf7ff9) at panic+0x69
__assert(d0d2b502,d0cf2489,196,d0cc361b) at __assert+0x19
uvmpd_scan_active(0,0,80d4) at uvmpd_scan_active+0x196
uvmpd_scan(0,ffffc2f9,80d4) at uvmpd_scan+0x76
uvm_pageout(d80e94f8) at uvm_pageout+0x29b
ddb{1}> trace
db_enter() at db_enter+0x4
i386_ipi_handler() at i386_ipi_handler+0x3f
Xipi_untramp() at Xipi_untramp+0xc2
i386_bus_space_io_read_1(800,20) at i386_bus_space_io_read_1+0xb
cnputc(20) at cnputc+0x2b
db_putchar(22) at db_putchar+0x277
kprintf() at kprintf+0xe7d
db_printf(d0cd81c9) at db_printf+0x37
panic(d0cf7ff9) at panic+0x69
__assert(d0d2b502,d0cf2489,196,d0cc361b) at __assert+0x19
uvmpd_scan_active(0,0,80d4) at uvmpd_scan_active+0x196
uvmpd_scan(0,ffffc2f9,80d4) at uvmpd_scan+0x76
uvm_pageout(d80e94f8) at uvm_pageout+0x29b
ddb{1}> show register
ds 0x10
es 0x10
fs 0x20
gs 0
edi 0
esi 0xf6536ff8
ebp 0xf689cc18
ebx 0x6
edx 0x3fd
ecx 0x6
eax 0xd05b1ed0 i386_ipi_db
eip 0xd07f6054 db_enter+0x4
cs 0x50
eflags 0x246
esp 0xf689cc18
ss 0x10
db_enter+0x4: popl %ebp
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
39559 436454 34072 21 7 0x2 c++
34072 417902 20429 21 3 0x10008a sigsusp sh
40215 520436 24451 21 7 0x2 c++
24451 339014 20429 21 3 0x10008a sigsusp sh
54462 151498 14679 21 2 0x2 c++
14679 17397 20429 21 3 0x10008a sigsusp sh
29786 374399 80224 21 7 0x2 c++
80224 25427 20429 21 3 0x10008a sigsusp sh
66229 314042 97756 21 7 0x2 c++
97756 477440 20429 21 3 0x10008a sigsusp sh
26204 103818 74691 21 2 0x2 c++
74691 224367 20429 21 3 0x10008a sigsusp sh
87635 503681 84409 21 7 0x2 c++
84409 375421 20429 21 3 0x10008a sigsusp sh
89097 226087 11230 21 7 0x2 c++
25762 20781 96275 21 7 0x2 c++
11230 455993 20429 21 3 0x10008a sigsusp sh
96275 505063 20429 21 3 0x10008a sigsusp sh
75895 67853 28393 21 7 0x2 c++
28393 182073 20429 21 3 0x10008a sigsusp sh
60072 21242 3019 21 7 0x2 c++
3019 336342 20429 21 3 0x10008a sigsusp sh
12934 421677 76219 21 7 0x2 c++
76219 39202 20429 21 3 0x10008a sigsusp sh
72346 141559 50090 21 7 0x2 c++
50090 482315 20429 21 3 0x10008a sigsusp sh
20429 200359 40465 21 3 0x10008a sigsusp make
40465 408991 77674 21 3 0x10008a sigsusp sh
77674 472914 41734 21 3 0x10008a sigsusp make
41734 54462 80828 21 3 0x10008a sigsusp sh
80828 128278 88963 21 3 0x10008a sigsusp make
88963 499191 757 21 3 0x10008a sigsusp sh
757 387158 73367 21 3 0x10008a sigsusp make
73367 33916 14173 21 3 0x10008a sigsusp sh
14173 234601 98374 21 3 0x10008a sigsusp make
98374 489065 88077 0 3 0x10008a sigsusp sh
88077 90983 11273 0 3 0x10008a sigsusp make
11273 172059 99840 0 3 0x10008a sigsusp make
99840 257631 90055 0 3 0x10008a sigsusp ksh
90055 219147 88336 0 3 0x98 kqread sshd-session
88336 6716 63399 0 3 0x92 kqread sshd-session
18708 318393 1 0 3 0x100083 ttyin getty
34605 248678 1 0 3 0x100083 ttyin getty
28897 190856 1 0 3 0x100083 ttyin getty
32871 57773 1 0 3 0x100083 ttyin getty
98637 404512 1 0 3 0x100083 ttyin getty
63523 98457 1 0 3 0x100083 ttyin getty
15782 278818 1 0 3 0x100098 kqread cron
90943 274934 1 0 3 0x100080 sbwait nonxt-reflect
1221 365267 1 0 3 0x100080 sbwait nonxt-reflect
92153 488813 1 0 3 0x100080 sbwait nonxt-reflect
59954 421534 1 0 3 0x100080 sbwait nonxt-reflect
80124 83003 1 0 3 0x100080 sbwait nonxt-reflect
13086 300261 1 0 3 0x100080 sbwait nonxt-reflect
40990 506286 1 0 3 0x100080 sbwait nonxt-reflect
64308 204402 1 0 3 0x100080 sbwait nonxt-reflect
34571 125935 1 0 3 0x100080 sbwait nonxt-reflect
13741 349417 1 0 3 0x100080 sbwait nonxt-reflect
92004 405655 1 0 3 0x100080 sbwait nonxt-reflect
93534 463741 1 0 3 0x100080 sbwait nonxt-reflect
34235 2063 1 0 3 0x100080 sbwait nonxt-reflect
61712 405633 1 0 3 0x100080 sbwait nonxt-reflect
67593 223989 1 0 3 0x100080 sbwait nonxt-reflect
28931 232251 1 0 3 0x100080 sbwait nonxt-reflect
63394 208317 1 0 3 0x100080 sbwait nonxt-reflect
44821 435938 1 0 3 0x100080 sbwait nonxt-reflect
79125 393918 1 0 3 0x100080 sbwait nonxt-reflect
53838 9734 1 0 3 0x100080 sbwait nonxt-reflect
17898 455516 1 99 3 0x1100090 kqread sndiod
35737 364865 1 110 3 0x100090 kqread sndiod
16719 114200 1 0 3 0x100090 kqread inetd
32064 428028 3297 95 3 0x1100092 kqread smtpd
77075 379270 3297 103 3 0x1100092 kqread smtpd
91352 516947 3297 95 3 0x1100092 kqread smtpd
71599 233442 3297 95 3 0x100092 kqread smtpd
79386 337105 3297 95 3 0x1100092 kqread smtpd
29825 269287 3297 95 3 0x1100092 kqread smtpd
3297 47079 1 0 3 0x100080 kqread smtpd
36423 23287 10869 91 3 0x92 kqread snmpd_metrics
99587 213427 10869 91 3 0x1100092 kqread snmpd
10869 231995 1 0 3 0x100080 kqread snmpd
63399 275402 1 0 3 0x88 kqread sshd
38318 118017 0 0 3 0x14280 nfsidl nfsio
43159 97549 0 0 3 0x14280 nfsidl nfsio
24132 518193 0 0 3 0x14280 nfsidl nfsio
20593 447701 0 0 3 0x14280 nfsidl nfsio
67784 50599 1 0 3 0x100080 kqread ntpd
4693 499577 82577 83 3 0x100092 kqread ntpd
82577 322003 1 83 3 0x1100092 kqread ntpd
93191 98873 29417 73 3 0x1100090 kqread syslogd
29417 20990 1 0 3 0x100082 sbwait syslogd
17495 346845 29049 77 3 0x100092 kqread dhcpleased
29550 132274 29049 77 3 0x100092 kqread dhcpleased
29049 351409 1 0 3 0x80 kqread dhcpleased
315 293861 95189 115 3 0x100092 kqread slaacd
29597 447696 95189 115 3 0x100092 kqread slaacd
95189 471067 1 0 3 0x100080 kqread slaacd
86457 106242 0 0 3 0x14200 bored smr
49176 360563 0 0 3 0x14200 pgzero zerothread
85955 200259 0 0 3 0x14200 aiodoned aiodoned
92783 251673 0 0 3 0x14200 syncer update
54845 144131 0 0 3 0x14200 cleaner cleaner
21199 211991 0 0 3 0x14200 reaper reaper
*66301 248082 0 0 7 0x14200 pagedaemon
27449 403598 0 0 3 0x14200 bored wsdisplay0
40933 231870 0 0 3 0x14200 usbtsk usbtask
78742 41431 0 0 3 0x14200 usbatsk usbatsk
18894 372979 0 0 3 0x14200 bored sensors
87942 462725 0 0 3 0x40014200 acpi0 acpi0
19814 504595 0 0 3 0x40014200 idle11
3874 503302 0 0 3 0x40014200 idle10
53822 305305 0 0 3 0x40014200 idle9
74004 377685 0 0 3 0x40014200 idle8
62786 42869 0 0 3 0x40014200 idle7
98367 467354 0 0 3 0x40014200 idle6
59782 423320 0 0 3 0x40014200 idle5
89700 2419 0 0 3 0x40014200 idle4
97572 318600 0 0 3 0x40014200 idle3
91123 134027 0 0 3 0x40014200 idle2
66931 465539 0 0 3 0x40014200 idle1
54793 492172 0 0 3 0x14200 bored softnet7
35919 464061 0 0 3 0x14200 bored softnet6
63633 318605 0 0 3 0x14200 bored softnet5
86441 355905 0 0 3 0x14200 bored softnet4
33650 82089 0 0 3 0x14200 bored softnet3
2963 108619 0 0 3 0x14200 bored softnet2
83060 256882 0 0 3 0x14200 bored softnet1
82743 284875 0 0 3 0x14200 bored softnet0
29239 46190 0 0 3 0x14200 bored systqmp
86306 467826 0 0 3 0x14200 bored systq
64852 163486 0 0 3 0x14200 tmoslp softclockmp
7056 376081 0 0 3 0x40014200 tmoslp softclock
77594 103548 0 0 3 0x40014200 idle0
28644 341426 0 0 3 0x14200 kmalloc kmthread
1 36845 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
And here the traces of all other CPU.
ddb{0}> trace
db_enter() at db_enter+0x4
i386_ipi_handler() at i386_ipi_handler+0x3f
Xipi_untramp() at Xipi_untramp+0xc2
__mp_lock(d1031480) at __mp_lock+0x9a
_kernel_lock() at _kernel_lock+0x32
softintr_dispatch(0) at softintr_dispatch+0xb7
Xsoftclock() at Xsoftclock+0x12
end of kernel
ddb{2}> trace
db_enter() at db_enter+0x4
i386_ipi_handler() at i386_ipi_handler+0x3f
Xipi_untramp() at Xipi_untramp+0xc2
i386_bus_space_mem_read_4(f657a000,f0) at i386_bus_space_mem_read_4+0xc
acpihpet_delay(1) at acpihpet_delay+0x2d
comcnputc(800,20) at comcnputc+0x85
cnputc(20) at cnputc+0x2b
db_putchar(70) at db_putchar+0x277
kprintf() at kprintf+0xe7d
db_printf(d0cd81c9) at db_printf+0x37
panic(d0cb1971) at panic+0x69
pool_do_get(d0f65ac0,2,f787e3b0) at pool_do_get+0x269
pool_get(d0f65ac0,2) at pool_get+0x92
pmap_enter_pae(f7ed5d20,3721b000,87b23000,3,22) at pmap_enter_pae+0x70
uvm_fault_lower(f787e4a0,f787e474,f787e4bc) at uvm_fault_lower+0x202
uvm_fault(f7d52340,3721b000,0,2) at uvm_fault+0x1a1
upageflttrap(f787e5b0,3721b000) at upageflttrap+0x55
trap(f787e5b0) at trap+0x1e9
calltrap() at calltrap+0xc
end of kernel
ddb{3}> trace
db_enter() at db_enter+0x4
i386_ipi_handler() at i386_ipi_handler+0x3f
Xipi_untramp() at Xipi_untramp+0xc2
comcnputc(800,20) at comcnputc+0x92
cnputc(20) at cnputc+0x2b
db_putchar(70) at db_putchar+0x277
kprintf() at kprintf+0xe7d
db_printf(d0cd81c9) at db_printf+0x37
panic(d0cb1971) at panic+0x69
pool_do_get(d0f65ac0,2,f75c9250) at pool_do_get+0x269
pool_get(d0f65ac0,2) at pool_get+0x92
pmap_enter_pae(f8317c40,40094000,83bd8000,3,22) at pmap_enter_pae+0x70
uvm_fault_lower(f75c9340,f75c9314,f75c935c) at uvm_fault_lower+0x202
uvm_fault(f7d52ef0,40094000,0,2) at uvm_fault+0x1a1
upageflttrap(f75c9450,40094000) at upageflttrap+0x55
trap(f75c9450) at trap+0x1e9
calltrap() at calltrap+0xc
end of kernel
ddb{4}> trace
db_enter() at db_enter+0x4
i386_ipi_handler() at i386_ipi_handler+0x3f
Xipi_untramp() at Xipi_untramp+0xc2
__mp_lock(d1031480) at __mp_lock+0xa0
_kernel_lock() at _kernel_lock+0x32
doopenat(f73fe774,ffffff9c,cf7e9e04,10000,0,f75d9b98) at doopenat+0x175
sys_open(f73fe774,f75d9ba0,f75d9b98) at sys_open+0x1b
syscall(f75d9be0) at syscall+0x57b
Xsyscall_untramp() at Xsyscall_untramp+0xa9
end of kernel
ddb{6}> trace
db_enter() at db_enter+0x4
i386_ipi_handler() at i386_ipi_handler+0x3f
Xipi_untramp() at Xipi_untramp+0xc2
i386_bus_space_io_write_1(3f8,0,a) at i386_bus_space_io_write_1+0xe
comcnputc(800,a) at comcnputc+0xb3
cnputc(a) at cnputc+0x2b
kputchar(a,5,0) at kputchar+0xfd
kprintf() at kprintf+0xdd
printf(d0d3f091) at printf+0x38
syscall(f759aae0) at syscall+0x4fa
Xsyscall_untramp() at Xsyscall_untramp+0xa9
end of kernel
ddb{7}> trace
db_enter() at db_enter+0x4
i386_ipi_handler() at i386_ipi_handler+0x3f
Xipi_untramp() at Xipi_untramp+0xc2
i386_bus_space_mem_read_4(f657a000,f0) at i386_bus_space_mem_read_4+0xc
acpihpet_delay(1) at acpihpet_delay+0x8d
comcnputc(800,6c) at comcnputc+0x125
cnputc(6c) at cnputc+0x2b
db_putchar(6c) at db_putchar+0x2c9
kprintf() at kprintf+0xe7d
db_printf(d0cd81c9) at db_printf+0x37
panic(d0cb1971) at panic+0x69
pool_do_get(d0f65ac0,2,f774bf74) at pool_do_get+0x269
pool_get(d0f65ac0,2) at pool_get+0x92
pmap_enter_pae(f7ed58c0,4d6ed000,99144000,3,20) at pmap_enter_pae+0x70
uvm_fault_upper_lookup(f774c060,f774c034,f774c0bc,f774c07c) at
uvm_fault_upper_lookup+0x191
uvm_fault(f78ac440,4d6ee000,0,1) at uvm_fault+0x11b
upageflttrap(f774c170,4d6eea68) at upageflttrap+0x55
trap(f774c170) at trap+0x1e9
calltrap() at calltrap+0xc
end of kernel
ddb{8}> trace
db_enter() at db_enter+0x4
i386_ipi_handler() at i386_ipi_handler+0x3f
Xipi_untramp() at Xipi_untramp+0xc2
i386_bus_space_mem_read_4(f657a000,f0) at i386_bus_space_mem_read_4+0xc
acpihpet_delay(1) at acpihpet_delay+0x8d
comcnputc(800,20) at comcnputc+0x125
cnputc(20) at cnputc+0x2b
db_putchar(70) at db_putchar+0x277
kprintf() at kprintf+0xe7d
db_printf(d0cd81c9) at db_printf+0x37
panic(d0cb1971) at panic+0x69
pool_do_get(d0f65ac0,2,f74e7e40) at pool_do_get+0x269
pool_get(d0f65ac0,2) at pool_get+0x92
pmap_enter_pae(f83179a0,2e7f8000,7d90e000,3,22) at pmap_enter_pae+0x70
uvm_fault_lower(f74e7f30,f74e7f04,f74e7f4c) at uvm_fault_lower+0x202
uvm_fault(f7d52de0,2e7f8000,0,2) at uvm_fault+0x1a1
upageflttrap(f74e8040,2e7f8000) at upageflttrap+0x55
trap(f74e8040) at trap+0x1e9
calltrap() at calltrap+0xc
end of kernel
ddb{9}> trace
db_enter() at db_enter+0x4
i386_ipi_handler() at i386_ipi_handler+0x3f
Xipi_untramp() at Xipi_untramp+0xc2
i386_bus_space_io_read_1(3f8,5) at i386_bus_space_io_read_1+0xa
comcnputc(800,20) at comcnputc+0x6e
cnputc(20) at cnputc+0x2b
db_putchar(70) at db_putchar+0x277
kprintf() at kprintf+0xe7d
db_printf(d0cd81c9) at db_printf+0x37
panic(d0cb1971) at panic+0x69
pool_do_get(d0f65ac0,2,f74e2724) at pool_do_get+0x269
pool_get(d0f65ac0,2) at pool_get+0x92
pmap_enter_pae(f7ed5620,33fa8000,b3ab000,3,20) at pmap_enter_pae+0x70
uvm_fault_upper_lookup(f74e2810,f74e27e4,f74e286c,f74e282c) at
uvm_fault_upper_lookup+0x191
uvm_fault(f78accc0,33fab000,0,1) at uvm_fault+0x11b
upageflttrap(f74e2920,33fabaf4) at upageflttrap+0x55
trap(f74e2920) at trap+0x1e9
calltrap() at calltrap+0xc
end of kernel
ddb{10}> trace
db_enter() at db_enter+0x4
i386_ipi_handler() at i386_ipi_handler+0x3f
Xipi_untramp() at Xipi_untramp+0xc2
i386_bus_space_io_read_1(3f8,5) at i386_bus_space_io_read_1+0xa
comcnputc(800,20) at comcnputc+0x10e
cnputc(20) at cnputc+0x2b
db_putchar(70) at db_putchar+0x277
kprintf() at kprintf+0xe7d
db_printf(d0cd81c9) at db_printf+0x37
panic(d0cb1971) at panic+0x69
pool_do_get(d0f65ac0,2,f7718500) at pool_do_get+0x269
pool_get(d0f65ac0,2) at pool_get+0x92
pmap_enter_pae(f7ed59a0,62bb8000,147ed000,3,22) at pmap_enter_pae+0x70
uvm_fault_lower(f77185f0,f77185c4,f771860c) at uvm_fault_lower+0x202
uvm_fault(f7d52cd0,62bb8000,0,2) at uvm_fault+0x1a1
upageflttrap(f7718700,62bb8000) at upageflttrap+0x55
trap(f7718700) at trap+0x1e9
calltrap() at calltrap+0xc
end of kernel
ddb{11}> trace
db_enter() at db_enter+0x4
i386_ipi_handler() at i386_ipi_handler+0x3f
Xipi_untramp() at Xipi_untramp+0xc2
__mp_lock(d1031480) at __mp_lock+0xa0
_kernel_lock() at _kernel_lock+0x32
vn_statfile(f7ac80c8,f746d788,f74705e4) at vn_statfile+0x17
sys_fstat(f74705e4,f746d860,f746d858) at sys_fstat+0x65
syscall(f746d8a0) at syscall+0x57b
Xsyscall_untramp() at Xsyscall_untramp+0xa9
end of kernel