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 The comment of it requiring root appears outdated - makes no difference.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