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Date:      Thu, 5 Sep 2013 08:19:24 +0200
From:      Pawel Jakub Dawidek <pjd@FreeBSD.org>
To:        Konstantin Belousov <kostikbel@gmail.com>
Cc:        svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org
Subject:   Re: svn commit: r255219 - in head: contrib/tcpdump lib/libc lib/libc/capability lib/libc/include lib/libc/sys lib/libprocstat sbin/dhclient sbin/hastd sys/amd64/linux32 sys/bsm sys/cddl/compat/opensola...
Message-ID:  <20130905061923.GA5011@garage.freebsd.pl>
In-Reply-To: <20130905061429.GD1388@garage.freebsd.pl>
References:  <201309050009.r8509vsE061271@svn.freebsd.org> <20130905024448.GO41229@kib.kiev.ua> <20130905061429.GD1388@garage.freebsd.pl>

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On Thu, Sep 05, 2013 at 08:14:29AM +0200, Pawel Jakub Dawidek wrote:
> On Thu, Sep 05, 2013 at 05:44:48AM +0300, Konstantin Belousov wrote:
> > On Thu, Sep 05, 2013 at 12:09:57AM +0000, Pawel Jakub Dawidek wrote:
> > > Author: pjd
> > > Date: Thu Sep  5 00:09:56 2013
> > > New Revision: 255219
> > > URL: http://svnweb.freebsd.org/changeset/base/255219
> >=20
> > Shortly after the boot of the updated kernel, I get:
> >=20
> > Fatal trap 12: page fault while in kernel mode
> > cpuid =3D 7; apic id =3D 07
> > fault virtual address	=3D 0x0
> > fault code		=3D supervisor read data, page not present
> > instruction pointer	=3D 0x20:0xffffffff802f685a
> > stack pointer	        =3D 0x28:0xfffffe0235d50460
> > frame pointer	        =3D 0x28:0xfffffe0235d504b0
> > code segment		=3D base 0x0, limit 0xfffff, type 0x1b
> > 			=3D DPL 0, pres 1, long 1, def32 0, gran 1
> > processor eflags	=3D interrupt enabled, resume, IOPL =3D 0
> > current process		=3D 199 (ip6addrctl)
> > [ thread pid 199 tid 100086 ]
> > Stopped at      0xffffffff802f685a =3D fget+0x2a: movq    (%rdx),%rax
> > db> bt
> > Tracing pid 199 tid 100086 td 0xfffff80005351980
> > fget() at 0xffffffff802f685a =3D fget+0x2a/frame 0xfffffe0235d504b0
> > fdesc_lookup() at 0xffffffff80e6d88d =3D fdesc_lookup+0xed/frame 0xffff=
fe0235d50510
> > VOP_LOOKUP_APV() at 0xffffffff8057b54e =3D VOP_LOOKUP_APV+0x12e/frame 0=
xfffffe0235d50560
> > lookup() at 0xffffffff803d31b0 =3D lookup+0x5a0/frame 0xfffffe0235d505f0
> > namei() at 0xffffffff803d2934 =3D namei+0x464/frame 0xfffffe0235d506c0
> > vn_open_cred() at 0xffffffff803ee78f =3D vn_open_cred+0x27f/frame 0xfff=
ffe0235d50810
> > kern_openat() at 0xffffffff803e7bfd =3D kern_openat+0x22d/frame 0xfffff=
e0235d50980
> > amd64_syscall() at 0xffffffff805387dd =3D amd64_syscall+0x28d/frame 0xf=
ffffe0235d50ab0
> > Xfast_syscall() at 0xffffffff8051f21b =3D Xfast_syscall+0xfb/frame 0xff=
fffe0235d50ab0
> > --- syscall (5, FreeBSD ELF64, sys_open), rip =3D 0x800942d6a, rsp =3D =
0x7fffffffcff8, rbp =3D 0x7fffffffd030 ---
> >=20
> > (gdb) list *fget+0x2a
> > 0xffffffff802f685a is in fget (/usr/home/kostik/work/build/bsd/DEV/src/=
sys/kern/kern_descrip.c:2385).
> >=20
> > I do not have any capsicum-related options in the kernel config.
>=20
> Do you have some local changes? Could you try to do full buildkernel?
> There were two compilation issues when CAPABILITIES option was absent in
> kernel configuration, so something isn't right is you were able to
> compile your kernel.

Forgot to mention that my test machine can boot fine with kernel
compiled without the CAPABILITIES option.

--=20
Pawel Jakub Dawidek                       http://www.wheelsystems.com
FreeBSD committer                         http://www.FreeBSD.org
Am I Evil? Yes, I Am!                     http://mobter.com

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