Date: Sat, 13 Dec 1997 17:52:02 -0500 From: Nicholas Merrill <lists@mojo.calyx.net> To: freebsd-questions@freebsd.org Subject: de0: abnormal interrupt: transmit underflow Message-ID: <199712142252.OAA18257@hub.freebsd.org>
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Hi.. I recently upgraded my motherboard from an ASUS
P55T2P4 to the P/I-XP6NP5 Pentium Pro board, with a
200Mhz PPro CPU (256k cache).
I am having this trouble with my Accton dec21040 ethernet
board in that it keeps generating this error:
Dec 14 17:33:16 mojo /kernel: de0: abnormal interrupt: transmit underflow
Dec 14 17:42:13 mojo /kernel: de0: abnormal interrupt: transmit underflow
Dec 14 17:42:47 mojo /kernel: de0: abnormal interrupt: transmit underflow
I was just wondering if anybody has seen this, and what it might mean?
These are steps I've already taken:
- Switching the PCI slots of the Buslogic card and the ether.
- Resetting the BIOS to default settings, and then re-starting
They apparently didn't help though.
This is my setup (from dmesg)
FreeBSD 2.2.5-RELEASE #0: Thu Dec 11 21:11:25 EST 1997
root@:/usr/src/sys/compile/MOJO
CPU: Pentium Pro (199.31-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0x619 Stepping=9
Features=0xf9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,<b11>,MTRR,PGE,MCA,CMOV>
real memory = 134217728 (131072K bytes)
avail memory = 127545344 (124556K bytes)
Probing for devices on PCI bus 0:
chip0 <Intel 82440FX (Natoma) PCI and memory controller> rev 2 on pci0:0
chip1 <Intel 82371SB PCI-ISA bridge> rev 1 on pci0:1:0
chip2 <Intel 82371SB IDE interface> rev 0 on pci0:1:1
de0 <Digital 21040 Ethernet> rev 34 int a irq 10 on pci0:11
de0: ACCTON EN1203 21040 [10Mb/s] pass 2.2
de0: address 00:00:e8:0c:30:53
bt0 <Buslogic 946 SCSI host adapter> rev 8 int a irq 11 on pci0:12
bt0: Bt958 / 0-(32bit) bus
bt0: reading board settings, busmastering, int=11
bt0: version 5.05R, fast sync, parity, 32 mbxs, 32 ccbs
bt0: targ 0 sync rate=20.00MB/s(50ns), offset=15
bt0: targ 2 sync rate=10.00MB/s(100ns), offset=15
bt0: targ 3 sync rate=10.00MB/s(100ns), offset=15
bt0: targ 4 sync rate=20.00MB/s(50ns), offset=15
bt0: Using Strict Round robin scheme
(bt0:0:0): "SEAGATE ST32171W 0338" type 0 fixed SCSI 2
sd0(bt0:0:0): Direct-Access 2061MB (4222640 512 byte sectors)
(bt0:2:0): "SEAGATE ST32550W 0016" type 0 fixed SCSI 2
sd1(bt0:2:0): Direct-Access 2047MB (4194058 512 byte sectors)
(bt0:3:0): "SEAGATE ST32550W 0021" type 0 fixed SCSI 2
sd2(bt0:3:0): Direct-Access 2047MB (4194058 512 byte sectors)
(bt0:4:0): "IBM DCAS-32160W !# S63A" type 0 fixed SCSI 2
sd3(bt0:4:0): Direct-Access 2063MB (4226725 512 byte sectors)
Probing for devices on the ISA bus:
sc0 at 0x60-0x6f irq 1 on motherboard
sc0: VGA color <16 virtual consoles, flags=0x0>
fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa
fdc0: FIFO enabled, 8 bytes threshold
fd0: 1.44MB 3.5in
wdc0 not found at 0x1f0
bt: unit number (1) too high
bt1 not found at 0x330
npx0 on motherboard
npx0: INT 16 interface
de0: enabling 10baseT port
thanks,
Nick
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