From: Paul Codding (paulcodding.net)
Date: Thu Sep 02 2004 - 11:14:06 CDT

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Hi,

I've been having issues with OpenBSD 3.5-stable locking up during
periods of high network activity with Netgear cards using the dc
driver. I have a client running an rsync script that synchronizes a
directory containing 300Mb of data, and whenever that is run the
firewall locks up hard. The same thing happens on 3 other machines,
all using the same type of nic cards. Just wanted to know if anyone
else has experienced this problem?? The only thing all of the machines
have in common is that they are using this nic: "dc0 at pci1 dev 1
function 0 "Lite-On PNIC" rev 0x20:" Also, there are no messages in
the logs when the machines lock up.

Here is my dmesg:

OpenBSD 3.5-stable (GENERIC) #0: Wed Jul 21 07:38:46 CDT 2004
     rootlocalhost:/usr/src/sys/arch/i386/compile/GENERIC
cpu0: Intel Celeron ("GenuineIntel" 686-class, 128KB L2 cache) 401 MHz
cpu0:
FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,F
XSR
real mem = 65646592 (64108K)
avail mem = 54775808 (53492K)
using 826 buffers containing 3383296 bytes (3304K) of memory
mainbus0 (root)
bios0 at mainbus0: AT/286+(f2) BIOS, date 09/06/99, BIOS32 rev. 0
0xfb160
apm0 at bios0: Power Management spec V1.2
apm0: AC on, battery charge unknown
pcibios0 at bios0: rev. 2.1 0xf0000/0xb5e0
pcibios0: PCI IRQ Routing Table rev. 1.0 0xfded0/96 (4 entries)
pcibios0: PCI Exclusive IRQs: 10 11 12
pcibios0: PCI Interrupt Router at 000:31:0 ("Intel 82371SB ISA" rev
0x00)
pcibios0: PCI bus #1 is the last bus
bios0: ROM list: 0xc0000/0x8000
pci0 at mainbus0 bus 0: configuration mode 1 (no bios)
pchb0 at pci0 dev 0 function 0 "Intel 82810-DC100" rev 0x02: rng
active, 8Kb/sec
vga1 at pci0 dev 1 function 0 "Intel 82810-DC100 Graphics" rev 0x02:
aperture at 0xd8000000, size 0x4000000
wsdisplay0 at vga1: console (80x25, vt100 emulation)
wsdisplay0: screen 1-5 added (80x25, vt100 emulation)
ppb0 at pci0 dev 30 function 0 "Intel 82801AA Hub-to-PCI" rev 0x01
pci1 at ppb0 bus 1
rl0 at pci1 dev 0 function 0 "Realtek 8139" rev 0x10: irq 10 address
00:48:54:8c:3b:de
rlphy0 at rl0 phy 0: RTL internal phy
dc0 at pci1 dev 1 function 0 "Lite-On PNIC" rev 0x20: irq 11, address
00:a0:cc:d9:7a:ba
bmtphy0 at dc0 phy 1: BCM5201 10/100 media interface, rev. 2
pcib0 at pci0 dev 31 function 0 "Intel 82801AA LPC" rev 0x01
pciide0 at pci0 dev 31 function 1 "Intel 82801AA IDE" rev 0x01: DMA,
channel 0 wired to compatibility, channel 1 wired to compatibility
wd0 at pciide0 channel 0 drive 0: <QUANTUM FIREBALL1280A>
wd0: 8-sector PIO, LBA, 1222MB, 2503872 sectors
wd0(pciide0:0:0): using PIO mode 4, DMA mode 2
atapiscsi0 at pciide0 channel 1 drive 0
scsibus0 at atapiscsi0: 2 targets
cd0 at scsibus0 targ 0 lun 0: <ATAPI, 52X CDROM, 1.40> SCSI0 5/cdrom
removable
cd0(pciide0:1:0): using PIO mode 4, Ultra-DMA mode 2
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
pcppi0 at isa0 port 0x61
midi0 at pcppi0: <PC speaker>
sysbeep0 at pcppi0
lpt1 at isa0 port 0x278/4: polled
npx0 at isa0 port 0xf0/16: using exception 16
pccom0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
pccom1 at isa0 port 0x2f8/8 irq 3: ns16550a, 16 byte fifo
fdc0 at isa0 port 0x3f0/6 irq 6 drq 2
fd0 at fdc0 drive 0: 1.44MB 80 cyl, 2 head, 18 sec
biomask c040 netmask cc40 ttymask cc42
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

Thanks for any help,
Paul

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