From owner-svn-src-all@freebsd.org Thu Mar 24 09:32:56 2016 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 978F0AD8950; Thu, 24 Mar 2016 09:32:56 +0000 (UTC) (envelope-from jean-sebastien.pedron@dumbbell.fr) Received: from mail.made4.biz (mail.made4.biz [IPv6:2001:41d0:2:c018::1:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 59E8E1C0B; Thu, 24 Mar 2016 09:32:56 +0000 (UTC) (envelope-from jean-sebastien.pedron@dumbbell.fr) Received: from [176.158.145.63] (helo=magellan.dumbbell.fr) by mail.made4.biz with esmtpsa (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) (Exim 4.86 (FreeBSD)) (envelope-from ) id 1aj1dO-0003Ex-Sl; Thu, 24 Mar 2016 10:32:55 +0100 Subject: Re: svn commit: r297190 - head/sys/kern To: Ian Lepore , src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org References: <201603221346.u2MDk1XH029623@repo.freebsd.org> <1458662141.1091.16.camel@freebsd.org> <56F29654.8030806@dumbbell.fr> <20160323174537.GA1826@brick.home> From: =?UTF-8?Q?Jean-S=c3=a9bastien_P=c3=a9dron?= Message-ID: <56F3B441.6030602@dumbbell.fr> Date: Thu, 24 Mar 2016 10:32:49 +0100 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:38.0) Gecko/20100101 Thunderbird/38.7.0 MIME-Version: 1.0 In-Reply-To: <20160323174537.GA1826@brick.home> Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="EGL7OWBKNlKFAwc0ukdRTCA0lgv01aIS9" X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 24 Mar 2016 09:32:56 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --EGL7OWBKNlKFAwc0ukdRTCA0lgv01aIS9 Content-Type: multipart/mixed; boundary="rLG6PPVaGfT7mAe4S0tQBUwHgtrBdvfCd" From: =?UTF-8?Q?Jean-S=c3=a9bastien_P=c3=a9dron?= To: Ian Lepore , src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Message-ID: <56F3B441.6030602@dumbbell.fr> Subject: Re: svn commit: r297190 - head/sys/kern References: <201603221346.u2MDk1XH029623@repo.freebsd.org> <1458662141.1091.16.camel@freebsd.org> <56F29654.8030806@dumbbell.fr> <20160323174537.GA1826@brick.home> In-Reply-To: <20160323174537.GA1826@brick.home> --rLG6PPVaGfT7mAe4S0tQBUwHgtrBdvfCd Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable On 23/03/2016 18:45, Edward Tomasz Napierala wrote: >> So maybe callouts are disabled in this situation. If there is a way to= >> detect that, then vt(4) can go back to a "synchronous mode" where it >> refreshes the screen after each typed character, like it does when ddb= >> is active. >=20 > Looks like that's the case: for some reason the callouts don't work. > This trivial hack is a (mostly) working workaround: >=20 > Index: svn/head/sys/kern/kern_cons.c > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > --- svn/head/sys/kern/kern_cons.c (revision 297210) > +++ svn/head/sys/kern/kern_cons.c (working copy) > @@ -430,6 +430,7 @@ cngets(char *cp, size_t size, int visible) > lp =3D cp; > end =3D cp + size - 1; > for (;;) { > + pause("meh", 1); Could you please explain how this works to me? Does calling pause() here give a chance to interrupt handlers or other threads of running? --=20 Jean-S=E9bastien P=E9dron --rLG6PPVaGfT7mAe4S0tQBUwHgtrBdvfCd-- --EGL7OWBKNlKFAwc0ukdRTCA0lgv01aIS9 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQJ8BAEBCgBmBQJW87RBXxSAAAAAAC4AKGlzc3Vlci1mcHJAbm90YXRpb25zLm9w ZW5wZ3AuZmlmdGhob3JzZW1hbi5uZXQ2NzA4N0ZEMUFFQUUwRTEyREJDNkE2RjAz OUU5OTc2MUE1RkQ5NENDAAoJEDnpl2Gl/ZTMXEUQAJHPmYsvDwx3ty7gUT2lLsut 7CPy+m3DZM+uwnIl0RAA/ovJK7+p9a1U/Jul9CRLYXfWhdDD70ap3GcnmTYIH3SO Ik4HhveBOc6X1FmIo2pbTk2E5/300fDIVu/848vlILF8SKD0nMl0yWZ1x3RA/Oju q1uOR8tu8HYN2lTNT3rKdzS4pwcQzWhgGevAYy9nEjZhwwA2G2mGjH8HTYoNwtBO 4iVmSUuMc5XvWHa07zp7NSP9CH4GMEyzH3FDaB0VcPAxjbYhMfz2YaIFZPMgl1pi t74jYBL+ELIvt6T/oyhHHtxVmRj3cKYi1my5Li3NiXoBCE6g3BL53mYN674VLjr2 uuquDXt5o0lhBF15TWtRDka9vJaQYsNzUW639N0aFc1siIKtQ/phFoA/iWI6ue/k GdMnFDYBT7F0ZjbZqaIk7ejANwP4so/4NsUyIKzNDefVSZpePdoA559oP5xs+iRQ txVrNUmH49dRJJz4qKIMP0iw/P5yUHRBsf7/hvl6CtIDH/Z7jz3/WfdwPEXKDmY7 kQosSGyzv3gDb1JaGBweRQs3ffsQ2mJ2yA7wftKw7zZ0Ggqmt5obcjn4wlG9RbdJ QqJFj2cMvQiTo06pJw7nMjML7Cpo6zQjdM9W2trSruFiDh8w8NQ5aWYsvkWuzrIY M3W1166d9yD8ie6A/28U =pQXE -----END PGP SIGNATURE----- --EGL7OWBKNlKFAwc0ukdRTCA0lgv01aIS9--