[7.0-BETA3] em0: watchdog timeout -- resetting

From: Wilkinson, Alex <alex.wilkinson_at_dsto.defence.gov.au>
Date: Tue, 18 Dec 2007 16:59:01 +0900
Hi all,

On a 7.0-BETA3 FreeBSD desktop workstation, X temporarily locks up and on the
console I am seeing "em0: watchdog timeout -- resetting" errors.

The NIC hardware on the FreeBSD box is:

    subclass   = ethernet
    em0_at_pci0:5:4:0: class=0x020000 card=0x10018086 chip=0x10268086 rev=0x04 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = '82545GM Gigabit Ethernet Controller'
    class      = network
    subclass   = ethernet

I am connecting to a WindowsXP box via /usr/ports/sysutils/synergy, the NIC
hardware on this box is:

  Broadcom NetXtreme Gigabit Ethernet Controller

I am seeing the watchdog timeout errors print approx every minute i.e.

    em0: watchdog timeout -- resetting
    em0: link state changed to DOWN
    em0: link state changed to UP

These 2 boxes are connected via a Netgear 10/100Mb switch.

Interupts:

    #vmstat -i
    interrupt                          total       rate
    irq4: sio0                           120          0
    irq6: fdc0                            10          0
    irq14: ata0                         8310          2
    irq15: ata1                           44          0
    irq16: em0 uhci0                   12516          4
    irq18: nvidia0+                   359878        118
    irq19: uhci1                       26029          8
    irq23: ehci0                           1          0
    cpu0: timer                      6083761       1998
    Total                            6490669       2132

Anything I can do to help sort this problem out ?

 -aW


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Received on Tue Dec 18 2007 - 07:16:48 UTC

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