[molpro-user] gmainv1 failure

[Andy May]

Song,

I think the limit can be found in:

/proc/sys/kernel/shmmax

The standard limit appears to be 32 Mb.

Best wishes,

Andy

csong wrote:
>  Hi,
>  I have a linux machine(RHEL5 system,Intel(R) Xeon(R) CPU E5335) with 12GB of memory and I'm trying to execute a job but I can't.  The error message is the following:
> 
> Failure in attempting memory allocation of 500230002 words (3816 Mbyte)
> This error has been generated by the operating system,
> and may be the result of insufficient system memory or paging space
> In order to avoid the problem in the MOLPRO context,
> consider also reducing the requested memory through
> the MEMORY input command, or the -m command line option
> gmainv1 failure to allocate 500230002
> 
> I already had done some search for similar issues and I had found that a possible problem is the datasize limits, but the problem stills even after changing these values to unlimited. And I had update the kernel to the latest stable version(2.6.24.3), but it is also no use.
> # ulimit -a
> core file size          (blocks, -c) 0
> data seg size           (kbytes, -d) unlimited
> max nice                        (-e) 0
> file size               (blocks, -f) unlimited
> pending signals                 (-i) 106496
> max locked memory       (kbytes, -l) 32
> max memory size         (kbytes, -m) unlimited
> open files                      (-n) 1024
> pipe size            (512 bytes, -p) 8
> POSIX message queues     (bytes, -q) 819200
> max rt priority                 (-r) 0
> stack size              (kbytes, -s) 8192
> cpu time               (seconds, -t) unlimited
> max user processes              (-u) 106496
> virtual memory          (kbytes, -v) unlimited
> file locks                      (-x) unlimited
> 
> 
> Would you help me to solve it? Thanks.
> 
> Song
> 
>