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current 'network' lockups???

I'm guessing this is network related (could easily be not) because I see
this in my dmesg (and on console) after the lockup has passed:

ne3: warning - receiver ring buffer overrun

ddb> tr
_Debugger(1,e052bcb4,eacc2c0a,eacc24e2,eacc24d6) at _Debugger+0x4
_internal_command(e089e500,eacc250a,f420,1b,2) at _internal_command+0x1e8
_wskbd_translate(e052bc4,2,1,eacc2542,e00afd80) at _wskbd_translate+0xda
_Xrecurse1() at _Xrecurse1+0x75
--- interrupt ---
_Xdoreti() at _Xdoreti+0x18
--- interrupt ---
_Xdoreti() at _Xdoreti+0x23
--- interrupt ---
_Xdoreti() at _Xdoreti+0x18
--- interrupt ---
_Xdoreti() at _Xdoreti+0x7
--- interrupt ---
_Xdoreti() at _Xdoreti+0x23
--- interrupt ---
_Xdoreti() at _Xdoreti+0x23
--- interrupt ---
_Xdoreti() at _Xdoreti+0x23
--- interrupt ---
_Xdoreti() at _Xdoreti+0xe
--- interrupt ---
_Xdoreti() at _Xdoreti+0x18
--- interrupt ---
_Xdoreti() at _Xdoreti+0x18
--- interrupt ---
_Xdoreti() at _Xdoreti+0x18
--- interrupt ---
_Xdoreti() at _Xdoreti+0x23
--- interrupt ---
_Xdoreti() at _Xdoreti+0x20
--- interrupt ---
_Xdoreti() at _Xdoreti+0x18
--- interrupt ---
_Xdoreti() at _Xdoreti+0x23
--- interrupt ---
_Xdoreti() at _Xdoreti+0x23
--- interrupt ---
_Xdoreti() at _Xdoreti+0x20
--- interrupt ---
_Xdoreti() at _Xdoreti+0x18
--- interrupt ---
_Xdoreti() at _Xdoreti+0x18
--- interrupt ---
_eintrcnt(eacc2c0a,e08b1cb8,e08ae000,e0101d48,eaca000a) at _eintrcnt+0xe
_clockintr(eacc2c0a) at _clockintr+0x11
_Xrecurse0() at _Xrecurse0+0x75
--- interrupt ---
_Xdoreti() at _Xdoreti+0x20
--- interrupt ---
_Xdoreti() at _Xdoreti+0x20
--- interrupt ---
_Xdoreti() at _Xdoreti+0x20
--- interrupt ---
_Xdoreti() at _Xdoreti+0x23
--- interrupt ---
(null)(2d0c0038,0,53050000,2,3064c9) at 0x6a6e

If I sit in ddb for around 2-3 mins, then continue, I get the ne3 buffer
overrun error.

Otherwise, the machine stays locked up if I just drop to ddb, and do 'c'
right away...

By 'lockup' I mean 'non responsive other than ddb and ping' .. ping times are
very wierd when being returned too...

64 bytes from icmp_seq=0 ttl=255 time=2371.329 ms
64 bytes from icmp_seq=1 ttl=255 time=1374.278 ms
64 bytes from icmp_seq=2 ttl=255 time=374.365 ms
64 bytes from icmp_seq=3 ttl=255 time=2186.270 ms
64 bytes from icmp_seq=4 ttl=255 time=1186.496 ms
64 bytes from icmp_seq=5 ttl=255 time=186.587 ms
64 bytes from icmp_seq=6 ttl=255 time=4311.152 ms
64 bytes from icmp_seq=7 ttl=255 time=3311.385 ms
64 bytes from icmp_seq=8 ttl=255 time=2311.478 ms
64 bytes from icmp_seq=9 ttl=255 time=1311.550 ms
64 bytes from icmp_seq=10 ttl=255 time=311.610 ms
64 bytes from icmp_seq=11 ttl=255 time=10928.122 ms
64 bytes from icmp_seq=12 ttl=255 time=9928.191 ms
64 bytes from icmp_seq=13 ttl=255 time=8928.390 ms
64 bytes from icmp_seq=14 ttl=255 time=7928.419 ms
64 bytes from icmp_seq=15 ttl=255 time=6928.432 ms
64 bytes from icmp_seq=16 ttl=255 time=5928.553 ms
64 bytes from icmp_seq=17 ttl=255 time=4928.617 ms
64 bytes from icmp_seq=18 ttl=255 time=3928.704 ms
64 bytes from icmp_seq=19 ttl=255 time=2928.870 ms
64 bytes from icmp_seq=20 ttl=255 time=1928.907 ms
64 bytes from icmp_seq=21 ttl=255 time=928.935 ms

What else can I do to debug this?

(my torture test is running only about 20 konqueror windows on the machine,
 dislpaying remotely over a 'ssh -C -X' link)...

.. It's even hung now on a 'ddb> boot sync' as in nothing after I typed
that, pings respond eratically as before, but I have decided to power
cycle to get the dmesg into this email...
Todd Fries .. todd_(_at_)_fries_(_dot_)_net

(last updated $ToddFries: signature.p,v 1.2 2002/03/19 15:10:18 todd Exp $)

OpenBSD 3.1-beta (GENERIC) #1: Tue Apr  2 11:01:01 CST 2002
cpu0: Intel Pentium III (Coppermine) ("GenuineIntel" 686-class) 323 MHz
real mem  = 133738496 (130604K)
avail mem = 118325248 (115552K)
using 1658 buffers containing 6791168 bytes (6632K) of memory
mainbus0 (root)
bios0 at mainbus0: AT/286+(70) BIOS, date 09/19/00, BIOS32 rev. 0 @ 0xfd880
apm0 at bios0: Power Management spec V1.2
apm0: battery life expectancy 100%
apm0: AC on, battery charge high, charging
pcibios0 at bios0: rev. 2.1 @ 0xfd880/0x780
pcibios0: PCI IRQ Routing Table rev. 1.0 @ 0xfdf40/160 (8 entries)
pcibios0: PCI Interrupt Router at 000:07:0 ("Intel 82371FB PCI-ISA" rev 0x00)
pcibios0: PCI bus #3 is the last bus
bios0: ROM list: 0xc0000/0xc000
pci0 at mainbus0 bus 0: configuration mode 1 (no bios)
pchb0 at pci0 dev 0 function 0 "Intel 82443BX PCI-AGP" rev 0x03
ppb0 at pci0 dev 1 function 0 "Intel 82443BX AGP" rev 0x03
pci1 at ppb0 bus 1
vga1 at pci1 dev 0 function 0 "S3 Savage/IX-MV" rev 0x11
wsdisplay0 at vga1: console (80x25, vt100 emulation)
wsdisplay0: screen 1-5 added (80x25, vt100 emulation)
pcib0 at pci0 dev 7 function 0 "Intel 82371AB PIIX4 ISA" rev 0x02
pciide0 at pci0 dev 7 function 1 "Intel 82371AB IDE" rev 0x01: DMA, channel 0 wired to compatibility, channel 1 wired to compatibility
wd0 at pciide0 channel 0 drive 0: <TOSHIBA MK2016GAP>
wd0: 16-sector PIO, LBA, 19077MB, 16383 cyl, 16 head, 63 sec, 39070080 sectors
wd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 2
atapiscsi0 at pciide0 channel 1 drive 0
scsibus0 at atapiscsi0: 2 targets
atapiscsi0(pciide0:1:0): using PIO mode 3, Ultra-DMA mode 2
cd0 at scsibus0 targ 0 lun 0: <TOSHIBA, DVD-ROM SD-C2402, 1515> SCSI0 5/cdrom removable
cd0(pciide0:1:0): using PIO mode 3, Ultra-DMA mode 2
uhci0 at pci0 dev 7 function 2 "Intel 82371AB USB" rev 0x01: irq 9
usb0 at uhci0: USB revision 1.0
uhub0 at usb0
uhub0: vendor 0x0000 UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
"Intel 82371AB Power Mgmt" rev 0x03 at pci0 dev 7 function 3 not configured
"Sony CXD3222 FireWire" rev 0x02 at pci0 dev 8 function 0 not configured
yds0 at pci0 dev 9 function 0 "Yamaha 744" rev 0x02: irq 9
ac97: codec id 0x414b4d02 (Asahi Kasei AK4543)
ac97: codec features headphone, 18 bit DAC, 18 bit ADC, AKM 3D
audio0 at yds0
"Rockwell RS56/SP-PCI11P1 Modem" rev 0x01 at pci0 dev 10 function 0 not configured
cbb0 at pci0 dev 12 function 0 "Ricoh 5C478 PCI-CardBus" rev 0x80: irq 9
cbb1 at pci0 dev 12 function 1 "Ricoh 5C478 PCI-CardBus" rev 0x80: irq 9
isa0 at pcib0
isadma0 at isa0
pckbc0 at isa0 port 0x60/5
pckbd0 at pckbc0 (kbd slot)
pckbc0: using irq 1 for kbd slot
wskbd0 at pckbd0: console keyboard, using wsdisplay0
pms0 at pckbc0 (aux slot)
pckbc0: using irq 12 for aux slot
wsmouse0 at pms0 mux 0
pcppi0 at isa0 port 0x61
midi0 at pcppi0: <PC speaker>
sysbeep0 at pcppi0
lpt0 at isa0 port 0x378/4 irq 7
npx0 at isa0 port 0xf0/16: using exception 16
pccom0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
fdc0 at isa0 port 0x3f0/6 irq 6 drq 2
opl0 at yds0: model OPL3
midi1 at opl0: <DS-1 integrated Yamaha OPL3>
mpu at yds0 not configured
mpu at yds0 not configured
mpu at yds0 not configured
mpu at yds0 not configured
cardslot0 at cbb0 slot 0 flags 0
cardbus0 at cardslot0: bus 2 device 0 cacheline 0x0, lattimer 0x20
pcmcia0 at cardslot0
cardslot1 at cbb1 slot 1 flags 0
cardbus1 at cardslot1: bus 3 device 0 cacheline 0x0, lattimer 0x20
pcmcia1 at cardslot1
biomask c240 netmask c240 ttymask d2c2
pctr: 686-class user-level performance counters enabled
mtrr: Pentium Pro MTRR support
dkcsum: wd0 matched BIOS disk 80
root on wd0a
rootdev=0x0 rrootdev=0x300 rawdev=0x302
WARNING: / was not properly unmounted
pccom3 at pcmcia0 function 0 "Toshiba America, 3CXM056-BNW, 3COM/NoteWorthy 56K Modem" port 0xa3f8/8: ns16550a, 16 byte fifo
ne3 at pcmcia1 function 0 "D-Link, DFE-650, Fast Ethernet" port 0xa000/32
ne3: address 00:80:c8:8e:b2:15
ukphy0 at ne3 phy 0: Generic IEEE 802.3u media interface
ukphy0: OUI 0x1e0400, model 0x0000, rev. 0