svn commit: r297190 - head/sys/kern

[Ian Lepore]

On Tue, 2016-03-22 at 19:28 -0600, Warner Losh wrote:
> On Tue, Mar 22, 2016 at 7:13 PM, Rick Macklem <rmacklem at uoguelph.ca>
> wrote:
> 
> > Ian Lepore wrote:
> > > On Tue, 2016-03-22 at 13:46 +0000, Edward Tomasz Napierala wrote:
> > > > Author: trasz
> > > > Date: Tue Mar 22 13:46:01 2016
> > > > New Revision: 297190
> > > > URL: https://svnweb.freebsd.org/changeset/base/297190
> > > > 
> > > > Log:
> > > >   Wait for root mount tokens before showing the root mount
> > > > prompt.
> > > >   This restores the pre-r290196 behaviour, eliminating the need
> > > > to
> > manually
> > > >   press '.' a couple of times to get USB to finish probing.
> > > > 
> > > >   Note that there's still something wrong with the console
> > > > (character
> > > >   echoing doesn't quite work), and there's also a reported
> > > > problem with
> > > >   BHyVe, but those two don't seem related to the problem above.
> > > 
> > > Just a datapoint on the echoing... it works fine on a serial
> > > console,
> > > it's been years since I've seen glitches at the mountroot prompt.
> > >   So
> > > the problem may be in vt or kbdmux.
> > > 
> > When I had a console character echo problem (not serial), changing
> > the
> > clock source to RTC fixed it.
> > 
> 
> I fixed this for the UART code a while ago in r260890. Maybe a
> similar fix
> is needed here? Basically, is the data being consumed by the
> interrupt
> handler before we can poll-read it...
> 
> Warner

Your cngrab fixes were only for uart?  Or was it some other fix?

-- Ian