The hardware is an EdgeRouter PoE and the crash can be triggered
consistently with the following (or possibly any other ipv4 address)
line in ksh for cnmac2. cnmac0 and cmnac1 seem unable to cause the
crash. cnmac3 is not found.
# ifconfig cnmac2 inet 192.168.1.10 netmask 255.255.255.0
Trap cause = 13 Frame 0x980000000b24b9d8
Trap PC 0xffffffff8124d504 RA 0xffffffff8124d434 fault 0xc000000000014cc8
0xffffffff8124d4e8 (6,9001180008001060,60,e) ra 0xffffffff8124d434 sp
0x980000000b24bb30, sz 0m
0xffffffff8124d3e8 (6,9001180008001060,60,e) ra 0xffffffff8124d600 sp
0x980000000b24bb30, sz 48
0xffffffff8124d5f0 (6,9001180008001060,60,e) ra 0x0 sp 0x980000000b24bb60, sz 0
User-level: pid 14919
stopped on non ddb fault
Stopped at 0xffffffff8124d504: teq v1,zero
ddb>
ddb> trace
0xffffffff8124d4e8 (6,9001180008001060,60,e) ra 0xffffffff8124d434 sp 0x980000
000b24bb30, sz 0
0xffffffff8124d3e8 (6,9001180008001060,60,e) ra 0xffffffff8124d600 sp 0x980000
000b24bb30, sz 48
0xffffffff8124d5f0 (6,9001180008001060,60,e) ra 0x0 sp 0x980000000b24bb60, sz 0
[0] 0:ksh* "edge.lan" 19:59 08-Nov-17
User-level: pid 14919
ddb>
ddb> show panic
trap
ddb>
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
*14919 471017 1184 0 7 0x3 ifconfig
1184 128132 86995 0 3 0x10008b pause ksh
86995 225704 1 0 3 0x100080 kqread tmux
42641 445367 35799 0 3 0x100083 kqread tmux
35799 506834 1 0 3 0x10008b pause ksh
81044 349952 1 0 3 0x100098 poll cron
72988 136191 1 99 3 0x100090 poll sndiod
76655 177176 1 110 3 0x100090 poll sndiod
20919 306529 96836 95 3 0x100092 kqread smtpd
74960 98935 96836 103 3 0x100092 kqread smtpd
13261 347566 96836 95 3 0x100092 kqread smtpd
34794 236112 96836 95 3 0x100092 kqread smtpd
7462 409042 96836 95 3 0x100092 kqread smtpd
49117 343017 96836 95 3 0x100092 kqread smtpd
96836 514241 1 0 3 0x100080 kqread smtpd
80246 329859 1 0 3 0x80 select sshd
43052 86923 29771 83 3 0x100092 poll ntpd
29771 396057 51974 83 3 0x100092 poll ntpd
51974 347217 1 0 3 0x100080 poll ntpd
83372 395857 3018 74 3 0x100092 bpf pflogd
3018 366968 1 0 3 0x80 netio pflogd
84944 252832 17743 73 2 0x100090 syslogd
17743 286457 1 0 3 0x100082 netio syslogd
20452 479235 1 77 3 0x100090 poll dhclient
5305 401927 1 0 3 0x80 poll dhclient
57467 477863 64586 115 3 0x100092 kqread slaacd
73660 398139 64586 115 3 0x100092 kqread slaacd
64586 441031 1 0 3 0x80 kqread slaacd
41127 1978 0 0 2 0x14200 zerothread
46039 440114 0 0 3 0x14200 aiodoned aiodoned
14076 109833 0 0 3 0x14200 syncer update
570 48474 0 0 3 0x14200 cleaner cleaner
44029 16532 0 0 3 0x14200 reaper reaper
42664 472885 0 0 3 0x14200 pgdaemon pagedaemon
80298 65124 0 0 3 0x14200 bored crynlk
2332 290456 0 0 3 0x14200 bored crypto
39853 44489 0 0 3 0x14200 usbtsk usbtask
37547 238835 0 0 3 0x14200 usbatsk usbatsk
15796 159207 0 0 3 0x14200 bored dwc2
24973 201745 0 0 3 0x14200 bored softnet
93841 329573 0 0 3 0x14200 bored systqmp
31395 115933 0 0 3 0x14200 bored systq
51472 124265 0 0 3 0x40014200 bored softclock
85029 366783 0 0 3 0x40014200 idle0
1 496774 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb>
# cat /var/run/dmesg.boot
Copyright (c) 1982, 1986, 1989, 1991, 1993
The Regents of the University of California. All rights reserved.
Copyright (c) 1995-2017 OpenBSD. All rights reserved. https://www.OpenBSD.org
OpenBSD 6.2-current (GENERIC) #0: Tue Nov 7 21:35:15 UTC 2017
visa@octeon:/usr/src/sys/arch/octeon/compile/GENERIC
real mem = 536870912 (512MB)
avail mem = 524025856 (499MB)
mainbus0 at root
cpu0 at mainbus0: CN50xx CPU rev 0.1 500 MHz, Software FP emulation
cpu0: cache L1-I 32KB 4 way D 16KB 64 way, L2 128KB 8 way
clock0 at mainbus0: int 5
iobus0 at mainbus0
simplebus0 at iobus0: "soc"
octciu0 at simplebus0
cn30xxsmi0 at simplebus0
com0 at simplebus0: ns16550a, 64 byte fifo
com0: console
dwctwo0 at iobus0 base 0x1180068000000 irq 56
usb0 at dwctwo0: USB revision 2.0
uhub0 at usb0 configuration 1 interface 0 "Octeon DWC2 root hub" rev
2.00/1.00 addr 1
octrng0 at iobus0 base 0x1400000000000 irq 0
cn30xxgmx0 at iobus0 base 0x1180008000000
cnmac0 at cn30xxgmx0: RGMII, address 80:2a:a8:8e:2d:4f
atphy0 at cnmac0 phy 7: AR8035 10/100/1000 PHY, rev. 2
cnmac1 at cn30xxgmx0: RGMII, address 80:2a:a8:8e:2d:50
atphy1 at cnmac1 phy 6: AR8035 10/100/1000 PHY, rev. 2
cnmac2 at cn30xxgmx0: RGMII, address 80:2a:a8:8e:2d:51
/dev/ksyms: Symbol table not valid.
umass0 at uhub0 port 1 configuration 1 interface 0 "Kingston
DataTraveler 2.0" rev 2.00/1.00 addr 2
umass0: using SCSI over Bulk-Only
scsibus0 at umass0: 2 targets, initiator 0
sd0 at scsibus0 targ 1 lun 0: <Kingston, DataTraveler 2.0, PMAP> SCSI2
0/direct removable serial.09511665BD50BA24009C
sd0: 7498MB, 512 bytes/sector, 15356160 sectors
vscsi0 at root
scsibus1 at vscsi0: 256 targets
softraid0 at root
scsibus2 at softraid0: 256 targets
boot device: sd0
root on sd0a (e858023e9e34a57a.a) swap on sd0b dump on sd0b
WARNING: / was not properly unmounted
WARNING: No TOD clock, believing file system.
WARNING: CHECK AND RESET THE DATE!
