-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 Herbert Volkmann wrote: > Thanks for all your help, > > I can now confirm, that if i use a MEM=256 instead of MEM=512 it works > fine without crashes when i'm producing files larger than 256M with dd! > > So I think, I have to give an entry in fstab for /dev/shm and have to > explicitly define the size of /dev/shm to an equal value as i did to > start uml linux with mem parameter. An easier way of doing this is to tell the guest which mount point to use for tmpfs storage and mount it before starting the guest: TMP_DIR=/somewhere/else linux ubda=./root_fs
That way you leave your host's /dev/shm alone for what it is meant to be used. Also saves you (security) issues with mounting it exec/noexec. Antoine > > con=pty is my new change, when i run uml linux to get messages of my > system. hope this can help other guys, which have same problems > expirienced. > > thanx & bye, > Herbert > > Am Sonntag, den 29.04.2007, 19:38 -0400 schrieb Jeff Dike: >> On Sun, Apr 29, 2007 at 11:08:59PM +0200, Blaisorblade wrote: >>> Recent uml kernels (if the console can be seen, I complained about >>> con=null) >>> display a specific error message saying that host memory was exhausted >> Not that recently - it's been there for quite a while. >> >> But even more recently, UML will dump core on a panic (rlimits >> permitting), so even if there's something crazy like con=null, you can >> gdb the core file and look at the contents of log_buf (the symbol >> table permitting). >> >> Jeff >> > > > ------------------------------------------------------------------------- > This SF.net email is sponsored by DB2 Express > Download DB2 Express C - the FREE version of DB2 express and take > control of your XML. No limits. Just data. Click to get it now. > http://sourceforge.net/powerbar/db2/ > _______________________________________________ > User-mode-linux-user mailing list > User-mode-linux-user@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/user-mode-linux-user > -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.3 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFGNiSxGK2zHPGK1rsRCpgDAJ9iAOZEtRpkTH1KqQHuMrsJzErwgwCfZYGE /dK2thS1GlIlHW8G/ZgFC5Y= =XBzg -----END PGP SIGNATURE----- ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ User-mode-linux-user mailing list User-mode-linux-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-user