On 08/05/2013 07:55, Walter Dnes wrote: > I'm running mdev, so that may be related. Here's my story... a script > I run to automatically process digital photos started blowing up on me. > After much bashing of head against brick wall, I determined that > /dev/shm now has an absolute max size of 10 megabytes! Any larger files > could not be written to it. Here's all the uncommented stuff in /etc/fstab > > > /dev/sda5 / ext2 noatime,nodiratime,async 0 1 > /dev/sda7 /home reiserfs noatime,nodiratime,async,notail 0 1 > /home/bindmounts/opt /opt auto bind 0 0 > /home/bindmounts/var /var auto bind 0 0 > /home/bindmounts/usr /usr auto bind 0 0 > /home/bindmounts/tmp /tmp auto bind 0 0 > /dev/sda6 none swap sw 0 0 > /dev/cdrom /mnt/cdrom iso9660 noauto,users,ro 0 0 > /dev/sr0 /mnt/dvd auto noauto,users,ro 0 0 > devpts /dev/pts devpts defaults 0 0 > none /dev/shm tmpfs rw,noatime,noexec,nosuid,nodev 0 0 > > Meanwhile, my netbook, with the /dev/shm line commented out, runs just > fine and handles large files in /dev/shm. I followed the example at > http://wiki.gentoo.org/wiki/Complete_Handbook/Configuring_the_system > with slightly more paranoid settings, e.g. noexec. What gives? >
a tmpfs defaults to half ram size. If yours is 10M, then quite obviously you run some code somewhere that does it different :-) You could go through the effort of tracking down why. Unless this is a default behaviour of mdev which needs debugging, pathcing and fixing, I don't think you should spend any brain cycles on this, just add this to the mount options size=50% -- Alan McKinnon alan.mckin...@gmail.com
