mailbox# uname -a
FreeBSD mailbox 6.2-PRERELEASE FreeBSD 6.2-PRERELEASE #0: Fri Sep 22 00:31:29 CEST 2006
[EMAIL PROTECTED]:/usr/obj-local/usr/src/sys/SMP  amd64

I get tons of these:
em0: watchdog timeout -- resetting
em0: link state changed to DOWN
em0: link state changed to UP

mailbox# pciconf -lv
[EMAIL PROTECTED]:0:0: class=0x020000 card=0x108c15d9 chip=0x108c8086 rev=0x03 hdr=0x00
    vendor   = 'Intel Corporation'
    device   = 'PRO/1000 PM'
    class    = network
    subclass = ethernet
[EMAIL PROTECTED]:0:0: class=0x020000 card=0x109a15d9 chip=0x109a8086 rev=0x00 hdr=0x00
    vendor   = 'Intel Corporation'
    class    = network
    subclass = ethernet

em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        options=b<RXCSUM,TXCSUM,VLAN_MTU>
        inet6 fe80::230:48ff:fe89:c958%em0 prefixlen 64 scopeid 0x1
        inet 192.168.10.2 netmask 0xffffff00 broadcast 192.168.10.255
        ether 00:30:48:89:c9:58
        media: Ethernet autoselect (1000baseTX <full-duplex>)
        status: active

Motherboard is a Supermicro PDSMi+

I have only seen them on em0. Yesterday I tried sysutils/cpuburn on similar boxes that are netbooted with NFS mounted drives and everytime I loaded the two CPU cores the network went down.

I have not tested with other NIC:s so I don't know if the bug is in the em driver or somewhere else in the kernel.

I will update my 6.2 now and see if it works better. I will also test with a bge PCIe adapter if the problem persists.


Regards,
Martin
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