From owner-freebsd-ppc@FreeBSD.ORG Sat Aug 6 19:02:12 2011 Return-Path: Delivered-To: freebsd-ppc@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 81B59106564A; Sat, 6 Aug 2011 19:02:11 +0000 (UTC) (envelope-from superbisquit@gmail.com) Received: from mail-pz0-f45.google.com (mail-pz0-f45.google.com [209.85.210.45]) by mx1.freebsd.org (Postfix) with ESMTP id 546018FC0C; Sat, 6 Aug 2011 19:02:11 +0000 (UTC) Received: by pzk33 with SMTP id 33so4021074pzk.18 for ; Sat, 06 Aug 2011 12:02:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=VS9ch1hTpQiGmP3O35Y73eQz4AqQK186F9Xc8VMc1uA=; b=INcRGEOaQSox7PqXuUARJfbg0ZYff9/imqMEX9lZLF9T7rwj6H56q7YBB88WtRqXPI QffsFBOiOp2h7/rRD0AJqPOiCRRGgoq7XVoshKfx+Cw2tWcC23fqPuE6a1QUEHiOoHck QzgArBikGy4RFuZjcwt9szvkl6e3gE7Z5p87c= MIME-Version: 1.0 Received: by 10.142.215.4 with SMTP id n4mr3700917wfg.187.1312657330646; Sat, 06 Aug 2011 12:02:10 -0700 (PDT) Received: by 10.68.57.36 with HTTP; Sat, 6 Aug 2011 12:02:10 -0700 (PDT) In-Reply-To: <4E3D5FA6.80207@freebsd.org> References: <4E3D5FA6.80207@freebsd.org> Date: Sat, 6 Aug 2011 15:02:10 -0400 Message-ID: From: Super Bisquit To: Nathan Whitehorn Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: freebsd-ppc@freebsd.org Subject: Re: Lags and setjmp X-BeenThere: freebsd-ppc@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Porting FreeBSD to the PowerPC List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 06 Aug 2011 19:02:12 -0000 On Sat, Aug 6, 2011 at 11:37 AM, Nathan Whitehorn wrote: > On 08/05/11 10:47, Super Bisquit wrote: > >> The file /usr/src/sys/powerpc/powerpc/**setjmp.S has >> >> #ifdef __powerpc64__ >> >> at line nine. Maybe this is affecting the system because: >> the lag seems to occur on Xorg/Xserver with the cursor having to be moved >> before there is a response. >> I'm wondering if setting the vale to powerpc instead of powerpc64 would >> stop >> this action. >> >> > It wouldn't for the reason Justin said, and this file only applies to the > kernel besides. I've also never experienced this bug you're referring to. Is > X using longjmp/setjmp() internally? One thing we do not do is save/restore > FP registers for long jumps. It's not required by the spec, but Linux does > do it. > -Nathan > > ______________________________**_________________ > freebsd-ppc@freebsd.org mailing list > http://lists.freebsd.org/**mailman/listinfo/freebsd-ppc > To unsubscribe, send any mail to "freebsd-ppc-unsubscribe@**freebsd.org > " > How's it going? Anyway, I'm not sure. I'll restart X with a more verbose output and will attach the file next reply. I'm curious, what machines are you using for the 9.0 PowerPC ?