Date: Thu, 21 Feb 2013 00:37:04 +0200 From: Konstantin Belousov <kostikbel@gmail.com> To: d@delphij.net Cc: FreeBSD Current <freebsd-current@freebsd.org>, Navdeep Parhar <nparhar@gmail.com> Subject: Re: -CURRENT userland regression Message-ID: <20130220223704.GU2598@kib.kiev.ua> In-Reply-To: <51254E51.1070702@delphij.net> References: <51254ACE.2030100@delphij.net> <51254C7E.9050705@gmail.com> <20130220222518.GT2598@kib.kiev.ua> <51254E51.1070702@delphij.net>
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--67BqmJg2unxe7d8V Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Feb 20, 2013 at 02:29:37PM -0800, Xin Li wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA512 >=20 > On 02/20/13 14:25, Konstantin Belousov wrote: > > On Wed, Feb 20, 2013 at 02:21:50PM -0800, Navdeep Parhar wrote: > >> On 02/20/13 14:14, Xin Li wrote: > >>> Hi, > >>>=20 > >>> It seems that fresh -HEAD would give an unusable kernel that=20 > >>> overwrites screen buffer in a way making it impossible to > >>> debug. Using an old world source to do 'make buildworld > >>> buildkernel' results in a (mostly: I have some strange USB > >>> issue right now and still looking for the cause) usable > >>> kernel. > >>>=20 > >>> For now my known good combination is world 246858 with kernel > >>> 247057. I'm still trying to find out which revision have broke > >>> the stuff. > >>=20 > >> I ran into this earlier today. Selecting "safe mode" in the boot > >> loader menu seems to work around the problem on my system. Now I > >> will not reboot until I see a fix for this in head :-) > >=20 > > How much 'the earlier today' is ? I.e., could you specify some > > revisions ? >=20 > It would take some time to bi-sect as one needs to do full > world/kernel build. The only thing I can say definitely is that > something from userland was broken within the (246858,247057] range. > I'm compiling 246957 right now. My first guess would be r247047, but I did booted the kernel+world with this change applied, on amd64. Hm, I booted on the machine with serial console. --67BqmJg2unxe7d8V Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (FreeBSD) iQIcBAEBAgAGBQJRJVAQAAoJEJDCuSvBvK1Bz4IP/iRWdTqrvcOCmCnaPxM209RZ XP1VPCkc8meIu7IDrUuIWwo1+ZisuTEvTZA+xkMOnkuFwdDBP/oElajarsBm/EN9 mHPXCxjlSRe0r56Kk5w7RX88hiMPA62e87tELhV8oe4Ge6Nu+zcezNS8+1HzFZqJ lJBzRx8vLPq2COo+UeObVrg1ZmAKZmGLJMKiLaWw/Lz1McrTrhpl+1Xm27wHFgUe yULvAgQ+Z9hk6f1QdfvYlFGfGGdAxaymU78+mt6Cd6MaRfWtxvHKTpEm6EB9KQEx J2RR0MjRbjINYJehl29b+52q9H7tTLofCDR6OVdS5XvodnD0XvyhqWdCFz5x3sXL BdXOg8pS87ezd9HghvQcxdY0CJTj8fiIaIaDzEbfM1CWVe51do4E2n82fE+eCbvL ClfyCm0JkjoJg+dHp7y0PZcaQq1ZF/D2AXD5CRrKLD90Zq8ySFZgUW4cnSR+9OPR O9Jz9Tx/eXMu/LFYfH/zbdSNFNffFatvismJN5Tk0QRTg8i3f47XbsPRddsxhijN yCrcs+d38nqWebPRawE6+/+IzPB+NmQILzsYpN6n64l0jh4qykJf8raZRLbQX0ir 2lzAsK006GfW3S9RUFRB3JFse/kiY+2Kfxq1/w+qaBRGzsDxkpW9ll/UxSND5uQt KfMnmyY0DX2CRg5zJ8mE =wYJW -----END PGP SIGNATURE----- --67BqmJg2unxe7d8V--
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