From owner-freebsd-current@freebsd.org Sun Mar 6 14:40:04 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 78E95AC03DF; Sun, 6 Mar 2016 14:40:04 +0000 (UTC) (envelope-from lifanov@mail.lifanov.com) Received: from mail.lifanov.com (mail.lifanov.com [206.125.175.12]) (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 58676A42; Sun, 6 Mar 2016 14:40:04 +0000 (UTC) (envelope-from lifanov@mail.lifanov.com) Received: by mail.lifanov.com (Postfix, from userid 58) id 69298239742; Sun, 6 Mar 2016 09:40:03 -0500 (EST) X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on mail.lifanov.com X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=ALL_TRUSTED,SHORTCIRCUIT shortcircuit=ham autolearn=disabled version=3.4.1 Received: from app.lifanov.com (chat.lifanov.com [206.125.175.13]) by mail.lifanov.com (Postfix) with ESMTPA id 1EB43239403; Sun, 6 Mar 2016 09:40:01 -0500 (EST) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Sun, 06 Mar 2016 09:40:00 -0500 From: Nikolai Lifanov To: Larry Rosenman Cc: Dimitry Andric , FreeBSD CURRENT , owner-freebsd-current@freebsd.org Subject: Re: HEADS UP: clang/llvm/lldb/compiler-rt 3.8.0 imported In-Reply-To: References: <06A7CAA8-1F51-4A86-97D1-F0DA938C2BC4@FreeBSD.org> <0CAC6D2A-D16B-4BD5-90F0-3A1E2F1FC375@FreeBSD.org> <613F619A-DE9E-4030-BF11-CE30465B9538@FreeBSD.org> <232E493E-9B22-4D1E-A1C8-619B573C56E1@FreeBSD.org> <20160306142032.GA4063@trivet.lerctr.org> Message-ID: <7c0070cf1cf21e8a66b0e5c4567aa0c7@mail.lifanov.com> X-Sender: lifanov@mail.lifanov.com User-Agent: Roundcube Webmail/1.1.4 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 14:40:04 -0000 On 2016-03-06 09:28, Larry Rosenman wrote: > On 2016-03-06 08:20, Larry Rosenman wrote: >> On Sun, Mar 06, 2016 at 03:15:10PM +0100, Dimitry Andric wrote: >>> On 06 Mar 2016, at 06:20, Larry Rosenman wrote: >>> > >>> > 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 >>> >>> It's pretty hard to make out, but it looks like it is panic'ing in >>> link_elf_reloc_local(). That should have been fixed with r296419, >>> but >>> maybe there is yet another edge case that wasn't fixed. Do you have >>> a >>> crash dump and/or a backtrace? Which modules are you preloading? >>> >>> -Dimitry >>> >> >> loader,conf: >> >> kern.msgbuf_clear="1" >> kern.geom.label.disk_ident.enable="0" >> kern.geom.label.gptid.enable="0" >> zfs_load="YES" >> ichsmb_load="YES" >> hwpmc_load="YES" >> aesni_load="YES" >> cryptodev_load="YES" >> dtraceall_load="YES" >> cpuctl_load="YES" >> cuse_load="YES" >> coretemp_load="YES" >> #hw.usb.quirk.0="0x0bda 0x0129 0x3960 0x3960 >> UQ_MSC_FORCE_WIRE_BBB,UQ_MSC_FORCE_PROTO_SCSI" >> #hw.usb.umass.debug="-1" >> >> I'll see if I can get a better pic with a backtrace. This crash is >> WAY early, so no dump :( >> >> >> >> acpi_dsdt_load="YES" # DSDT Overriding >> acpi_dsdt_name="/boot/dsdt.aml" >> #hw.psm.synaptics_support="1" > > new pic: http://www.lerctr.org/~ler/FreeBSD/20160306_082426.jpg I loaded everything in this list other than acpi_dsdt override. - Nikolai Lifanov