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Re: [Qemu-devel] [PATCH RFC 8/9] tests: Add OpenBSD image
From: |
Thomas Huth |
Subject: |
Re: [Qemu-devel] [PATCH RFC 8/9] tests: Add OpenBSD image |
Date: |
Fri, 25 Jan 2019 07:24:17 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 |
On 2019-01-25 01:48, Brad Smith wrote:
> On 1/24/2019 11:52 AM, Daniel P. Berrangé wrote:
>
>> On Thu, Jan 24, 2019 at 05:10:19PM +0100, Philippe Mathieu-Daudé wrote:
>>> On 1/24/19 4:56 PM, Kamil Rytarowski wrote:
>>>> On 24.01.2019 16:52, Philippe Mathieu-Daudé wrote:
>>>>> On 8/16/17 9:21 AM, Fam Zheng wrote:
>>>>>> The image is prepared following instructions as in:
>>>>>>
>>>>>> https://wiki.qemu.org/Hosts/BSD
>>>>>>
>>>>>> Signed-off-by: Fam Zheng <address@hidden>
>>>>>> ---
>>>>>> tests/vm/openbsd | 45 +++++++++++++++++++++++++++++++++++++++++++++
>>>>>> 1 file changed, 45 insertions(+)
>>>>>> create mode 100755 tests/vm/openbsd
>>>>>>
>>>>>> diff --git a/tests/vm/openbsd b/tests/vm/openbsd
>>>>>> new file mode 100755
>>>>>> index 0000000000..d37ff83a59
>>>>>> --- /dev/null
>>>>>> +++ b/tests/vm/openbsd
>>>>>> @@ -0,0 +1,45 @@
>>>>>> +#!/usr/bin/env python
>>>>>> +#
>>>>>> +# OpenBSD VM image
>>>>>> +#
>>>>>> +# Copyright (C) 2017 Red Hat Inc.
>>>>>> +#
>>>>>> +# Authors:
>>>>>> +# Fam Zheng <address@hidden>
>>>>>> +#
>>>>>> +# This work is licensed under the terms of the GNU GPL, version
>>>>>> 2. See
>>>>>> +# the COPYING file in the top-level directory.
>>>>>> +#
>>>>>> +
>>>>>> +import os
>>>>>> +import sys
>>>>>> +import logging
>>>>>> +import subprocess
>>>>>> +import tempfile
>>>>>> +import time
>>>>>> +import basevm
>>>>>> +
>>>>>> +class OpenBSDVM(basevm.BaseVM):
>>>>>> + name = "openbsd"
>>>>>> + BUILD_SCRIPT = """
>>>>>> + set -e;
>>>>>> + cd $(mktemp -d /var/tmp/qemu-test.XXXXXX);
>>>>>> + tar -xf /dev/rsd1c;
>>>>>> + ./configure --cc=x86_64-unknown-openbsd6.1-gcc-4.9.4
>>>>>> --python=python2.7 {configure_opts};
>>>>>> + gmake -j{jobs};
>>>>>> + # XXX: "gmake check" seems to always hang or fail
>>>>>> + #gmake check;
>>>>> OK, Now it makes more sense...
>>>>>
>>>>> After spending various hours trying to fix various issues on
>>>>> OpenBSD, I
>>>>> notice that we never ran tests on this OS.
>>>>> The only binary I can run is qemu-img, the rest seems useless.
>>>>> I'll summarize in a different thread.
>>>>>
>>>> Is this W^X related?
>>> Part of it could be but I'm not sure.
>>>
>>> The 6.1 VM provided by Fam has /usr/local mounted with wxallowed, I
>>> tried building/running there and nothing changed, mmap() still returns
>>> ENOTSUP:
>> ENOTSUP from mmap is certainly what you'd expect from the W^X scenario
>>
>> https://undeadly.org/cgi?action=article&sid=20160527203200
>>
>> "W^X violations are no longer permitted by default. A kernel log
>> message
>> is generated, and mprotect/mmap return ENOTSUP. If the sysctl(8) flag
>> kern.wxabort is set then a SIGABRT occurs instead, for gdb use or
>> coredump
>> creation."
>
> Yes, this policy change was introduced with 6.0.
>
> Our ports tree has an option which results in the QEMU binaries being
> linked with "-z wxneeded".
Then it's maybe high time to send such changes upstream now ;-)
Thomas
- Re: [Qemu-devel] [PATCH RFC 8/9] tests: Add OpenBSD image, Philippe Mathieu-Daudé, 2019/01/24
- Re: [Qemu-devel] [PATCH RFC 8/9] tests: Add OpenBSD image, Kamil Rytarowski, 2019/01/24
- Re: [Qemu-devel] [PATCH RFC 8/9] tests: Add OpenBSD image, Philippe Mathieu-Daudé, 2019/01/24
- Re: [Qemu-devel] [PATCH RFC 8/9] tests: Add OpenBSD image, Daniel P . Berrangé, 2019/01/24
- Re: [Qemu-devel] [PATCH RFC 8/9] tests: Add OpenBSD image, Brad Smith, 2019/01/24
- Re: [Qemu-devel] [PATCH RFC 8/9] tests: Add OpenBSD image,
Thomas Huth <=
- Re: [Qemu-devel] [PATCH RFC 8/9] tests: Add OpenBSD image, Brad Smith, 2019/01/25
- Re: [Qemu-devel] [PATCH RFC 8/9] tests: Add OpenBSD image, Peter Maydell, 2019/01/25
- Re: [Qemu-devel] [PATCH RFC 8/9] tests: Add OpenBSD image, Philippe Mathieu-Daudé, 2019/01/25
- Re: [Qemu-devel] [PATCH RFC 8/9] tests: Add OpenBSD image, Philippe Mathieu-Daudé, 2019/01/25
Re: [Qemu-devel] [PATCH RFC 8/9] tests: Add OpenBSD image, Peter Maydell, 2019/01/24