>
> There's a slim chance that killing processes (sshd, smtpd, dhclient,
> cron, pflogd, ntpd) might free up enough to help.
>
> Maybe also worth trying ddb.console=0, it will try to print a stack
> trace and then reboot rather than entering ddb.
>
New and updated output after stopping the processes and setting
ddb.console=0, however ddb is still entered and there wasn't a stack
trace.
sudo ifconfig bwi0 up
uvm_fault(0xd211a6c0, 0x0, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at 0:uvm_fault(0xd211a6c0, 0x0, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at db_read_bytes+0x17: movzbl 0(%esi,%ecx,1),%eax
----
ddb> ps
PID PPID PGRP UID S FLAGS WAIT COMMAND
*29704 16328 29704 0 7 0x3 ifconfig
16328 1 16328 1000 3 0x8b pause ksh
14833 26227 26227 73 2 0x90 syslogd
26227 1 26227 0 3 0x80 netio syslogd
17845 0 0 0 2 0x14200 zerothread
18141 0 0 0 3 0x14200 aiodoned aiodoned
1894 0 0 0 3 0x14200 syncer update
27861 0 0 0 3 0x14200 cleaner cleaner
23566 0 0 0 3 0x14200 reaper reaper
11132 0 0 0 3 0x14200 pgdaemon pagedaemon
28889 0 0 0 3 0x14200 bored crypto
7559 0 0 0 3 0x14200 pftm pfpurge
22720 0 0 0 3 0x14200 bored systqmp
23801 0 0 0 3 0x14200 bored systq
18116 0 0 0 3 0x40014200 idle0
12202 0 0 0 3 0x14200 kmalloc kmthread
1 0 1 0 3 0x82 wait init
0 -1 0 0 3 0x10200 scheduler swapper
----
ddb> show registers
ds 0x10
es 0x10
fs 0x20
gs 0
edi 0xf11adae0
esi 0
ebp 0xf11adac4
ebx 0x1
edx 0xf11adae0
ecx 0
eax 0
eip 0xd055a447 db_read_bytes+0x17
cs 0x8
eflags 0x10246
esp 0xf11adaac
ss 0x10
db_read_bytes+0x17: movzbl 0(%esi,%ecx,1),%eax
----
ddb> dmesg
OpenBSD 5.7-beta (GENERIC) #714: Tue Feb 17 12:45:41 MST 2015
t...@i386.openbsd.org:/usr/src/sys/arch/i386/compile/GENERIC
cpu0: AMD Am5x86 W/B 133/160 ("AuthenticAMD" 486-class)
cpu0: FPU
real mem = 66600960 (63MB)
avail mem = 53186560 (50MB)
mpath0 at root
scsibus0 at mpath0: 256 targets
mainbus0 at root
bios0 at mainbus0: date 20/80/03, BIOS32 rev. 0 @ 0xf7840
pcibios0 at bios0: rev 2.0 @ 0xf0000/0x10000
pcibios0: pcibios_get_intr_routing - function not supported
pcibios0: PCI IRQ Routing information unavailable.
pcibios0: PCI bus #0 is the last bus
bios0: ROM list: 0xc8000/0x9000
cpu0 at mainbus0: (uniprocessor)
pci0 at mainbus0 bus 0: configuration mode 1 (bios)
elansc0 at pci0 dev 0 function 0 "AMD ElanSC520 PCI" rev 0x00: product 0 steppi
ng 1.1, CPU clock 133MHz, reset 40<SCP>
gpio0 at elansc0: 32 pins
bwi0 at pci0 dev 16 function 0 "Broadcom BCM4306" rev 0x02: irq 10, address 00:
90:4b:72:9f:fd
sis0 at pci0 dev 18 function 0 "NS DP83815 10/100" rev 0x00, DP83816A: irq 11, a
ddress 00:00:24:c4:e7:60
nsphyter0 at sis0 phy 0: DP83815 10/100 PHY, rev. 1
sis1 at pci0 dev 19 function 0 "NS DP83815 10/100" rev 0x00, DP83816A: irq 5, a
ddress 00:00:24:c4:e7:61
nsphyter1 at sis1 phy 0: DP83815 10/100 PHY, rev. 1
sis2 at pci0 dev 20 function 0 "NS DP83815 10/100" rev 0x00, DP83816A: irq 9, a
ddress 00:00:24:c4:e7:62
nsphyter2 at sis2 phy 0: DP83815 10/100 PHY, rev. 1
isa0 at mainbus0
isadma0 at isa0
com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
com0: console
com1 at isa0 port 0x2f8/8 irq 3: ns16550a, 16 byte fifo
pckbc0 at isa0 port 0x60/5
pckbd0 at pckbc0 (kbd slot)
pckbc0: using irq 1 for kbd slot
wskbd0 at pckbd0: console keyboard
wdc0 at isa0 port 0x1f0/8 irq 14
wd0 at wdc0 channel 0 drive 0: <SanDisk SDCFH-004G>
wd0: 1-sector PIO, LBA48, 3815MB, 7813120 sectors
wd0(wdc0:0:0): using BIOS timings
pcppi0 at isa0 port 0x61
spkr0 at pcppi0
npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16
vscsi0 at root
scsibus1 at vscsi0: 256 targets
softraid0 at root
scsibus2 at softraid0: 256 targets
root on wd0a (cbaa94e16775c203.a) swap on wd0b dump on wd0b
uvm_fault(0xd211a6c0, 0x0, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at 0: uvm_fault(0xd211a6c0, 0x0, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at db_read_bytes+0x17: movzbl 0(%esi,%ecx,1),%eax
----
Console boot
OpenBSD 5.7-beta (GENERIC) #714: Tue Feb 17 12:45:41 MST 2015
t...@i386.openbsd.org:/usr/src/sys/arch/i386/compile/GENERIC
cpu0: AMD Am5x86 W/B 133/160 ("AuthenticAMD" 486-class)
cpu0: FPU
real mem = 66600960 (63MB)
avail mem = 53186560 (50MB)
mpath0 at root
scsibus0 at mpath0: 256 targets
mainbus0 at root
bios0 at mainbus0: date 20/80/03, BIOS32 rev. 0 @ 0xf7840
pcibios0 at bios0: rev 2.0 @ 0xf0000/0x10000
pcibios0: pcibios_get_intr_routing - function not supported
pcibios0: PCI IRQ Routing information unavailable.
pcibios0: PCI bus #0 is the last bus
bios0: ROM list: 0xc8000/0x9000
cpu0 at mainbus0: (uniprocessor)
pci0 at mainbus0 bus 0: configuration mode 1 (bios)
elansc0 at pci0 dev 0 function 0 "AMD ElanSC520 PCI" rev 0x00: product
0 stepping 1.1, CPU clock 133MHz, reset 40<SCP>
gpio0 at elansc0: 32 pins
bwi0 at pci0 dev 16 function 0 "Broadcom BCM4306" rev 0x02: irq 10,
address 00:90:4b:72:9f:fd
sis0 at pci0 dev 18 function 0 "NS DP83815 10/100" rev 0x00, DP83816A:
irq 11, address 00:00:24:c4:e7:60
nsphyter0 at sis0 phy 0: DP83815 10/100 PHY, rev. 1
sis1 at pci0 dev 19 function 0 "NS DP83815 10/100" rev 0x00, DP83816A:
irq 5, address 00:00:24:c4:e7:61
nsphyter1 at sis1 phy 0: DP83815 10/100 PHY, rev. 1
sis2 at pci0 dev 20 function 0 "NS DP83815 10/100" rev 0x00, DP83816A:
irq 9, address 00:00:24:c4:e7:62
nsphyter2 at sis2 phy 0: DP83815 10/100 PHY, rev. 1
isa0 at mainbus0
isadma0 at isa0
com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
com0: console
com1 at isa0 port 0x2f8/8 irq 3: ns16550a, 16 byte fifo
pckbc0 at isa0 port 0x60/5
pckbd0 at pckbc0 (kbd slot)
pckbc0: using irq 1 for kbd slot
wskbd0 at pckbd0: console keyboard
wdc0 at isa0 port 0x1f0/8 irq 14
wd0 at wdc0 channel 0 drive 0: <SanDisk SDCFH-004G>
wd0: 1-sector PIO, LBA48, 3815MB, 7813120 sectors
wd0(wdc0:0:0): using BIOS timings
pcppi0 at isa0 port 0x61
spkr0 at pcppi0
npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16
vscsi0 at root
scsibus1 at vscsi0: 256 targets
softraid0 at root
scsibus2 at softraid0: 256 targets
root on wd0a (cbaa94e16775c203.a) swap on wd0b dump on wd0b
Automatic boot in progress: starting file system checks.
/dev/wd0a (cbaa94e16775c203.a): file system is clean; not checking
setting tty flags
pf enabled
ddb.console: 0 -> 0
starting network
DHCPREQUEST on sis0 to 255.255.255.255
DHCPACK from 192.168.88.1 (d4:ca:6d:28:81:58)
bound to 192.168.88.200 -- renewal in 300 seconds.
starting early daemons: syslogd pflogd ntpd.
starting RPC daemons:.
savecore: no core dump
checking quotas: done.
clearing /tmp
kern.securelevel: 0 -> 1
creating runtime link editor directory cache.
preserving editor files.
starting network daemons: sshd smtpd.
starting local daemons: cron.
Thu Feb 19 20:50:30 NST 2015
