On 06 Mar 2016, at 00:30, Dimitry Andric <d...@freebsd.org> wrote: > > On 05 Mar 2016, at 22:32, Dimitry Andric <d...@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 .
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  https://svnweb.freebsd.org/changeset/base/296419
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