On Mon, Dec 22, 2025 at 11:04:59PM +0100, Alexander Bluhm wrote:
> 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.
And here another one. This time with the fixed pgdemon diff.
pWWpAaaRnniNiccIANGRN:IN pka:G:: e n SrPL ne lp( ia S 0diacnPgx9nLo i:c0 )
:pN NsOTtiOc LTa Os oW so er tEipo n Lp aR l "Oa_pn W on !d=aE n i E
nN Ua RoDL_LE gD"i cO n c: i N e : c O : s t N y : s
cfap aT i l l eR d l A Pv : f il e( p 0 l " / xu E :
s r /X 4 sIr 9 c T ,/s y s
/u v0 m x /upv m4_ p d aa e m o8n . nc " , 2 i bl i ne
0 c 406 :
Stopped at db_enter+0x4: popl %ebp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
220013 45947 21 0x2 0 6 c++
452228 42522 21 0x2 0 7 c++
72558 24400 21 0x2 0 0 c++
459543 53651 21 0x2 0 8 c++
40240 97564 21 0x2 0 4 c++
294279 94254 21 0x2 0 5 c++
71403 35902 21 0x2 0 3 c++
275504 51776 21 0x2 0 2 c++
244310 78087 21 0x2 0 10 c++
321263 38694 21 0x2 0 11 c++
348524 95476 21 0x2 0 9 c++
*458927 44320 0 0x14000 0x200 1K pagedaemon
db_enter() at db_enter+0x4
panic(d0cfd338) at panic+0x7a
__assert(d0d2bbeb,d0cefd75,196,d0cc0ff5) at __assert+0x19
uvmpd_scan_active(0,0,2713c) at uvmpd_scan_active+0x196
uvmpd_scan(0,ffffffcc,2713c) at uvmpd_scan+0x76
uvm_pageout(d80eb4f8) at uvm_pageout+0x29b
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{1}> x/s version
version: OpenBSD 7.8-current (GENERIC.MP) #0: Tue Dec 23 15:54:04 CET
2025\012
[email protected]:/usr/src/sys/arch/i386/compile/GENERIC.MP\012
ddb{1}> show panic
cpu11: pool_do_get: pvpl free list modified: page 0xfc537000; item addr
0xfc537d60; offset 0x0=0x0 != 0x8743300e
cpu10: pool_do_get: pvpl: page empty
cpu9: pool_do_get: pvpl free list modified: page 0xfc537000; item addr
0xfc5371a0; offset 0x8=0xcf7d9000
cpu8: pool_do_get: pvpl free list modified: page 0xfc537000; item addr
0xfc537d60; offset 0x0=0x0 != 0x8743300e
cpu5: pool_do_get: pvpl free list modified: page 0xfc86a000; item addr
0xfc86aa20; offset 0x8=0x286f8000
cpu4: pool_do_get: pvpl: page empty
cpu2: pool_do_get: pvpl free list modified: page 0xfc537000; item addr
0xfc537d60; offset 0x0=0x0 != 0x8743300e
*cpu1: kernel diagnostic assertion "anon != NULL" failed: file
"/usr/src/sys/uvm/uvm_pdaemon.c", line 406
ddb{1}> trace
db_enter() at db_enter+0x4
panic(d0cfd338) at panic+0x7a
__assert(d0d2bbeb,d0cefd75,196,d0cc0ff5) at __assert+0x19
uvmpd_scan_active(0,0,2713c) at uvmpd_scan_active+0x196
uvmpd_scan(0,ffffffcc,2713c) at uvmpd_scan+0x76
uvm_pageout(d80eb4f8) at uvm_pageout+0x29b
ddb{1}> show register
ds 0x10
es 0x10
fs 0x20
gs 0
edi 0xd0cfd338 apollo_udma100_tim+0x103a0
esi 0
ebp 0xf689c30c
ebx 0xf653762c
edx 0x10
ecx 0x33dad0ba
eax 0x6a
eip 0xd03135b4 db_enter+0x4
cs 0x8
eflags 0x202
esp 0xf689c30c
ss 0x10
db_enter+0x4: popl %ebp
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
45947 220013 61931 21 7 0x2 c++
61931 135758 72806 21 3 0x10008a sigsusp sh
42522 452228 20306 21 7 0x2 c++
20306 284608 72806 21 3 0x10008a sigsusp sh
24400 72558 62492 21 7 0x2 c++
62492 117143 72806 21 3 0x10008a sigsusp sh
53651 459543 18869 21 7 0x2 c++
18869 112714 72806 21 3 0x10008a sigsusp sh
97210 159767 84532 21 2 0x2 c++
84532 28719 72806 21 3 0x10008a sigsusp sh
97564 40240 62059 21 7 0x2 c++
62059 346108 72806 21 3 0x10008a sigsusp sh
71260 166789 67614 21 2 0x2 c++
67614 3648 72806 21 3 0x10008a sigsusp sh
94254 294279 73996 21 7 0x2 c++
73996 273312 72806 21 3 0x10008a sigsusp sh
35902 71403 8121 21 7 0x2 c++
51776 275504 85643 21 7 0x2 c++
8121 363650 72806 21 3 0x10008a sigsusp sh
85643 159864 72806 21 3 0x10008a sigsusp sh
78087 244310 97861 21 7 0x2 c++
97861 116627 72806 21 3 0x10008a sigsusp sh
38694 321263 52445 21 7 0x2 c++
52445 407142 72806 21 3 0x10008a sigsusp sh
95476 348524 31426 21 7 0x2 c++
31426 45852 72806 21 3 0x10008a sigsusp sh
72806 249025 11439 21 3 0x10008a sigsusp make
11439 435451 58115 21 3 0x10008a sigsusp sh
58115 116079 68 21 3 0x10008a sigsusp make
68 108910 18031 21 3 0x10008a sigsusp sh
18031 502608 45677 21 3 0x10008a sigsusp make
45677 178278 13278 21 3 0x10008a sigsusp sh
13278 272355 39524 21 3 0x10008a sigsusp make
39524 396894 30254 21 3 0x10008a sigsusp sh
30254 463905 30019 21 3 0x10008a sigsusp make
30019 366301 42240 0 3 0x10008a sigsusp sh
42240 17907 78924 0 3 0x10008a sigsusp make
78924 238904 59634 0 3 0x10008a sigsusp make
59634 33664 74551 0 3 0x10008a sigsusp ksh
74551 61053 43526 0 3 0x98 kqread sshd-session
43526 174212 93566 0 3 0x92 kqread sshd-session
66617 96594 1 0 3 0x100083 ttyin getty
52027 235962 1 0 3 0x100083 ttyin getty
58851 449456 1 0 3 0x100083 ttyin getty
42301 455498 1 0 3 0x100083 ttyin getty
8992 404999 1 0 3 0x100083 ttyin getty
6607 264595 1 0 3 0x100083 ttyin getty
77494 504056 1 0 3 0x100098 kqread cron
97594 88734 1 0 3 0x100080 sbwait nonxt-reflect
25123 508471 1 0 3 0x100080 sbwait nonxt-reflect
20601 22577 1 0 3 0x100080 sbwait nonxt-reflect
40377 474762 1 0 3 0x100080 sbwait nonxt-reflect
20606 488611 1 0 3 0x100080 sbwait nonxt-reflect
92070 373531 1 0 3 0x100080 sbwait nonxt-reflect
89099 84653 1 0 3 0x100080 sbwait nonxt-reflect
75075 40297 1 0 3 0x100080 sbwait nonxt-reflect
244 64628 1 0 3 0x100080 sbwait nonxt-reflect
60486 403238 1 0 3 0x100080 sbwait nonxt-reflect
80709 135834 1 0 3 0x100080 sbwait nonxt-reflect
98453 329149 1 0 3 0x100080 sbwait nonxt-reflect
61133 459655 1 0 3 0x100080 sbwait nonxt-reflect
14711 400995 1 0 3 0x100080 sbwait nonxt-reflect
93504 502785 1 0 3 0x100080 sbwait nonxt-reflect
96884 46450 1 0 3 0x100080 sbwait nonxt-reflect
28514 293501 1 0 3 0x100080 sbwait nonxt-reflect
9224 347367 1 0 3 0x100080 sbwait nonxt-reflect
70726 92026 1 0 3 0x100080 sbwait nonxt-reflect
60288 403387 1 0 3 0x100080 sbwait nonxt-reflect
46280 201394 1 99 3 0x1100090 kqread sndiod
86213 67897 1 110 3 0x100090 kqread sndiod
65494 392683 1 0 3 0x100090 kqread inetd
84102 523547 63281 95 3 0x1100092 kqread smtpd
13384 459533 63281 103 3 0x1100092 kqread smtpd
68157 426420 63281 95 3 0x1100092 kqread smtpd
46061 43168 63281 95 3 0x100092 kqread smtpd
17994 297696 63281 95 3 0x1100092 kqread smtpd
29006 269424 63281 95 3 0x1100092 kqread smtpd
63281 310643 1 0 3 0x100080 kqread smtpd
26654 396190 47991 91 3 0x92 kqread snmpd_metrics
64290 517105 47991 91 3 0x1100092 kqread snmpd
47991 128989 1 0 3 0x100080 kqread snmpd
93566 479694 1 0 3 0x88 kqread sshd
57873 142218 0 0 3 0x14280 nfsidl nfsio
69537 43653 0 0 3 0x14280 nfsidl nfsio
28929 490063 0 0 3 0x14280 nfsidl nfsio
94379 445377 0 0 3 0x14280 nfsidl nfsio
39047 337041 1 0 3 0x100080 kqread ntpd
19505 148733 11001 83 3 0x100092 kqread ntpd
11001 407280 1 83 3 0x1100092 kqread ntpd
49577 289994 28381 73 3 0x1100090 kqread syslogd
28381 458227 1 0 3 0x100082 sbwait syslogd
279 492375 20293 77 3 0x100092 kqread dhcpleased
65550 451142 20293 77 3 0x100092 kqread dhcpleased
20293 374532 1 0 3 0x80 kqread dhcpleased
19184 266591 49052 115 3 0x100092 kqread slaacd
31953 178974 49052 115 3 0x100092 kqread slaacd
49052 245172 1 0 3 0x100080 kqread slaacd
30664 50414 0 0 3 0x14200 bored smr
24875 256224 0 0 3 0x14200 pgzero zerothread
70060 121217 0 0 3 0x14200 aiodoned aiodoned
1590 146718 0 0 3 0x14200 syncer update
94284 196045 0 0 3 0x14200 cleaner cleaner
24852 98122 0 0 3 0x14200 reaper reaper
*44320 458927 0 0 7 0x14200 pagedaemon
80747 298895 0 0 3 0x14200 bored wsdisplay0
54715 262223 0 0 3 0x14200 usbtsk usbtask
73145 294447 0 0 3 0x14200 usbatsk usbatsk
5806 323541 0 0 3 0x14200 bored sensors
97806 68695 0 0 3 0x40014200 acpi0 acpi0
96164 416988 0 0 3 0x40014200 idle11
71336 278462 0 0 3 0x40014200 idle10
84229 409153 0 0 3 0x40014200 idle9
11559 283252 0 0 3 0x40014200 idle8
69857 384603 0 0 3 0x40014200 idle7
73587 471894 0 0 3 0x40014200 idle6
57292 130608 0 0 3 0x40014200 idle5
17787 174810 0 0 3 0x40014200 idle4
72822 157644 0 0 3 0x40014200 idle3
38163 137215 0 0 3 0x40014200 idle2
94354 376076 0 0 3 0x40014200 idle1
97991 170675 0 0 3 0x14200 bored softnet7
60213 174976 0 0 3 0x14200 bored softnet6
55468 503021 0 0 3 0x14200 bored softnet5
10437 72072 0 0 3 0x14200 bored softnet4
10286 145349 0 0 3 0x14200 bored softnet3
53051 90921 0 0 3 0x14200 bored softnet2
96863 111781 0 0 3 0x14200 bored softnet1
50839 488170 0 0 3 0x14200 bored softnet0
85317 324150 0 0 3 0x14200 bored systqmp
6082 301408 0 0 3 0x14200 bored systq
20303 128195 0 0 3 0x14200 tmoslp softclockmp
88523 450892 0 0 3 0x40014200 tmoslp softclock
67509 315754 0 0 3 0x40014200 idle0
13130 304342 0 0 3 0x14200 kmalloc kmthread
1 399470 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show uvm
Current UVM status:
pagesize=4096 (0x1000), pagemask=0xfff, pageshift=12
760398 VM pages: 540260 active, 103016 inactive, 1 wired, 28419 free (26488
zero)
freemin=25346, free-target=33794, inactive-target=212570, wired-max=253466
faults=303781325, traps=306894230, intrs=5154261, ctxswitch=58368115
fpuswitch=472083
softint=4214454, syscalls=284995929, kmapent=15
fault counts:
noram=516329, noanon=0, noamap=0, pgwait=16, pgrele=0
relocks=3041575(10755), upgrades=0(0) anget(retries)=110358549(2089017),
amapcopy=17950172
neighbor anon/obj pg=11722028/156001431, gets(lock/unlock)=55429528/971477
cases: anon=108220592, anoncow=2137117, obj=54322763, prcopy=1087846,
przero=138028027
daemon and swap counts:
woke=148215, revs=147958, scans=19589273, obscans=265202, anscans=11728128
busy=0, freed=2472077, reactivate=7594862, deactivate=17321891
pageouts=7771720, pending=501833, nswget=1902059
nswapdev=1
swpages=849685, swpginuse=9017, swpgonly=8086 paging=0
kernel pointers:
objs(kern)=0xd0f93460
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(d0fb56c0) at __mp_lock+0xa0
_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+0x8d
comcnputc(800,20) at comcnputc+0x85
cnputc(20) at cnputc+0x2b
db_putchar(70) at db_putchar+0x277
kprintf() at kprintf+0xe7d
db_printf(d0cdda33) at db_printf+0x37
panic(d0d259e6) at panic+0x69
pool_do_get(d0f676c0,2,f73bae38) at pool_do_get+0x28b
pool_get(d0f676c0,2) at pool_get+0x92
pmap_enter_pae(f91e2700,cf7db000,b7e9000,3,22) at pmap_enter_pae+0x70
uvm_fault_upper(f73baf20,f73baef4,f73baf7c) at uvm_fault_upper+0x263
uvm_fault(d7a1a448,cf7db000,0,2) at uvm_fault+0xd8
upageflttrap(f73bb030,cf7db58c) at upageflttrap+0x55
trap(f73bb030) 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
i386_bus_space_mem_read_4(f657a000,f0) at i386_bus_space_mem_read_4+0xc
acpihpet_delay(1) at acpihpet_delay+0x8d
comcnputc(800,30) at comcnputc+0x125
cnputc(30) at cnputc+0x2b
kputchar(30,5,0) at kputchar+0xfd
kprintf() at kprintf+0xe7d
printf(d0d3bbf7) at printf+0x38
syscall(f73f44b0) at syscall+0x4fa
Xsyscall_untramp() at Xsyscall_untramp+0xa9
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
i386_bus_space_io_read_1(800,20) at i386_bus_space_io_read_1+0xb
cnputc(20) at cnputc+0x2b
db_putchar(70) at db_putchar+0x277
kprintf() at kprintf+0xe7d
db_printf(d0cdda33) at db_printf+0x37
panic(d0cb17dc) at panic+0x69
pool_do_get(d0f676c0,2,f74215c0) at pool_do_get+0x269
pool_get(d0f676c0,2) at pool_get+0x92
pmap_enter_pae(f91e2380,42fa3000,2470b000,3,21) at pmap_enter_pae+0x70
uvm_fault_lower(f74216b0,f7421684,f74216cc) at uvm_fault_lower+0x202
uvm_fault(f7f0eee4,42fa3000,0,1) at uvm_fault+0x1a1
upageflttrap(f74217c0,42fa3002) at upageflttrap+0x55
trap(f74217c0) at trap+0x1e9
calltrap() at calltrap+0xc
end of kernel
ddb{5}> 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(d0cdda33) at db_printf+0x37
panic(d0cefe7d) at panic+0x69
pool_get_done(d0f676c0,2,f68db2c0) at pool_get_done
pool_get(d0f676c0,2) at pool_get+0x92
pmap_enter_pae(f91e22a0,43e01000,27c4e000,3,22) at pmap_enter_pae+0x70
uvm_fault_lower(f68db3b0,f68db384,f68db3cc) at uvm_fault_lower+0x202
uvm_fault(f7f0e664,43e01000,0,2) at uvm_fault+0x1a1
upageflttrap(f68db4c0,43e01000) at upageflttrap+0x55
trap(f68db4c0) at trap+0x1e9
calltrap() at calltrap+0xc
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
__mp_lock(d0fb56c0) at __mp_lock+0xa0
_kernel_lock() at _kernel_lock+0x32
doopenat(f82d26c0,ffffff9c,cf7c0cac,10000,0,f736b7c8) at doopenat+0x175
sys_open(f82d26c0,f736b7d0,f736b7c8) at sys_open+0x1b
syscall(f736b810) at syscall+0x57b
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
__mp_lock(d0fb56c0) at __mp_lock+0xa0
_kernel_lock() at _kernel_lock+0x32
dofstatat(fc1b4d4c,ffffff9c,cf7cd674,cf7cd5fc,0) at dofstatat+0x73
sys_stat(fc1b4d4c,f7514350,f7514348) at sys_stat+0x17
syscall(f7514390) at syscall+0x57b
Xsyscall_untramp() at Xsyscall_untramp+0xa9
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_io_read_1(800,20) at i386_bus_space_io_read_1+0xb
cnputc(20) at cnputc+0x2b
db_putchar(70) at db_putchar+0x277
kprintf() at kprintf+0xe7d
db_printf(d0cdda33) at db_printf+0x37
panic(d0d259e6) at panic+0x69
pool_do_get(d0f676c0,2,f73d7da0) at pool_do_get+0x28b
pool_get(d0f676c0,2) at pool_get+0x92
pmap_enter_pae(d6bf5c40,43065000,7fc2e000,3,22) at pmap_enter_pae+0x70
uvm_fault_lower(f73d7e90,f73d7e64,f73d7eac) at uvm_fault_lower+0x202
uvm_fault(f7f0e224,43065000,0,2) at uvm_fault+0x1a1
upageflttrap(f73d7fa0,43065000) at upageflttrap+0x55
trap(f73d7fa0) 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
__qdivrem(da7a63,0,f4240) at __qdivrem+0x1a
__udivdi3(da7a63,0) at __udivdi3+0x16
acpihpet_delay(1) at acpihpet_delay+0x5a
comcnputc(800,20) at comcnputc+0x125
cnputc(20) at cnputc+0x2b
db_putchar(70) at db_putchar+0x277
kprintf() at kprintf+0xe7d
db_printf(d0cdda33) at db_printf+0x37
panic(d0cefe7d) at panic+0x69
pool_get_done(d0f676c0,2,f71617c4) at pool_get_done
pool_get(d0f676c0,2) at pool_get+0x92
pmap_enter_pae(d6bf5d20,29cc1000,94955000,3,20) at pmap_enter_pae+0x70
uvm_fault_upper_lookup(f71618b0,f7161884,f716190c,f71618cc) at
uvm_fault_upper_lookup+0x191
uvm_fault(d7a1a998,29cbe000,0,1) at uvm_fault+0x11b
upageflttrap(f71619c0,29cbe4b4) at upageflttrap+0x55
trap(f71619c0) 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_write_1(3f8,0,20) at i386_bus_space_io_write_1+0xe
comcnputc(800,20) at comcnputc+0xb3
cnputc(20) at cnputc+0x2b
db_putchar(70) at db_putchar+0x277
kprintf() at kprintf+0xe7d
db_printf(d0cdda33) at db_printf+0x37
panic(d0cb17dc) at panic+0x69
pool_do_get(d0f676c0,2,f7414ee4) at pool_do_get+0x269
pool_get(d0f676c0,2) at pool_get+0x92
pmap_enter_pae(f91e2620,54278000,79c8b000,3,20) at pmap_enter_pae+0x70
uvm_fault_upper_lookup(f7414fd0,f7414fa4,f741502c,f7414fec) at
uvm_fault_upper_lookup+0x191
uvm_fault(d7a1abb8,5427a000,0,1) at uvm_fault+0x11b
upageflttrap(f74150e0,5427a7e4) at upageflttrap+0x55
trap(f74150e0) 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
i386_bus_space_io_write_1(3f8,0,20) at i386_bus_space_io_write_1+0xe
comcnputc(800,20) at comcnputc+0xb3
cnputc(20) at cnputc+0x2b
db_putchar(70) at db_putchar+0x237
kprintf() at kprintf+0xe7d
db_printf(d0cdda33) at db_printf+0x37
panic(d0d259e6) at panic+0x69
pool_do_get(d0f676c0,2,d6be41b4) at pool_do_get+0x28b
pool_get(d0f676c0,2) at pool_get+0x92
pmap_enter_pae(d6bf5000,38347000,ae232000,3,20) at pmap_enter_pae+0x70
uvm_fault_upper_lookup(d6be42a0,d6be4274,d6be42fc,d6be42bc) at
uvm_fault_upper_lookup+0x191
uvm_fault(d7a1a778,3834a000,0,1) at uvm_fault+0x11b
upageflttrap(d6be43b0,3834a178) at upageflttrap+0x55
trap(d6be43b0) at trap+0x1e9
calltrap() at calltrap+0xc
end of kernel
