Messages in this thread | | | Subject | Re: Bus error in _very_ low memory in 2.2.1 | Date | Mon, 8 Feb 1999 09:49:09 +0200 (EET) | From | Matti Aarnio <> |
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> Hi, > > For my own enjoyment I've been playing around with 2.2.1 under _extremely_ low > memory conditions. (LILO: linux single mem=1718k) The only kernel configuration > options selected are ELF , E2FS, and basic IDE support. I do not even have > /proc selected. > > One thing that I have noticed is that even after swapon -a has completed > successfully and there is plenty of swap I get "Bus Errors" when executing > simple commands like vi. Shouldn't these just be slow and not error out like > that? I post this only in hopes that it might help someone track down a bug > occuring in a more common configuration than 1.7M ;-). I don't seem to see > these in a 2M configuration.
The SIGBUS is telling essentially that your kernel memory has run out of non-swappable resources needed to construct page tables for the started process. Start a bit more things in your 2MB system, and you will see the thing there too.
> -Steve
/Matti Aarnio <matti.aarnio@sonera.fi> -- running with 0.5GB RAM ...
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