lsof hangs with latest 13.0-CURRENT snapshot

[David Boyd]

On Tue, 2019-04-09 at 12:20 -0700, Rodney W. Grimes wrote:
> > After upgrading from FreeBSD-13.0-CURRENT-amd64-20190328-r345620 to
> > FreeBSD-13.0-CURRENT-amd64-20190404-r345863, lsof (4.92 from
> > packages)
> > hangs.
> > 
> > This is true for bare metal installs and virtual machine installs.
> > 
> > How to recreate:
> > 	
> > 	Install FreeBSD-13.0-CURRENT-amd64-20190404-r345863 snapshot.
> > 
> > 	as root: lsof /sbin/init
> > 
> > By running command with -b option, this error is displayed:
> > 
> > lsof: status error on /sbin/init: Resource temporarily unavailable
> > 
> > The return code is 1.
> > 
> > This probably requires adjustment to lsof, but only the FreeBSD
> > snapshot changed, so I'll start here.
> 
> Where did you get your lsof binary from?
> 
> lsof has internal knowledge of kernel data structures 
> and must be compiled to match the running system.
> 
> 
> > Thanks.
> > David Boyd.


lsof was installed via pkg install from pkg.freebsd.org.