On Jun 18, 2016, at 2:50 AM, Maxim Sobolev <sobo...@freebsd.org> wrote:

> Updated my BBB to the latest -current, immediately got this while trying to
> make world over ssh console:
> 06:02:17 CPSW watchdog cpswss0: watchdog timeout
> cpswss0: Unable to cleanly shutdown transmitter
> Interface seems to be locked after that, no traffic comes in or out.
> This is:
> FreeBSD 11.0-ALPHA3 #1 ba7edef(tps65217x)-dirty: Fri Jun 17 16:22:07 PDT
> 2016, svn revision 301898
> The previous version that was rock-solid was:
> FreeBSD 11.0-CURRENT #0 9d390ee(tps65217x)-dirty: Mon Jul  6 19:31:30 PDT
> 2015, svn revision 284878
> I've been running buildworlds for literally days on that board, because
> it's how long it takes to build on that hardware. :)
> I'll run it again and see if the issue re-appears.
> If anyone seen this or if it's known issue please let me know.

I have experienced this problem recently, too, after updating to 11.0-ALPHA3.  
I get the watchdog timeout messages you give above when trying to buildworld 
with /usr/src and /usr/obj mounted via NFS.

My last successful build that did not have this problem is this one: FreeBSD 
beaglebone 11.0-ALPHA2 FreeBSD 11.0-ALPHA2 #0 r301779: Mon Jun 13 01:30:05 EDT 
2016     pmather@beaglebone:/usr/obj/usr/src/sys/BEAGLEBONE-NO_WITNESS  arm

The build where this started happening for me is this one: FreeBSD 11.0-ALPHA3 
#0 r301876: Wed Jun 15 14:23:28 EDT 2016

That's just two days apart.  Maybe that might help track down the potential 
revision that caused the problem.  I've not been able to buildworld via NFS 
since the problem began, so I've reverted back to the r301779 kernel for now.



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