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

On 2016-03-06 08:54, Larry Rosenman wrote:
> On 2016-03-06 08:49, Larry Rosenman wrote:
>> On 2016-03-06 08:40, Nikolai Lifanov wrote:
>>> 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 <ler_at_lerctr.org> wrote:
>>>>>> >
>>>>>> > 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
>>>>>> 
>>>>>> 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
>> 
>> still breaks for me without the dsdt override :(
> 
> +list
https://svnweb.freebsd.org/changeset/base/296428 fixes it after 
installing the new boot1.efi
-- 
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