Re: HEADS UP: clang/llvm/lldb/compiler-rt 3.8.0 imported

From: Larry Rosenman <ler_at_lerctr.org>
Date: Sat, 05 Mar 2016 23:20:18 -0600
On 2016-03-05 18:46, Dimitry Andric wrote:
> On 06 Mar 2016, at 00:30, Dimitry Andric <dim_at_FreeBSD.org> wrote:
>> 
>> On 05 Mar 2016, at 22:32, Dimitry Andric <dim_at_FreeBSD.org> 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_at_lerctr.org
US Mail: 7011 W Parmer Ln, Apt 1115, Austin, TX 78729-6961
Received on Sun Mar 06 2016 - 04:20:19 UTC

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