jme interface bounces up and down, up and down....

[Yonghyeon PYUN]

On Sat, Sep 13, 2014 at 07:13:44PM -0600, Brett Glass wrote:
> Everyone:
> 
> I just installed FreeBSD 10.0-RELEASE on an Asus EeeBox B202 (which 
> comes with Linux). This particular version of the product comes 
> with a JMicron gigabit Ethernet adapter that uses the jme(4) 
> driver. Because it only has one port and I need several, I've set 
> it up with multiple VLANs, which are trunked out to a little 
> Netgear VLAN switch.
> 
> Unfortunately, the interface is bouncing up and down every few minutes:
> 
> Sep 13 12:44:44 <kern.notice> testbed kernel: jme0: link state changed to UP
> Sep 13 12:44:44 <kern.notice> testbed kernel: jme0_1: link state changed to 
> UP
> Sep 13 12:44:44 <kern.notice> testbed kernel: jme0_2: link state changed to 
> UP
> Sep 13 12:44:44 <kern.notice> testbed kernel: jme0_3: link state changed to 
> UP
> Sep 13 12:50:04 <kern.notice> testbed kernel: jme0: link state changed to 
> DOWN
> Sep 13 12:50:04 <kern.notice> testbed kernel: jme0_1: link state 
> changed to DOWN
> Sep 13 12:50:04 <kern.notice> testbed kernel: jme0_2: link state 
> changed to DOWN
> Sep 13 12:50:04 <kern.notice> testbed kernel: jme0_3: link state 
> changed to DOWN
> Sep 13 12:50:43 <kern.notice> testbed kernel: jme0: link state changed to UP
> ...
> 
> The problem didn't seem to occur with the bundled Linux distro. Has 
> anyone else seen this problem? Know of a fix?
> 

Would you show me the output of dmesg(jme(4) and jmphy(4) only) to
know exact chip revision?