sk0: watchdog timeout

Bjoern A. Zeeb bzeeb-lists at
Fri May 5 20:30:11 UTC 2006

On Fri, 5 May 2006, Wilko Bulte wrote:

> On Fri, May 05, 2006 at 01:03:55PM -0400, Miles Lubin wrote..
>> My motherboard has a built-in ethernet port that is handled by the sk
>> driver. I'm running FreeBSD 6.1-RC on amd64. When the network card is
>> under high load, it often kills any current connections and leaves the
>> message "sk0: watchdog timeout" in dmesg. I've seen previous posts on this
>> issue, but the problem doesn't seem to be resolved. This issue makes these
>> network cards unusable in production environments.
>> Relevent dmesg output:
>> skc0: <Marvell Gigabit Ethernet> port 0xa000-0xa0ff mem
>> 0xfbb00000-0xfbb03fff ir
>> q 17 at device 10.0 on pci0
>> skc0: Marvell Yukon Lite Gigabit Ethernet rev. (0x9)
>> sk0: <Marvell Semiconductor, Inc. Yukon> on skc0
> I had a similar event last night, on a P4 on an Asus P4P800.  The current
> driver is much less prone to this lockup problem than it used to be.  In my
> case it does not have to be in a high-load situation, it appears to happen
> rather randomly (and *very* infrequently)
> 4 22:37:22 CEST 2006

The updated driver has been in HEAD for some days and the problem
should be fixed there thanks to Pyun. See last commits to src/sys/dev/sk/*

Bjoern A. Zeeb				bzeeb at Zabbadoz dot NeT

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