Hi Jim, You say "take the mem= parameter for your largest guest, divide by 2^16 > (65536) and round up by 1 if necessary". Can you send a example for mem=512.
Thank. Le vendredi 11 Mars 2005 18:42, Jim Carter a écrit : > On Fri, 11 Mar 2005, Jean-Michel Caricand wrote: > > > I have 4go on my server. Only 800 mo are use. When I launch a uml > > instance with mem=256M param that work fine. But when launch a uml > > instance with mem=512M, I get this message : SegFault .... > > 4go means quatre giga-octets, right? > > As a defense against denial of service, there's a limit of 2^16 memory map > zones per process. This interacts badly with UML, for which each 2^12 > bytes is a separate zone, for a max of 2^24 bytes (256 MB). To raise the > limit, take the mem= parameter for your largest guest, divide by 2^16 > (65536) and round up by 1 if necessary. Echo the resulting number (or a > convenient higher number) into /proc/sys/vm/max_map_count. > > James F. Carter Voice 310 825 2897 FAX 310 206 6673 > UCLA-Mathnet; 6115 MSA; 405 Hilgard Ave.; Los Angeles, CA, USA 90095-1555 > Email: [EMAIL PROTECTED] http://www.math.ucla.edu/~jimc (q.v. for PGP key) > > > ------------------------------------------------------- > SF email is sponsored by - The IT Product Guide > Read honest & candid reviews on hundreds of IT Products from real users. > Discover which products truly live up to the hype. Start reading now. > http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click > _______________________________________________ > User-mode-linux-user mailing list > User-mode-linux-user@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/user-mode-linux-user > > ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click _______________________________________________ User-mode-linux-user mailing list User-mode-linux-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-user
