kern/91000: sk connection shut down after some time of inactivity

João joao at
Tue Dec 27 23:00:32 PST 2005

>Number:         91000
>Category:       kern
>Synopsis:       sk connection shut down after some time of inactivity
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Dec 28 07:00:26 GMT 2005
>Originator:     João
>Release:        releng_6
FreeBSD 6.0-STABLE FreeBSD 6.0-STABLE #0: Thu Dec 22 17:14:58 BRST 2005     hmm at  amd64
              after some time of network inactivity the sk interface stops comunicating showing:

        media: Ethernet 100baseTX (none)
and in messages:

Dec 26 03:37:44 gw kernel: sk0: watchdog timeout
Dec 26 03:37:44 gw kernel: EXT: link state changed to DOWN

**** on 6.0-R I got also watchdog timeout and link down but not media-none and the board still did rx/tx and after some time i got in messages: link state changed to UP

I tried dev.skc.0.int_mod with other higher values what do not make any difference

the interface is a onboard nic on Asus A8V

skc0: <Marvell Gigabit Ethernet> port 0xb400-0xb4ff mem 0xfa500000-0xfa503fff irq 17 at device 10.0 on pci0
skc0: Marvell Yukon Lite Gigabit Ethernet rev. (0x9)
sk0: <Marvell Semiconductor, Inc. Yukon> on skc0

skc0 at pci0:10:0: class=0x020000 card=0x811a1043 chip=0x432011ab rev=0x13 hdr=0x00
    vendor   = 'Marvell Semiconductor (Was: Galileo Technology Ltd)'
    device   = '88E8001/8003/8010 Gigabit Ethernet Controller with Integrated PHY (copper)'
    class    = network
    subclass = ethernet


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