Date: Mon, 23 May 2016 01:26:25 +0200 From: Jan Beich <jbeich@vfemail.net> To: Kurt Jaeger <lists@opsec.eu> Cc: ports@freebsd.org, Sean Bruno (maintainer) <sbruno@FreeBSD.org> Subject: Re: how to create a powerpc64 poudriere jail ? Message-ID: <iny5-65em-wny@vfemail.net> In-Reply-To: <20160522211938.GI41922@home.opsec.eu> (Kurt Jaeger's message of "Sun, 22 May 2016 23:19:38 %2B0200") References: <20160522093001.GB41922@home.opsec.eu> <20160522093156.GC41922@home.opsec.eu> <bn3x-yif4-wny@vfemail.net> <20160522211938.GI41922@home.opsec.eu>
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Kurt Jaeger <lists@opsec.eu> writes:
> [00:00:08] =3D=3D=3D=3D>> Starting jail p64-default
> [00:00:08] =3D=3D=3D=3D>> Error: Unable to execute id(1) in jail. Emulati=
on or ABI wrong.
Check foreign ABI support by running a static binary. If you see something
like the following then --magic or --mask argument (for ELF header) is wron=
g.
$ /poudriere/jails/head-powerpc64/rescue/ls
sh: /poudriere/jails/head-powerpc64/rescue/ls: Exec format error
but it may not help if dynamically linked binaries still fail
[00:00:01] =3D=3D=3D=3D>> Starting jail head-powerpc64-default
Invalid data memory access: 0x000007ec00000000
qemu: uncaught target signal 11 (Segmentation fault) - core dumped
Segmentation fault
[00:00:01] =3D=3D=3D=3D>> Error: Unable to execute id(1) in jail. Emulati=
on or ABI wrong.
> magic: 0x7f 0x45 0x4c 0x46 0x01 0x02 0x01 0x00 0x00 0x00 0x00 0x00=20
^^
This byte looks wrong. After applying the attached patch run
$ service qemu_user_static onerestart
> 0x00 0x00 0x00 0x00 0x00 0x02 0x00 0x15=20
> mask: 0xff 0xff 0xff 0xff 0xff 0xff 0xff 0x00 0xff 0xff 0xff 0xff=20
> 0xff 0xff 0xff 0xff 0xff 0xfe 0xff 0xff=20
$ hd -n20 /poudriere/jails/head-powerpc64/rescue/ls
00000000 7f 45 4c 46 02 02 01 09 00 00 00 00 00 00 00 00 |.ELF..........=
..|
00000010 00 02 00 15 |....|
00000014
Index: emulators/qemu-sbruno/files/qemu_user_static.in
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
=2D-- emulators/qemu-sbruno/files/qemu_user_static.in (revision 415647)
+++ emulators/qemu-sbruno/files/qemu_user_static.in (working copy)
@@ -98,7 +98,7 @@ list_cmd=3D"${BINMISCCTL} list"
interpreter=3D${QEMU_DIR}/${QEMU_PREFIX}ppc64${QEMU_SUFFIX}
if [ -x "${interpreter}" ]; then
${BINMISCCTL} add powerpc64 --interpreter "${interpreter}" \
=2D --magic "\x7f\x45\x4c\x46\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00=
\x00\x00\x02\x00\x15" \
+ --magic "\x7f\x45\x4c\x46\x02\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x=
00\x00\x02\x00\x15" \
--mask "\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xf=
f\xff\xfe\xff\xff" \
--size 20 --set-enabled
else
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