Date: Sun, 06 Mar 2016 10:17:40 -0600 From: Larry Rosenman <ler@lerctr.org> To: Nikolai Lifanov <lifanov@mail.lifanov.com> Cc: Freebsd current <freebsd-current@freebsd.org>, owner-freebsd-current@freebsd.org Subject: Re: HEADS UP: clang/llvm/lldb/compiler-rt 3.8.0 imported Message-ID: <8e5b5bbb0050e7531259487a8a0bddf2@thebighonker.lerctr.org> In-Reply-To: <eab07a6968ec47d43df8120cdc3c2650@thebighonker.lerctr.org> References: <06A7CAA8-1F51-4A86-97D1-F0DA938C2BC4@FreeBSD.org> <0CAC6D2A-D16B-4BD5-90F0-3A1E2F1FC375@FreeBSD.org> <613F619A-DE9E-4030-BF11-CE30465B9538@FreeBSD.org> <da31cf727bd0e074addc5e8a247ec784@thebighonker.lerctr.org> <232E493E-9B22-4D1E-A1C8-619B573C56E1@FreeBSD.org> <20160306142032.GA4063@trivet.lerctr.org> <fc2452c629b68f8ef78dfe553cd2852e@thebighonker.lerctr.org> <7c0070cf1cf21e8a66b0e5c4567aa0c7@mail.lifanov.com> <cd3726c2c897fa628a9b487d90b94881@thebighonker.lerctr.org> <eab07a6968ec47d43df8120cdc3c2650@thebighonker.lerctr.org>
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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@lerctr.org> wrote: >>>>>> > >>>>>> > On 2016-03-05 18:46, Dimitry Andric wrote: >>>>>> >> On 06 Mar 2016, at 00:30, Dimitry Andric <dim@FreeBSD.org> wrote: >>>>>> >>> On 05 Mar 2016, at 22:32, Dimitry Andric <dim@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@lerctr.org US Mail: 7011 W Parmer Ln, Apt 1115, Austin, TX 78729-6961
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