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starting qemu: shm problem

Hi all,
I'm trying to star qemu but I have problems.

I'm using Etch and qemu 0.8.1-1

When I try to start I receive an error message stating that I have not
enough shared memory.

the mount command says:
    devshm on /dev/shm type tmpfs (rw)

If I do what qemu suggest:
    umount /dev/shm
    mount -t tmpfs -o size=144m none /dev/shm

the emulation starts correcty

Here my questions:

   1. is this the expected behaviour?
   2. where can I find documentation about shm device and temporary file
   3. how can I change the shm device?



Mirto Silvio Busico 		ICT Consultant
Tel. +39 333 4562651

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