From: "Andreas Färber" <afaerber@suse.de>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: QEMU Developers <qemu-devel@nongnu.org>,
Richard Henderson <rth@twiddle.net>
Subject: Re: [Qemu-devel] [PATCH for-2.3? 7/7] tests/tcg: Enable runcom test by default
Date: Sat, 11 Apr 2015 22:28:08 +0200 [thread overview]
Message-ID: <552983D8.70904@suse.de> (raw)
In-Reply-To: <CAFEAcA_=rO28c8n4iVXnKVd7qfun_RwvqtNW7P8Uu2tmfkxfTg@mail.gmail.com>
Am 11.04.2015 um 22:22 schrieb Peter Maydell:
> On 11 April 2015 at 19:34, Andreas Färber <afaerber@suse.de> wrote:
>> The comment of it requiring root appears outdated - makes no difference.
>
> This depends on what your system has set for the tunable
> /proc/sys/vm/mmap_min_addr. On my system it is 65536 (I think
> Ubuntu and Debian ship like this), and in that case you can't
> mmap MAP_FIXED to address zero unless you're root (tested with
> a little C program that does the same mmap that runcom does).
Hm,
$ cat /proc/sys/vm/mmap_min_addr
65536
Are you sure that QEMU / runcom / pi_10.com still try to map to that
address zero?
Regards,
Andreas
--
SUSE Linux GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany
GF: Felix Imendörffer, Jane Smithard, Jennifer Guild, Dilip Upmanyu,
Graham Norton; HRB 21284 (AG Nürnberg)
next prev parent reply other threads:[~2015-04-11 20:28 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-11 18:34 [Qemu-devel] [PATCH for-2.3? 0/7] tests: Fix TCG make test Andreas Färber
2015-04-11 18:34 ` [Qemu-devel] [PATCH for-2.3? 1/7] tests/tcg: Fix test_path build Andreas Färber
2015-04-13 11:57 ` Alex Bennée
2015-04-11 18:34 ` [Qemu-devel] [PATCH for-2.3? 2/7] tests/tcg: Fix linux-test build Andreas Färber
2015-04-13 15:34 ` Alex Bennée
2015-04-11 18:34 ` [Qemu-devel] [PATCH for-2.3? 3/7] tests/tcg: Disable hanging test-mmap runs Andreas Färber
2015-04-11 18:34 ` [Qemu-devel] [PATCH for-2.3? 4/7] tests/tcg: Fix running x86_64 tests Andreas Färber
2015-04-13 15:35 ` Alex Bennée
2015-04-11 18:34 ` [Qemu-devel] [PATCH for-2.3? 5/7] tests/tcg: Fix run-runcom target Andreas Färber
2015-04-13 15:36 ` Alex Bennée
2015-04-11 18:34 ` [Qemu-devel] [PATCH for-2.3? 6/7] tests/tcg: Prettify run-runcom output Andreas Färber
2015-04-13 15:37 ` Alex Bennée
2015-04-13 15:38 ` Peter Maydell
2015-04-11 18:34 ` [Qemu-devel] [PATCH for-2.3? 7/7] tests/tcg: Enable runcom test by default Andreas Färber
2015-04-11 20:22 ` Peter Maydell
2015-04-11 20:28 ` Andreas Färber [this message]
2015-04-11 21:33 ` Peter Maydell
2015-04-11 21:46 ` Andreas Färber
2015-04-12 8:34 ` Alexander Graf
2015-04-12 8:39 ` Andreas Färber
2015-04-12 11:45 ` Peter Maydell
2015-04-13 11:36 ` [Qemu-devel] [PATCH for-2.3? 0/7] tests: Fix TCG make test Peter Maydell
2015-04-13 14:00 ` Peter Maydell
2015-06-24 14:19 ` Andreas Färber
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