Re: Problem with re(4) Ethernet driver has resurfaced in 11-STABLE and HEAD

On Mon, 22 May 2017 10:55:46 +0900
YongHyeon PYUN <pyunyh_at_gmail.com> wrote:


Just for my curiosity: do you have "options FLOWTABLE" defined in your kernel
config?

> On Sun, May 21, 2017 at 09:29:42AM +0000, Thomas Mueller wrote:
> > from YongHyeon PYUN:
> >   
> > > [removed stable_at_ from CC]  
> >   
> > > > I recently updated my 10.1-STABLE to 11.0-STABLE and find I can no
> > > > longer connect with the Ethernet.  
> >   
> > > > dhclient re0 produces  
> >   
> > > > DHCPDISCOVER on re0 to 255.255.255.255 port 67 interval 4
> > > > DHCPDISCOVER on re0 to 255.255.255.255 port 67 interval 11
> > > > DHCPDISCOVER on re0 to 255.255.255.255 port 67 interval 19
> > > > DHCPDISCOVER on re0 to 255.255.255.255 port 67 interval 7
> > > > DHCPDISCOVER on re0 to 255.255.255.255 port 67 interval 14
> > > > DHCPDISCOVER on re0 to 255.255.255.255 port 67 interval 5
> > > > No DHCPOFFERS received.
> > > > No working leases in persistent database - sleeping.  
> > 
> >   
> > > If you assign an static IPv4 address to re(4) are you able to use
> > > the network interface?  
> >   
> > > AFAIK there was no significant re(4) changes for a long time. Could
> > > you show us back trace information?  
> > 
> > Problem with re(4) reappeared in both 11.0-STABLE and HEAD, but OK to trim
> > stable_at_ since changes/fixes would go to HEAD first.
> > 
> > No connection with static IPv4 address. 
> > 
> > Where do I get back trace information?
> >   
> 
> https://www.freebsd.org/doc/en/books/developers-handbook/kerneldebug.html
> 
> > Problem was more severe with HEAD in that OS immediately crashed into
> > debugger, while in 11.0-STABLE, only the connection failed but may have
> > left memory unstable. 
> 
> I guess you have two issues. No connection with static IPv4 address
> and kernel crash.  Couldn't you obtain a kernel crash dump when you
> encounter kernel panic? If this is no crash dump you probably have
> some missing kernel configuration.
> 
> > I can still connect on that computer with Hiro H50191 USB wireless adapter,
> > driver rsu.
> > 
> > Tom
> >   
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