Date: Sun, 06 Mar 2016 09:40:00 -0500 From: Nikolai Lifanov <lifanov@mail.lifanov.com> To: Larry Rosenman <ler@lerctr.org> Cc: Dimitry Andric <dim@freebsd.org>, 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: <7c0070cf1cf21e8a66b0e5c4567aa0c7@mail.lifanov.com> In-Reply-To: <fc2452c629b68f8ef78dfe553cd2852e@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>
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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
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