From mboxrd@z Thu Jan 1 00:00:00 1970 MIME-Version: 1.0 Sender: geert.uytterhoeven@gmail.com In-Reply-To: <10f740e80903060150p565e9703u81d4fe47cb599ab@mail.gmail.com> References: <200903060042.19084.rob@landley.net> <20090306084848.GO22605@hack.private> <10f740e80903060150p565e9703u81d4fe47cb599ab@mail.gmail.com> Date: Fri, 6 Mar 2009 10:51:12 +0100 Message-ID: <10f740e80903060151w779bbd11ld2fcc437ac7ac321@mail.gmail.com> Subject: Re: [PATCH] Fix ARCH=um segfault on x86-64. From: Geert Uytterhoeven Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable To: =?UTF-8?Q?Am=C3=A9rico_Wang?= Cc: Rob Landley , user-mode-linux-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org List-ID: On Fri, Mar 6, 2009 at 10:50, Geert Uytterhoeven wro= te: > On Fri, Mar 6, 2009 at 09:48, Am=C3=A9rico Wang wrote: >> On Fri, Mar 06, 2009 at 12:42:14AM -0600, Rob Landley wrote: >>>Apparently, nobody other than me has ever attempted to use User Mode Lin= ux >>>built from 2.6.28 on x86-64, because it doesn't work. =C2=A0It still doe= sn't work >>>in current git. =C2=A0I complained about it not working back in January: >>> >>>http://sourceforge.net/mailarchive/forum.php?thread_name=3D200901130159.= 04389.rob%40landley.net&forum_name=3Duser- >>>mode-linux-devel >>>http://lkml.indiana.edu/hypermail/linux/kernel/0901.2/00669.html >>> >>>And today, I bothered to track down why. >>> >>>This is the commit that broke it, when Peter Anvin merged x86 and x86-64= for >>>ARCH=3Dum: http://kernel.org/hg/linux-2.6/rev/117978 >>> >>>Here's a patch that fixes it for me: >> >> Thanks, Bob! > > I've just did a build of plain v2.6.28 on amd64 aka x86-64. The > resulting image ran fine. So I'm wondering: why does it work for me and not for you? Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k= .org In personal conversations with technical people, I call myself a hacker. Bu= t when I'm talking to journalists I just say "programmer" or something like t= hat. -- Linus Torvalds