QUESTION:
I have a customer when logged on to a x-station and he tries to
compile a program gets the message "Cannot load program xlcentry,
not enough memory". But if he telnets from this same window he
can compile the program fine, have any idea's?
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A: There have been similar problems reported in the past. The reason
that your system is unable to load the 'xlcentry' program is because
your system limits for 'data segment' size are set too low.
The 'xlcentry' program is often as large as 173 MB. If either your
hard limits (modified with the 'chuser' command) or your soft limits
(set with the 'ulimit' command) are below this value, this program
will not load, and you will be unable to compile a program.
To verify that this is the problem, immediately before attempting to
compile a program, issue the following commands. (Note: you will need
root authority to issue the 'lsuser' command.)
lsuser
ulimit -a
The value of concern is the 'data' entry indicating data segment size.
Please also note that the lsuser 'data' value is given in 512 byte
blocks and therefore should appear to be half the ulimit 'data' value
which is given in 'kbytes'.
If these values are lower than the size of the 'xlcentry' file, (which
can be determined with the 'size -f xlcentry' command) then limits are
your problem.
To correct this problem, you can simply increase the size of your user
limits. This can be accomplished with the following commands.
chuser data=524288
(does not take effect until next user login)
ulimit -d 262144
(only affects the current login session)
This should correct your customer's problem.
Your customer is able to compile normally in a telnet window because
the user limits set up in that window are somehow different. My best
guess is that your customer is using xdm. If she is, she should be
aware that current releases of xdm do not properly load and use user
limits. (Telnet sessions do not have this problem. They correctly
load user limits.)
(There is currently an APAR, IX34205, on this xdm limits problem. You
may wish to contact IBM Software Services and determine that status
of this APAR.)
If your customer is using xdm, she can correct the problem she is
experiencing by adding the 'ulimit -d 262144' line mentioned above to
her '.profile'
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This item was created from library item Q629525 CFWHZ
Additional search words:
AIXTERM AIXWINDOWS CFWHZ ENVIRONMENT IX JUN93 RISCSYSTEM RISCXWIN
SOFTWARE TELNET VERSUS
WWQA: ITEM: RTA000031474 ITEM: RTA000031474
Dated: 11/1996 Category: RISCXWIN
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