em0 watchdog timeout with nfs

[LI Xin]

Hi, Jack,

Jack Vogel wrote:
>> em0 at pci0:14:0:  class=0x020000 card=0x002e8086 chip=0x100e8086 rev=0x02
>> hdr=0x00
[...]
> The driver in 6.2 RELEASE fixed all known problems with
> watchdogs, other than REAL issues with the network/hardware.
> Have you tried installing that?

A friend of mine has reported similar problem, with different em(4)
hardware.  The server runs lighttpd on ufs, and the watchdog timeout
occurs no matter whether there is heavy traffic.

Here is some pciconf -l output which can be interesting.

[root at me /usr/local/etc]# pciconf -l|grep em
em0 at pci5:0:0:   class=0x020000 card=0x30a38086 chip=0x108b8086 rev=0x03
hdr=0x00
em1 at pci6:5:0:   class=0x020000 card=0x30a18086 chip=0x10768086 rev=0x05
hdr=0x00

Should more debugging aid / information is needed to narrow down the
issue please let us know, thanks!

Cheers,
-- 
Xin LI <delphij at delphij.net>	http://www.delphij.net/
FreeBSD - The Power to Serve!

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