Re: [Qemu-devel] [PATCH for-2.3? 7/7] tests/tcg: Enable runcom test by default

[Andreas Färber]

Am 11.04.2015 um 22:22 schrieb Peter Maydell:
> On 11 April 2015 at 19:34, Andreas Färber <address@hidden> 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 The comment of it requiring root appears outdated - makes no difference.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

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