Tom Ridge wrote:
I am using polyml to run hol.
From within emacs, I normally use "C-c C-r" to send a region to the
hol process. This involves emacs writing out to a tmp file, and the
hol process attempting to "use" the file back in.
After a lot of proof, I get the following error:
"Unable to allocate immutable area"
which occurs in the "use" command. Immediately after the above error,
I get the following two lines: eg
Failed to translate file: /tmp/sml26128UHN
Exception- Fail "use" raised
The result is that I can no longer use "C-c C-r" to send a file (nor,
presumably, "use" any other file).
I can still cut and paste into the hol process buffer.
What does the error mean? Can I do anything to improve things?
When Poly/ML starts up it makes a request to the operating system for
memory to allocate its heap. The size of the request is related to the
value of the '-H' option. If the request fails it produces this message
and exits. The usual cause of this is running out of swap space so it's
quite possible that simply re-running the command will work depending on
what else is running on the machine at the same time. Closing down
unnecessary processes will definitely help.
David
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