From owner-freebsd-current@freebsd.org Sun Mar 6 05:20:19 2016 Return-Path: Delivered-To: freebsd-current@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 61B809DAE8C; Sun, 6 Mar 2016 05:20:19 +0000 (UTC) (envelope-from ler@lerctr.org) Received: from thebighonker.lerctr.org (thebighonker.lerctr.org [IPv6:2001:470:1f0f:3ad:223:7dff:fe9e:6e8a]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "thebighonker.lerctr.org", Issuer "COMODO RSA Domain Validation Secure Server CA" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 405E1319; Sun, 6 Mar 2016 05:20:19 +0000 (UTC) (envelope-from ler@lerctr.org) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lerctr.org; s=lerami; h=Message-ID:References:In-Reply-To:Subject:Cc:To:From:Date: Content-Transfer-Encoding:Content-Type:MIME-Version; bh=wVcvegd2NIRepV/rvhSz3epUXoKITnwvPCwCxNFGSvY=; b=QYluKxxiuX1HK8r17BFg5XMj0y rWlbddy9glsWvMWhl+em3h6wFpRrp+paUj0594P9FrNAD2nzIwjN7FNb7GRFdMEAPKTOUvnY3GWgj Bfj+FQGmozjJ3hOe/YDiu1LCooZzjS4WWFqFp2PXy57Jfja7Skva657mBex2FQv35Tnc=; Received: from thebighonker.lerctr.org ([2001:470:1f0f:3ad:223:7dff:fe9e:6e8a]:34260 helo=webmail.lerctr.org) by thebighonker.lerctr.org with esmtpsa (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) (Exim 4.86_2 (FreeBSD)) (envelope-from ) id 1acR74-000MoZ-Bt; Sat, 05 Mar 2016 23:20:18 -0600 Received: from 2605:6000:ec17:200:a93e:2e53:9aeb:5dd2 by webmail.lerctr.org with HTTP (HTTP/1.1 POST); Sat, 05 Mar 2016 23:20:18 -0600 MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Sat, 05 Mar 2016 23:20:18 -0600 From: Larry Rosenman To: Dimitry Andric Cc: freebsd-current@freebsd.org, owner-freebsd-current@freebsd.org Subject: Re: HEADS UP: clang/llvm/lldb/compiler-rt 3.8.0 imported In-Reply-To: <613F619A-DE9E-4030-BF11-CE30465B9538@FreeBSD.org> References: <06A7CAA8-1F51-4A86-97D1-F0DA938C2BC4@FreeBSD.org> <0CAC6D2A-D16B-4BD5-90F0-3A1E2F1FC375@FreeBSD.org> <613F619A-DE9E-4030-BF11-CE30465B9538@FreeBSD.org> Message-ID: X-Sender: ler@lerctr.org User-Agent: Roundcube Webmail/1.1.4 X-Spam-Score: -1.0 (-) X-LERCTR-Spam-Score: -1.0 (-) X-Spam-Report: SpamScore (-1.0/5.0) ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 X-LERCTR-Spam-Report: SpamScore (-1.0/5.0) ALL_TRUSTED=-1, SHORTCIRCUIT=-0.0001 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 06 Mar 2016 05:20:19 -0000 On 2016-03-05 18:46, Dimitry Andric wrote: > On 06 Mar 2016, at 00:30, Dimitry Andric wrote: >> >> On 05 Mar 2016, at 22:32, Dimitry Andric wrote: >>> >>> I imported the (tentative) 3.8.0 release of clang, llvm, lldb and >>> compiler-rt into head, in r296417. The upstream release is going to >>> be >>> very soon now, but I do not expect any changes anymore. >>> >>> This was tested with make universe, and a few exp-runs, but there is >>> always a chance that you might run into something unexpected, either >>> with the base system or ports. In such cases, please file bugs, and >>> make sure you note somewhere in the description that it is related to >>> this import. >> >> Please hold off upgrading for now, if you are on amd64, and loading >> the >> aesni.ko module. It appears that loading this module can cause the >> kernel ELF linker to panic, but it is not yet clear why. This is >> being >> tracked in PR207729 [1]. > > It should be safe again after r296419. Thanks to Kostik Belousov for > the quick fix. (Clang 3.8.0 generates a different type for unwind > sections on amd64, and this was unexpected in the kernel linker.) > > -Dimitry > > [1] https://svnweb.freebsd.org/changeset/base/296419 I'm getting a crash at startup (mi_startup) with a clang 3.8.0 kernel. Picture at: http://www.lerctr.org/~ler/FreeBSD/20160305_225532.jpg -- Larry Rosenman http://www.lerctr.org/~ler Phone: +1 214-642-9640 E-Mail: ler@lerctr.org US Mail: 7011 W Parmer Ln, Apt 1115, Austin, TX 78729-6961