Date: Tue, 22 Mar 2016 19:50:25 -0600 From: Ian Lepore <ian@freebsd.org> To: Warner Losh <imp@bsdimp.com>, Rick Macklem <rmacklem@uoguelph.ca> Cc: Edward Tomasz Napierala <trasz@freebsd.org>, src-committers <src-committers@freebsd.org>, "svn-src-all@freebsd.org" <svn-src-all@freebsd.org>, "svn-src-head@freebsd.org" <svn-src-head@freebsd.org> Subject: Re: svn commit: r297190 - head/sys/kern Message-ID: <1458697825.1091.28.camel@freebsd.org> In-Reply-To: <CANCZdfpqokV%2Brx3Z=2Obwh8THj3UbhBUGrG4G8v96NCVOvqRRw@mail.gmail.com> References: <201603221346.u2MDk1XH029623@repo.freebsd.org> <1458662141.1091.16.camel@freebsd.org> <1614105839.27686393.1458695637184.JavaMail.zimbra@uoguelph.ca> <CANCZdfpqokV%2Brx3Z=2Obwh8THj3UbhBUGrG4G8v96NCVOvqRRw@mail.gmail.com>
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On Tue, 2016-03-22 at 19:28 -0600, Warner Losh wrote: > On Tue, Mar 22, 2016 at 7:13 PM, Rick Macklem <rmacklem@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
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