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Date:      Wed, 17 Oct 2018 16:58:40 -0700
From:      Mark Millard <marklmi@yahoo.com>
To:        FreeBSD Current <freebsd-current@freebsd.org>, FreeBSD PowerPC ML <freebsd-ppc@freebsd.org>
Subject:   head -r339076 based powerpc64 context: fatal kernel trap Stopped at lock_init+0x78 stw r9,0x8(r3)
Message-ID:  <99B35B13-29AA-406D-941B-95408C603FEF@yahoo.com>

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On a powerpc64 with builworld buildkernel built via
devel/powerpc64-xtoolchain-gcc for head -r339076
(some source adjustments), and a system-cc-is-clang
I attempted a:

# kyua test -k /usr/tests/Kyuafile

It got to:

sys/netinet/reuseport_lb:basic_ipv4  ->  failed: =
/usr/src/tests/sys/netinet/reuseport_lb.c:165: bind() failed: Address =
already in use  [0.014s]
sys/netinet/reuseport_lb:basic_ipv6  ->  failed: =
/usr/src/tests/sys/netinet/reuseport_lb.c:221: bind() failed: Address =
already in use  [0.014s]
sys/netipsec/tunnel/aes_cbc_128_hmac_sha1:v4  -> =20

and then the system crashed. I am re-running to
see what happens.

The context has a non-debug kernel (but with
symbols).

Hand transcribed from a picture . . .

fatal kernel trap:

exception       =3D 0x300 (data storage interrupt)
virtual address =3D 0xbfffffffffba8530
dsisr           =3D 0x42000000
srr0            =3D 0x72b054
srr1            =3D 0x9000000000009032
current msr     =3D 0x9000000000009032
lr              =3D 0x69948c
curthread       =3D 0xc000000036f7f000
pid =3D 12798, comm =3D ifconfig

[ thread pid 12798 tid 100312 ]
Stopped at lock_init+0x78 stw r9,0x8(r3)
db:0:kdb.enter.default> bt
Tracing pid 12798 tid 100312 td 0xc000000036f7f000
0xe00000004646e330: at 0xe00000004646e36c
0xe00000004646e360: at epair_modevent+0xf0
0xe00000004646e410: at module_register_init+0xe8
0xe00000004646e4a0: at linker_laod_module+0x6f8
0xe00000004646e580: at kern_kldload+0x150
0xe00000004646e5e0: at sys_kldload+0xb80
0xe00000004646e630: at trap+0xef4
0xe00000004646e790: at powerpc_interrupt+0x12c
0xe00000004646e820: user sc trap by 0x81017fcf8
srr1 =3D 0x900000000000f032
r1   =3D 0x3fffffffffffcfe0
cr   =3D 0x28022482
xer  =3D 0x20000000
ctr  =3D 0x81017fcf0
r2   =3D 0x810336300


# uname -apKU
FreeBSD FBSDG5L 12.0-ALPHA8 FreeBSD 12.0-ALPHA8 #4 r339076M: Mon Oct 15 =
13:19:35 PDT 2018     =
markmi@FBSDG5L:/usr/obj/powerpc64vtsc_xtoolchain-gcc/powerpc.powerpc64/usr=
/src/powerpc.powerpc64/sys/GENERIC64vtsc-NODBG  powerpc powerpc64 =
1200084 1200084

ports was at -r480180.



=3D=3D=3D
Mark Millard
marklmi at yahoo.com
( dsl-only.net went
away in early 2018-Mar)




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