Messages in this thread | | | Date | Wed, 17 Mar 1999 15:47:40 GMT | From | "Stephen C. Tweedie" <> | Subject | Re: weird calloc problem |
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Hi,
On Tue, 9 Mar 1999 19:51:32 -0600 (EST), marco saraniti <saraniti@neumann.ece.iit.edu> said:
> I'm having a calloc problem that made me waste three weeks, at this point > I'm out of options, and I was wondering if this can be a kernel- or > MM-related problem. Furthermore, the system is a relatively big machine and > I'd like to share my experience with other people who are interested in > using Linux for number crunching.
> The problem is trivial: calloc returns a NULL, even if there is a lot > of free memory. Yes, both arguments of calloc are always > 0.
Do you have any evidence that this is a kernel problem as opposed to a user-space problem? A "ps -m" listing of the process concerned when the fault happens would be useful in pinning this down, as would a "strace" output.
--Stephen
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