Date: Wed, 10 Aug 2016 18:03:51 +0300 From: Konstantin Belousov <kostikbel@gmail.com> To: Matteo Riondato <matteo@FreeBSD.org> Cc: FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: Signal 12 on make update (or any target in /usrc/src) Message-ID: <20160810150351.GT83214@kib.kiev.ua> In-Reply-To: <07F8C5E5-3768-4848-A0EE-7963C8657286@FreeBSD.org> References: <72EC5BF8-C383-4F75-B47F-213613584BA7@FreeBSD.org> <20160810144139.GR83214@kib.kiev.ua> <07F8C5E5-3768-4848-A0EE-7963C8657286@FreeBSD.org>
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On Wed, Aug 10, 2016 at 10:49:40AM -0400, Matteo Riondato wrote: > > > On Aug 10, 2016, at 10:41 AM, Konstantin Belousov <kostikbel@gmail.com> wrote: > > On Wed, Aug 10, 2016 at 10:33:23AM -0400, Matteo Riondato wrote: > >> Hi all, > >> > >> I recently upgraded from a late June (pre 11-branch, as far as I can tell) revision to r303771. > >> > >> Now, running ???make update??? (or buildworld, ???) in /usr/src fails with a signal 12: > >> > >> matteo@triton:/usr/src$ sudo make update > >> Password: > >> *** Signal 12 > > > > You did not updated, I think. You, most likely, inly updated the kernel, > > but left the old userspace in place, at least libc. > > That would be surprising but it may have happened, as I don???t remember without doubts to have run installworld :/ > > > Signal 12 is SIGSYS, which means that the program tries to use a syscall > > not implemented by the kernel. My guess is that your kernel lacks option > > COMPAT_FREEBSD10, and the failing syscall is pipe(2). > > Indeed I do not have COMPAT_FREEBSD10, because I believed my previous world revision was >302092, as noted by the entry about pipe(2) in UPDATING. > > Any suggestion on how to fix this? > Boot the old kernel, add COMPAT_FREEBSD10 to kernel config, and rebuild/install world and kernel perhaps? > If old kernel works, then this would allow you to recover. Take libc.so.7 from the BETA-4, and put it into /lib, taking backup of your current libc first. I suspect this is the easiest route if old kernel does not match with your world.
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