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Odd problems with Linksys interfaces

To: <misc@openbsd.org>
Subject: Odd problems with Linksys interfaces
From: "Joe Barrett" <gawyn@subnova.com>
Date: Tue, 3 Sep 2002 10:19:49 -0400
I've gone ahead and searched through the MARC misc@ archives and didn't see
anything that applied, so I figured it was fair game to ask:

I have two systems, an OpenBSD 3.0 box with two Linksys Etherfast 10/100 LAN
cards, both version 5 firmware.  On my other system, a Windows XP box, I
have a Linksys Etherface 10/100 NIC, version 4 firmware.  The NICs are
connected via a crossover cable, media 100BaseTX mediaopt full-duplex, and
when I had these systems set up at home a few weeks ago, talked at speeds
appropriate to a 100 megabit LAN.
When I moved back on campus, one NIC from the OpenBSD machine links to the
campus network at 10 megabit, half-duplex, and the other NIC remains pointed
back inside at 100 megabit full-duplex.  My OpenBSD machine can talk to the
outside world at 10megabit speeds, my WinXP box can talk to the outside
world at 10megabit speeds, but if I try to send files from one machine to
the other, I average about 3 or 4 kb/sec and the machine almost locks up
until the file is done transferring.  I'm at a loss to explain it.  I'd
appreciate any advice.

Thanks,
Joe Barrett


$dmesg
OpenBSD 3.0 (GENERIC) #94: Thu Oct 18 14:48:27 MDT 2001
    deraadt@i386.openbsd.org:/usr/src/sys/arch/i386/compile/GENERIC
cpu0: AMD Duron ("AuthenticAMD" 686-class) 698 MHz
cpu0:
FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,SYS,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR
real mem  = 393850880 (384620K)
avail mem = 359276544 (350856K)
using 4833 buffers containing 19795968 bytes (19332K) of memory
mainbus0 (root)
bios0 at mainbus0: AT/286+(00) BIOS, date 12/12/00, BIOS32 rev. 0 @ 0xfdae0
apm0 at bios0: Power Management spec V1.2
apm0: AC on, no battery
pcibios0 at bios0: rev. 2.1 @ 0xf0000/0x10000
pcibios0: PCI IRQ Routing Table rev. 1.0 @ 0xf8360/96 (4 entries)
pcibios0: PCI Interrupt Router at 000:01:0 ("SIS 85C503 ISA" rev 0x00)
pcibios0: PCI bus #1 is the last bus
bios0: ROM list: 0xc0000/0xc000 0xcc000/0x8000!
pci0 at mainbus0 bus 0: configuration mode 1 (no bios)
pchb0 at pci0 dev 0 function 0 vendor "SIS", unknown product 0x730 rev 0x02
pciide0 at pci0 dev 0 function 1 "SIS 5513 EIDE" rev 0xd0: DMA, channel 0
wired to compatibility, channel 1 wired to compatibility
wd0 at pciide0 channel 0 drive 0: <Maxtor 53073H4>
wd0: 16-sector PIO, LBA, 29311MB, 16383 cyl, 16 head, 63 sec, 60030432
sectors
atapiscsi0 at pciide0 channel 0 drive 1
scsibus0 at atapiscsi0: 2 targets
cd0 at scsibus0 targ 0 lun 0: <SAMSUNG, CD-ROM SC-140B, d005> SCSI0 5/cdrom
removable
wd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 2
cd0(pciide0:0:1): using PIO mode 4, Ultra-DMA mode 2
pcib0 at pci0 dev 1 function 0 "SIS 85C503 ISA" rev 0x00
sis0 at pci0 dev 1 function 1 "SIS 900 10/100BaseTX" rev 0x82: irq 5 address
02:29:02:50:80:00
ukphy0 at sis0 phy 0: Generic IEEE 802.3u media interface
ukphy0: OUI 0x00057d, model 0x0004, rev. 1
ohci0 at pci0 dev 1 function 2 "SIS 5597/5598 USB" rev 0x07: irq 11, OHCI
version 1.0, legacy support
usb0 at ohci0: USB revision 1.0
uhub0 at usb0
uhub0: vendor 0x0000 OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 3 ports with 3 removable, self powered
ohci1 at pci0 dev 1 function 3 "SIS 5597/5598 USB" rev 0x07: irq 11, OHCI
version 1.0, legacy support
usb1 at ohci1: USB revision 1.0
uhub1 at usb1
uhub1: vendor 0x0000 OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub1: 3 ports with 3 removable, self powered
vendor "SIS", unknown product 0x7018 (class multimedia, subclass audio, rev
0x02) at pci0 dev 1 function 4 not configured
vendor "SIS", unknown product 0x7013 (class communications, subclass modem,
rev 0xa0) at pci0 dev 1 function 6 not configured
ppb0 at pci0 dev 2 function 0 "SIS 86C201 Host-AGP" rev 0x00
pci1 at ppb0 bus 1
vga1 at pci1 dev 0 function 0 "SIS 6300" rev 0x31
wsdisplay0 at vga1: console (80x25, vt100 emulation)
wsdisplay0: screen 1-5 added (80x25, vt100 emulation)
dc0 at pci0 dev 9 function 0 "ADMtek AN983" rev 0x11: irq 11 address
00:04:5a:59:85:b1
ukphy1 at dc0 phy 1: Generic IEEE 802.3u media interface
ukphy1: OUI 0x000895, model 0x0001, rev. 0
dc1 at pci0 dev 11 function 0 "ADMtek AN983" rev 0x11: irq 5 address
00:04:5a:55:82:4e
ukphy2 at dc1 phy 1: Generic IEEE 802.3u media interface
ukphy2: OUI 0x000895, model 0x0001, rev. 0
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
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
biomask 4840 netmask 4860 ttymask 48e2
pctr: user-level cycle counter enabled
mtrr: Pentium Pro MTRR support
dkcsum: wd0 matched BIOS disk 80
root on wd0a
rootdev=0x0 rrootdev=0x300 rawdev=0x302
syncing disks... OpenBSD 3.0 (GENERIC) #94: Thu Oct 18 14:48:27 MDT 2001
    deraadt@i386.openbsd.org:/usr/src/sys/arch/i386/compile/GENERIC
cpu0: AMD Duron ("AuthenticAMD" 686-class) 698 MHz
cpu0:
FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,SYS,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR
real mem  = 393850880 (384620K)
avail mem = 359276544 (350856K)
using 4833 buffers containing 19795968 bytes (19332K) of memory
mainbus0 (root)
bios0 at mainbus0: AT/286+(00) BIOS, date 12/12/00, BIOS32 rev. 0 @ 0xfdae0
apm0 at bios0: Power Management spec V1.2
apm0: AC on, no battery
pcibios0 at bios0: rev. 2.1 @ 0xf0000/0x10000
pcibios0: PCI IRQ Routing Table rev. 1.0 @ 0xf8360/96 (4 entries)
pcibios0: PCI Interrupt Router at 000:01:0 ("SIS 85C503 ISA" rev 0x00)
pcibios0: PCI bus #1 is the last bus
bios0: ROM list: 0xc0000/0xc000 0xcc000/0x8000!
pci0 at mainbus0 bus 0: configuration mode 1 (no bios)
pchb0 at pci0 dev 0 function 0 vendor "SIS", unknown product 0x730 rev 0x02
pciide0 at pci0 dev 0 function 1 "SIS 5513 EIDE" rev 0xd0: DMA, channel 0
wired to compatibility, channel 1 wired to compatibility
wd0 at pciide0 channel 0 drive 0: <Maxtor 53073H4>
wd0: 16-sector PIO, LBA, 29311MB, 16383 cyl, 16 head, 63 sec, 60030432
sectors
atapiscsi0 at pciide0 channel 0 drive 1
scsibus0 at atapiscsi0: 2 targets
cd0 at scsibus0 targ 0 lun 0: <SAMSUNG, CD-ROM SC-140B, d005> SCSI0 5/cdrom
removable
wd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 2
cd0(pciide0:0:1): using PIO mode 4, Ultra-DMA mode 2
pcib0 at pci0 dev 1 function 0 "SIS 85C503 ISA" rev 0x00
sis0 at pci0 dev 1 function 1 "SIS 900 10/100BaseTX" rev 0x82: irq 5 address
02:29:02:50:80:00
ukphy0 at sis0 phy 0: Generic IEEE 802.3u media interface
ukphy0: OUI 0x00057d, model 0x0004, rev. 1
ohci0 at pci0 dev 1 function 2 "SIS 5597/5598 USB" rev 0x07: irq 11, OHCI
version 1.0, legacy support
usb0 at ohci0: USB revision 1.0
uhub0 at usb0
uhub0: vendor 0x0000 OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 3 ports with 3 removable, self powered
ohci1 at pci0 dev 1 function 3 "SIS 5597/5598 USB" rev 0x07: irq 11, OHCI
version 1.0, legacy support
usb1 at ohci1: USB revision 1.0
uhub1 at usb1
uhub1: vendor 0x0000 OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub1: 3 ports with 3 removable, self powered
vendor "SIS", unknown product 0x7018 (class multimedia, subclass audio, rev
0x02) at pci0 dev 1 function 4 not configured
vendor "SIS", unknown product 0x7013 (class communications, subclass modem,
rev 0xa0) at pci0 dev 1 function 6 not configured
ppb0 at pci0 dev 2 function 0 "SIS 86C201 Host-AGP" rev 0x00
pci1 at ppb0 bus 1
vga1 at pci1 dev 0 function 0 "SIS 6300" rev 0x31
wsdisplay0 at vga1: console (80x25, vt100 emulation)
wsdisplay0: screen 1-5 added (80x25, vt100 emulation)
dc0 at pci0 dev 9 function 0 "ADMtek AN983" rev 0x11: irq 11 address
00:04:5a:59:85:b1
ukphy1 at dc0 phy 1: Generic IEEE 802.3u media interface
ukphy1: OUI 0x000895, model 0x0001, rev. 0
dc1 at pci0 dev 11 function 0 "ADMtek AN983" rev 0x11: irq 5 address
00:04:5a:55:82:4e
ukphy2 at dc1 phy 1: Generic IEEE 802.3u media interface
ukphy2: OUI 0x000895, model 0x0001, rev. 0
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
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
biomask 4840 netmask 4860 ttymask 48e2
pctr: user-level cycle counter enabled
mtrr: Pentium Pro MTRR support
dkcsum: wd0 matched BIOS disk 80
root on wd0a
rootdev=0x0 rrootdev=0x300 rawdev=0x302
arp info overwritten for 129.2.210.1 by 00:c0:a8:80:07:ab on dc1
arp info overwritten for 129.2.210.1 by 00:d0:d3:81:bb:fc on dc1
arp info overwritten for 129.2.210.1 by 00:c0:a8:80:07:ab on dc1
arp info overwritten for 129.2.210.1 by 00:d0:d3:81:bb:fc on dc1
arp info overwritten for 129.2.210.1 by 00:00:0c:07:ac:00 on dc1
arp info overwritten for 129.2.210.1 by 00:10:5a:0c:6f:4d on dc1
arp info overwritten for 129.2.210.1 by 00:d0:d3:81:bb:fc on dc1
arp info overwritten for 129.2.210.1 by 00:00:0c:07:ac:00 on dc1

$ifconfig -A
lo0: flags=8009<UP,LOOPBACK,MULTICAST> mtu 33224
 inet6 fe80::1%lo0 prefixlen 64 scopeid 0x6
 inet6 ::1 prefixlen 128
 inet 127.0.0.1 netmask 0xff000000
lo1: flags=8008<LOOPBACK,MULTICAST> mtu 33224
sis0: flags=8802<BROADCAST,SIMPLEX,MULTICAST> mtu 1500
 media: Ethernet autoselect (none)
dc0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
 media: Ethernet 100baseTX full-duplex
 status: active
 inet 10.42.0.1 netmask 0xffffff00 broadcast 10.42.0.255
 inet6 fe80::204:5aff:fe59:85b1%dc0 prefixlen 64 scopeid 0x2
dc1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
 media: Ethernet 10baseT
 status: active
 inet 129.2.210.229 netmask 0xffffff00 broadcast 129.2.210.255
 inet6 fe80::204:5aff:fe55:824e%dc1 prefixlen 64 scopeid 0x3
pflog0: flags=141<UP,RUNNING,PROMISC> mtu 33224
sl0: flags=c010<POINTOPOINT,LINK2,MULTICAST> mtu 296
sl1: flags=c010<POINTOPOINT,LINK2,MULTICAST> mtu 296
ppp0: flags=8010<POINTOPOINT,MULTICAST> mtu 1500
ppp1: flags=8010<POINTOPOINT,MULTICAST> mtu 1500
tun0: flags=10<POINTOPOINT> mtu 3000
tun1: flags=10<POINTOPOINT> mtu 3000
enc0: flags=0<> mtu 1536
bridge0: flags=0<> mtu 1500
bridge1: flags=0<> mtu 1500
vlan0: flags=0<> mtu 1500
vlan1: flags=0<> mtu 1500
gre0: flags=8010<POINTOPOINT,MULTICAST> mtu 1450
gif0: flags=8010<POINTOPOINT,MULTICAST> mtu 1280
gif1: flags=8010<POINTOPOINT,MULTICAST> mtu 1280
gif2: flags=8010<POINTOPOINT,MULTICAST> mtu 1280
gif3: flags=8010<POINTOPOINT,MULTICAST> mtu 1280
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  - From: Nick Holland <nick@holland-consulting.net>
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